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词条 List of asteroid close approaches to Earth in 2018
释义

  1. {{anchor|List}} Timeline of known close approaches less than one lunar distance from Earth

      Notes  

  2. Timeline of close approaches less than one lunar distance from the Moon

      Notes  

  3. Additional examples

  4. Statistics

  5. Virtual Impactors

     Notes 

  6. See also

  7. References

  8. External links

Time of discovery of asteroids which came closer to Earth than the moon in 2018
{{#invoke:Chartpie chartradius = 125background = lightgrayslices =
    ( 54 : After closest approach  : red )     ( 11 : < 24 hours before   : yellow )     ( 26 : up to 7 days before : lightgrey )    (  0 : > one week before   : green )    (  2 : > one year before   : blue )
percent = true

Below is the list of asteroid close approaches to Earth in 2018.

{{anchor|List}} Timeline of known close approaches less than one lunar distance from Earth

A list of known near-Earth asteroid close approaches less than 1 lunar distance ({{convert|0.0025696|AU|km mi|abbr=on}}) from Earth in 2018.[1]

For reference, the radius of Earth is approximately {{convert|0.0000426|AU|km mi|abbr=on}} or 0.0166 lunar distances.
Geosynchronous satellites have an orbit with semi-major axis length of {{convert|0.000282|AU|km mi|abbr=on}} or 0.110 lunar distances. Eight known asteroids (2018 BD, A106fgF, 2018 LA, A107j4p, {{mpl|2018 PD|20}}, 2018 UA, {{mp|2018 WG|}}, and {{mp|2018 WV|1}}) are confirmed to have passed within this distance, and poorly-observed asteroids ZB0A262, {{mp|2018 DN|4}}, ZGBE54F, A1080DC {{mp|2018 VQ|10}}, ZW87F01, and ZW900BE may have also passed within this distance.

While most asteroids on this list are confirmed, well-observed unconfirmed objects with a 50% or greater chance of passing within 1 LD of the Earth are included as well.

{{legend2|#ff9999|border=1px solid #ff9999|Rows highlighted red indicate objects which were not discovered until after closest approach}}{{legend2|#ffff99|border=1px solid #ffff99|Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach}}{{legend2|#99ff99|border=1px solid #99ff99|Rows highlighted green indicate objects discovered more than one week before closest approach}}{{legend2|#79d8ff|border=1px solid #79d8ff|Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)}}
Date of
closest
approach		 Date
discovered		ObjectNominal geocentric
distance (AU)[2]		Nominal geocentric
distance (LD)		Size (m)
(approximate)		 (H)
(abs. mag)		 Closer
approach
to Moon		Refs
2018-01-02 2018-01-04 2018 AH 0.00199|AU|km mi|abbr=on|lk=on}}0.77[3]84–19022.5—2018+AH|cad=data}}{{·}}{{MPC|2018+AH|2018 AH}}
2018-01-15 2018-01-17 2018 BW 0.00112|AU|km mi|abbr=on}}0.436–1428.1—2018+BW|cad=data}}{{·}}{{MPC|2018+BW|2018 BW}}
2018-01-16 2018-01-17 2018 BR|1}}0.000877|AU|km mi|abbr=on}}0.343–829.5—2018+BR1|cad=data}}{{·}}{{MPC|2018+BR1|{{mp|2018 BR|1}}}}
2018-01-18 2018-01-18 2018 BD 0.000262|AU|km mi|abbr=on}}0.102–630.1—2018+BD|cad=data}}{{·}}{{MPC|2018+BD|2018 BD}}
2018-01-19 2018-01-20 {{mpl>2018 BF|3}}0.00162|AU|km mi|abbr=on}}0.6317–3826.0—2018+BF3|cad=data}}{{·}}{{MPC|2018+BF3|{{mp|2018 BF|3}}}}
2018-01-19 2018-01-17 2018 BC 0.00189|AU|km mi|abbr=on}}0.733–929.4—2018+BC|cad=data}}{{·}}{{MPC|2018+BC|2018 BC}}
2018-01-19 2018-01-18 2018 BX 0.00188|AU|km mi|abbr=on}}0.734–929.1—2018+BX|cad=data}}{{·}}{{MPC|2018+BX|2018 BX}}
2018-01-20 2018-01-24 2018 BL|11}}0.00203|AU|km mi|abbr=on}}0.795–1328.3{{Marked}}2018+BL11|cad=data}}{{·}}{{MPC|2018+BL11|{{mp|2018 BL|11}}}}
2018-01-22 2018-01-22 A106fgF Impact? 0.0011[4]2–530.6— [https://archive.is/ypyEA Src]
2018-01-24 2018-01-27 2018 BN|6}}0.00242|AU|km mi|abbr=on}}0.9412–2626.8—2018+BN6|cad=data}}{{·}}{{MPC|2018+BN6|{{mp|2018 BN|6}}}}
2018-01-25 2018-01-26 ZB0A262 0.000401|AU|km mi|abbr=on}}0.16[5]2–530.6— [https://archive.is/G3zOu Src]
2018-02-04 2018-02-07 2018 CS|1}}0.00230|AU|km mi|abbr=on}}0.906–1428.2—2018+CS1|cad=data}}{{·}}{{MPC|2018+CS1|{{mp|2018 CS|1}}}}
2018-02-06 2018-02-07 {{mpl>2018 CF|2}}0.000650|AU|km mi|abbr=on}}0.256–1528.0—2018+CF2|cad=data}}{{·}}{{MPC|2018+CF2|{{mp|2018 CF|2}}}}
2018-02-06 2018-02-04 2018 CC 0.00126|AU|km mi|abbr=on}}0.4913–2826.6—2018+CC|cad=data}}{{·}}{{MPC|2018+CC|2018 CC}}
2018-02-09 2018-02-08 {{mpl>2018 CN|2}}0.000467|AU|km mi|abbr=on}}0.187–1627.8—2018+CN2|cad=data}}{{·}}{{MPC|2018+CN2|{{mp|2018 CN|2}}}}
2018-02-09 2018-02-04 2018 CB 0.000466|AU|km mi|abbr=on}}0.1818–3925.9—2018+CB|cad=data}}{{·}}{{MPC|2018+CB|2018 CB}}
2018-02-16 2018-02-10 2018 CD|3}}0.00237|AU|km mi|abbr=on}}0.925–1128.6—2018+CD3|cad=data}}{{·}}{{MPC|2018+CD3|{{mp|2018 CD|3}}}}
2018-02-21 2018-02-22 2018 DQ 0.000670|AU|km mi|abbr=on}}0.264–929.1—2018+DQ|cad=data}}{{·}}{{MPC|2018+DQ|2018 DQ}}
2018-02-24 2018-02-26 2018 DN|4}}0.00141|AU|km mi|abbr=on}}0.55[6]5–1228.4?2018+DN4|cad=data}}{{·}}{{MPC|2018+DN4|{{mp|2018 DN|4}}}}
2018-02-25 2018-02-23 2018 DU 0.00190|AU|km mi|abbr=on}}0.745–1328.3—2018+DU|cad=data}}{{·}}{{MPC|2018+DU|2018 DU}}
2018-03-02 2018-02-26 {{mpl>2018 DV|1}}0.000748|AU|km mi|abbr=on}}0.295–1228.4—2018+DV1|cad=data}}{{·}}{{MPC|2018+DV1|{{mp|2018 DV|1}}}}
2018-03-14 2018-03-12 2018 EZ|2}}0.00144|AU|km mi|abbr=on}}0.5613–2826.6{{Marked}}2018+EZ2|cad=data}}{{·}}{{MPC|2018+EZ2|{{mp|2018 EZ|2}}}}
2018-03-17 2018-03-19 2018 FL|29}}0.00148|AU|km mi|abbr=on}}0.582–630.1—2018+FL29|cad=data}}{{·}}{{MPC|2018+FL29|{{mp|2018 FL|29}}}}
2018-03-18 2018-03-21 2018 FE|3}}0.000979|AU|km mi|abbr=on}}0.389–2227.2—2018+FE3|cad=data}}{{·}}{{MPC|2018+FE3|{{mp|2018 FE|3}}}}
2018-03-19 2018-03-20 2018 FQ|3}}0.00187|AU|km mi|abbr=on}}0.735–1128.6—2018+FQ3|cad=data}}{{·}}{{MPC|2018+FQ3|{{mp|2018 FQ|3}}}}
2018-03-23 2018-03-21 2018 FZ|3}}0.00129|AU|km mi|abbr=on}}0.508–1827.6—2018+FZ3|cad=data}}{{·}}{{MPC|2018+FZ3|{{mp|2018 FZ|3}}}}
2018-03-30 2018-03-28 2018 FK|5}}0.00100|AU|km mi|abbr=on}}0.395–1328.3—2018+FK5|cad=data}}{{·}}{{MPC|2018+FK5|{{mp|2018 FK|5}}}}
2018-04-07 2018-04-11 2018 GR|11}}0.00177|AU|km mi|abbr=on}}0.696–1228.5—2018+GR11|cad=data}}{{·}}{{MPC|2018+GR11|{{mp|2018 GR|11}}}}
2018-04-10 2008-04-13 2008 GY|21}} aka
{{mp|2018 GY|3}}		0.00201|AU|km mi|abbr=on}}0.788–1827.6—2008+GY21|cad=data}}{{·}}{{MPC|2008+GY21|{{mp|2008 GY|21}}}}
2018-04-12 2018-04-13 ZGBE54F 0.000469|AU|km mi|abbr=on}}0.18[7]2–730.0— [https://archive.li/NCraA Src]
2018-04-12 2018-04-11 2018 GD|2}}0.00201|AU|km mi|abbr=on}}0.783–829.4—2018+GD2|cad=data}}{{·}}{{MPC|2018+GD2|{{mp|2018 GD|2}}}}
2018-04-15 2018-04-14 {{mpl>2018 GE|3}}0.00129|AU|km mi|abbr=on}}0.5046–10023.8{{Marked}}2018+GE3|cad=data}}{{·}}{{MPC|2018+GE3|{{mp|2018 GE|3}}}}
2018-04-21 2018-04-23 2018 HW|1}}0.00229|AU|km mi|abbr=on}}0.8918–4125.8—2018+HW1|cad=data}}{{·}}{{MPC|2018+HW1|{{mp|2018 HW|1}}}}
2018-04-22 2018-04-21 2018 HV 0.00103|AU|km mi|abbr=on}}0.404–1028.9—2018+HV|cad=data}}{{·}}{{MPC|2018+HV|2018 HV}}
2018-05-16 2010-11-30 {{mpl>2010 WC|9}}0.00136|AU|km mi|abbr=on}}0.5351–11023.6—2010+WC9|cad=data}}{{·}}{{MPC|2010+WC9|{{mp|2010 WC|9}}}}
2018-05-23 2018-05-22 2018 KW|1}}0.000997|AU|km mi|abbr=on}}0.393–729.7—2018+KW1|cad=data}}{{·}}{{MPC|2018+KW1|{{mp|2018 KW|1}}}}
2018-05-26 2018-05-24 2018 KY|2}}0.00200|AU|km mi|abbr=on}}0.789–2227.2—2018+KY2|cad=data}}{{·}}{{MPC|2018+KY2|{{mp|2018 KY|2}}}}
2018-06-02 2018-06-02 2018 LA {{convert>0.0000334|AU|km mi|abbr=on}}
(Impact)		0.0130
(Impact)[8]		2–330.5—2018+LA|cad=data}}{{·}}{{MPC|2018+LA|2018 LA}}
2018-06-15 2018-06-11 2018 LV|3}}0.00221|AU|km mi|abbr=on}}0.8613–3026.5—2018+LV3|cad=data}}{{·}}{{MPC|2018+LV3|{{mp|2018 LV|3}}}}
2018-06-16 2018-06-17 2018 MZ|4}}0.00139|AU|km mi|abbr=on}}0.544–1028.8{{Marked}}2018+MZ4|cad=data}}{{·}}{{MPC|2018+MZ4|{{mp|2018 MZ|4}}}}
2018-06-17 2018-06-17 A107j4p 0.000206|AU|km mi|abbr=on}}0.080[9]4–1128.9— [https://archive.is/CA2w3 Src]{{·}}[https://twitter.com/tony873004/status/1008919734010576897 diagram]
2018-06-23 2018-06-24 A107pL2 0.000525|AU|km mi|abbr=on}}0.20[10]3–929.5— [https://archive.li/ucNlB Src]
2018-07-04 2018-07-05 ZN2E090 0.00132|AU|km mi|abbr=on}}0.51[11]4–1228.8— [https://archive.fo/0DGfu Src]
2018-07-07 2018-07-08 2018 NX 0.000783|AU|km mi|abbr=on}}0.307–1727.7—2018+NX|cad=data}}{{·}}{{MPC|2018+NX|2018 NX}}
2018-07-08 2018-07-08 2018 NW 0.000833|AU|km mi|abbr=on}}0.327–1627.8—2018+NW|cad=data}}{{·}}{{MPC|2018+NW|2018 NW}}
2018-08-10 2018-08-11 {{mpl>2018 PD|20}}0.000224|AU|km mi|abbr=on}}0.0878–2027.4—2018+PD20|cad=data}}{{·}}{{MPC|2018+PD20|{{mp|2018 PD|20}}}}
2018-08-12 2018-08-13 A1080DC 0.000284|AU|km mi|abbr=on}}0.11[12]1–431.3— [https://archive.fo/M7XJF Src]
2018-08-21 2018-08-21 2018 QR|1}}0.000592|AU|km mi|abbr=on}}0.238–2027.4—2018+QR1|cad=data}}{{·}}{{MPC|2018+QR1|{{mp|2018 QR|1}}}}
2018-09-03 2018-09-07 2018 RR|1}}0.00243|AU|km mi|abbr=on}}0.942–629.9—2018+RC1|cad=data}}{{·}}{{MPC|2018+RR1|{{mp|2018 RR|1}}}}
2018-09-05 2018-09-06 2018 RS 0.000710|AU|km mi|abbr=on}}0.282–930.0—2018+RS|cad=data}}{{·}}{{MPC|2018+RS|2018 RS}}
2018-09-06 2018-09-07 2018 RE|2}}0.00255|AU|km mi|abbr=on}}0.9915–1228.5—2018+RE2|cad=data}}{{·}}{{MPC|2018+RE2|{{mp|2018 RE|2}}}}
2018-09-07 2018-09-09 2018 RJ|3}}0.00112|AU|km mi|abbr=on}}0.447–1627.8—2018+RJ3|cad=data}}{{·}}{{MPC|2018+RJ3|{{mp|2018 RJ|3}}}}
2018-09-08 2018-09-07 2018 RW 0.00114|AU|km mi|abbr=on}}0.442–530.3—2018+RW|cad=data}}{{·}}{{MPC|2018+RW|2018 RW}}
2018-09-09 2018-09-03 2018 RC 0.00150|AU|km mi|abbr=on}}0.5828–6324.9—2018+RC|cad=data}}{{·}}{{MPC|2018+RC|2018 RC}}
2018-09-12 2018-09-13 2018 RY|5}}0.00120|AU|km mi|abbr=on}}0.4710–3626.5—2018+RY5|cad=data}}{{·}}{{MPC|2018+RY5|{{mp|2018 RY|5}}}}
2018-09-12 2018-09-13 2018 RZ|5}}0.000331|AU|km mi|abbr=on}}0.132–829.7—2018+RZ5|cad=data}}{{·}}{{MPC|2018+RZ5|{{mp|2018 RZ|5}}}}
2018-09-15 2018-09-16 2018 SM 0.000285|AU|km mi|abbr=on}}0.113–929.4—2018+SM|cad=data}}{{·}}{{MPC|2018+SM|2018 SM}}
2018-09-16 2018-09-18 2018 SN|3}}0.00131|AU|km mi|abbr=on}}0.512–729.9—2018+SN3|cad=data}}{{·}}{{MPC|2018+SN3|{{mp|2018 SN|3}}}}
2018-09-18 2018-09-17 2018 SC 0.00179|AU|km mi|abbr=on}}0.705–1927.9—2018+SC|cad=data}}{{·}}{{MPC|2018+SC|2018 SC}}
2018-09-25 2018-09-21 2018 SD|2}}0.000587|AU|km mi|abbr=on}}0.234–1228.6—2018+SD2|cad=data}}{{·}}{{MPC|2018+SD2|{{mp|2018 SD|2}}}}
2018-09-30 2018-10-02 2018 TC 0.00204|AU|km mi|abbr=on}}0.7910–3126.6—2018+TC|cad=data}}{{·}}{{MPC|2018+TC|2018 TC}}
2018-10-06 2018-10-05 2018 TV|5}}0.000682|AU|km mi|abbr=on}}0.273–929.5—2018+TV5|cad=data}}{{·}}{{MPC|2018+TV5|{{mp|2018 TV|5}}}}
2018-10-06 2018-10-06 ZTF01Z9 0.00170|AU|km mi|abbr=on}}0.66[13]4–1228.8— [https://archive.fo/742fW Src]
2018-10-07 2018-10-05 2018 TV 0.00190|AU|km mi|abbr=on}}0.744–1328.6—2018+TV|cad=data}}{{·}}{{MPC|2018+TV|2018 TV}}
2018-10-17 2018-10-18 2018 UL 0.00148|AU|km mi|abbr=on}}0.573–1129.1{{Marked}}2018+UL|cad=data}}{{·}}{{MPC|2018+UL|2018 UL}}
2018-10-19 2018-10-19 2018 UA 0.0000914|AU|km mi|abbr=on}}0.0362–630.2—2018+UA|cad=data}}{{·}}{{MPC|2018+UA|2018 UA}}
2018-11-01 2018-11-01 2018 VQ|10}}0.000276|AU|km mi|abbr=on}}0.11[14]2–530.6— [https://archive.is/zmqen Temp. src]
2018-11-02 2018-11-03 2018 VP|1}}0.00101|AU|km mi|abbr=on}}0.391–530.8—2018+VP1|cad=data}}{{·}}{{MPC|2018+VP1|{{mp|2018 VP|1}}}}
2018-11-05 2018-11-08 2018 VT|5}}0.00123|AU|km mi|abbr=on}}0.484–1628.3—2018+VT5|cad=data}}{{·}}{{MPC|2018+VT5|{{mp|2018 VT|5}}}}
2018-11-06 2018-11-07 2018 VO|5}}0.000942|AU|km mi|abbr=on}}0.379–3326.7—2018+VO5|cad=data}}{{·}}{{MPC|2018+VO5|{{mp|2018 VO|5}}}}
2018-11-07 2018-11-10 ZV33FBC 0.00146|AU|km mi|abbr=on}}0.57[15]9–2826.9? [https://archive.fo/CKFtS Src]
2018-11-10 2018-11-04 2018 VX|1}} aka
{{mp|2018 VA|6}}		0.00255|AU|km mi|abbr=on}}0.9946–2227.5—2018+VX1|cad=data}}{{·}}{{MPC|2018+VX1|{{mp|2018 VX|1}}}}
2018-11-11 2018-11-11 2018 VS|10}}0.00103|AU|km mi|abbr=on}}0.403–1029.1— [https://archive.fo/ROTYF Temp. src]
2018-11-13 2018-11-10 2018 VC|7}}0.00224|AU|km mi|abbr=on}}0.877–2327.4—2018+VC7|cad=data}}{{·}}{{MPC|2018+VC7|{{mp|2018 VC|7}}}}
2018-11-13 2018-11-16 2018 WA|1}}0.00168|AU|km mi|abbr=on}}0.652–730.0—2018+WA1|cad=data}}{{·}}{{MPC|2018+WA1|{{mp|2018 WA|1}}}}
2018-11-14 2018-11-15 2018 VJ|10}}0.00133|AU|km mi|abbr=on}}0.524–1228.6{{Marked}}2018+VJ10|cad=data}}{{·}}{{MPC|2018+VJ10|{{mp|2018 VJ|10}}}}
2018-11-15 2018-11-17 ZW84BCD 0.000845|AU|km mi|abbr=on}}0.33[16]2–730.0— [https://archive.fo/9O8dp Src]
2018-11-16 2018-11-17 ZW87F01 0.000594|AU|km mi|abbr=on}}0.23[17]1–232.3— [https://archive.fo/B53ow Src]
2018-11-16 2018-11-17 2018 WH 0.00127|AU|km mi|abbr=on}}0.502–829.8—2018+WH|cad=data}}{{·}}{{MPC|2018+WH|2018 WH}}
2018-11-16 2018-11-17 2018 WG 0.000206|AU|km mi|abbr=on}}0.0803–1029.3—2018+WG|cad=data}}{{·}}{{MPC|2018+WG|2018 WG}}
2018-11-18 2018-11-17 2018 WE 0.00160|AU|km mi|abbr=on}}0.624–1628.3{{Marked}}2018+WE|cad=data}}{{·}}{{MPC|2018+WE|2018 WE}}
2018-11-19 2018-11-17 2018 WJ 0.000794|AU|km mi|abbr=on}}0.316–2627.5—2018+WJ|cad=data}}{{·}}{{MPC|2018+WJ|2018 WJ}}
2018-11-25 2018-11-26 2018 WE|1}}0.000715|AU|km mi|abbr=on}}0.2812–5126.0—2018+WE1|cad=data}}{{·}}{{MPC|2018+WE1|{{mp|2018 WE|1}}}}
2018-11-27 2018-11-28 2018 WZ|1}}0.000729|AU|km mi|abbr=on}}0.283–929.4—2018+WZ1|cad=data}}{{·}}{{MPC|2018+WZ1|{{mp|2018 WZ|1}}}}
2018-11-28 2018-11-29 2018 WA|3}}0.00216|AU|km mi|abbr=on}}0.845–2027.8—2018+WA3|cad=data}}{{·}}{{MPC|2018+WA3|{{mp|2018 WA|3}}}}
2018-11-28 2018-11-29 ZW900BE 0.000224|AU|km mi|abbr=on}}0.087[18]1–431.2— [https://archive.fo/yaHs5 Src]
2018-11-30 2018-11-29 2018 WG|2}}0.00134|AU|km mi|abbr=on}}0.522–730.1—2018+WG2|cad=data}}{{·}}{{MPC|2018+WG2|{{mp|2018 WG|2}}}}
2018-12-02 2018-11-29 2018 WV|1}}0.000221|AU|km mi|abbr=on}}0.0862–630.2—2018+WV1|cad=data}}{{·}}{{MPC|2018+WV1|{{mp|2018 WV|1}}}}
2018-12-11 2018-12-13 2018 XA|4}}0.00249|AU|km mi|abbr=on}}0.973–1129.1{{Marked}}2018+XA4|cad=data}}{{·}}{{MPC|2018+XA4|{{mp|2018 XA|4}}}}
2018-12-27 2018-12-28 2018 YL|2}}0.000398|AU|km mi|abbr=on}}0.153–1029.3—2018+YL2|cad=data}}{{·}}{{MPC|2018+YL2|{{mp|2018 YL|2}}}}
2018-12-28 2018-12-29 2018 YO|2}}0.00131|AU|km mi|abbr=on}}0.512–629.8—2018+YO2|cad=data}}{{·}}{{MPC|2018+YO2|{{mp|2018 YO|2}}}}
2018-12-28 2019-01-03 2019 AW|2}}0.00110|AU|km mi|abbr=on}}0.4322–6925.1—2019+AW2|cad=data}}{{·}}{{MPC|2019+AW2|{{mp|2019 AW|2}}}}
2018-12-30 2018-12-31 2018 YJ|4}}0.000725|AU|km mi|abbr=on}}0.282–729.8— [https://archive.fo/MNEfk Temp. src]

Notes

1. ^For a list of current Earth close approaches see NEO Earth Close Approaches
2. ^Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km.
3. ^Largest known asteroid to pass so close to Earth since {{mpl|2002 JE|9}} in 1971.
4. ^distance error: 0.0000107 AU, approach range: 0 to 0.0052 LD. Assuming the observations were not made in error, it is relatively likely (~9%) this asteroid hit the Earth [https://www.projectpluto.com/temp/A106fgF.png (Impact path)]. However, there was no record of an impact reported, so if it did indeed impact Earth, it was likely in an uninhabited region or in the Pacific ocean. (The further west in the impact path, the larger the asteroid would be. If it hit west of Africa or in the Indian ocean, it would have been several meters across and have been recorded.) The asteroid is unconfirmed and will likely never receive a provisional designation.
5. ^distance error: 0.000305 AU, approach range: 0.037 to 0.27 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
6. ^{{val|0.00141|0.00156|0.00137}} AU, approach range: 0.018 to 1.157 LD. There is no chance that it impacted Earth, as the minimum distance (0.018 LD) is still roughly 410 kilometers above Earth's surface.
7. ^distance error: 0.000347 AU, approach range: 0.047 to 0.32 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
8. ^2018 LA was estimated to have an 82% chance of impacting Earth somewhere between the central Pacific ocean and Africa ([https://projectpluto.com/temp/z.png Impact path]). Several reports have come from South Africa and Botswana confirming that it did indeed impact in central Africa
9. ^distance error: 0.00000608 AU, approach range: 0.078 to 0.082 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
10. ^distance error: 0.000184 AU, approach range: 0.13 to 0.28 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
11. ^distance error: 0.000296 AU, approach range: 0.40 to 0.63 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
12. ^distance error: 0.0000651 AU, approach range: 0.085 to 0.136 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
13. ^distance error: 0.000600 AU, approach range: 0.43 to 0.89 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
14. ^distance error: 0.0000181 AU, approach range: 0.100 to 0.115 LD.
15. ^distance error: 0.000982 AU, approach range: 0.19 to 0.95 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
16. ^distance error: 0.0000114 AU, approach range: 0.325 to 0.333 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
17. ^distance error: 0.000583 AU, approach range: 0.017 to 0.46 LD. The asteroid is unconfirmed and will likely never receive a provisional designation. There is no chance of impact as the asteroid was discovered after its closest approach.
18. ^distance error: 0.000165 AU, approach range: 0.023 to 0.152 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
19. ^Distance from the center of the Moon to the center of the object. The Moon has a radius of approximately 1,740 km.
20. ^distance error: 0.000633 AU, approach range: 0.33 to 0.82 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
21. ^{{val|0.00128|0.00123|0.000241|}} AU. Approach range: 0.41 to 0.98 LD.
22. ^distance error: 0.00000167 AU, approach range: 0.9942 to 0.9955 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
23. ^distance error: 0.000198 AU, approach range: 0.73 to 0.89 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
24. ^distance error: 0.000194 AU, approach range: 0.58 to 0.73 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
25. ^distance error: Unknown, Approach range: Unknown. The asteroid is unconfirmed and will likely never receive a provisional designation.
26. ^distance error: 0.000390 AU, approach range: 0.42 to 0.72 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
27. ^distance error: 0.000506 AU, approach range: 0.56 to 0.95 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
28. ^distance error: 0.0000329 AU, approach range: 0.943 to 0.968 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
29. ^distance error: 0.0000552 AU, approach range: 0.972 to 1.015 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
30. ^https://www.cnet.com/news/skyscraper-size-dead-comet-asteroid-2017-ye5-to-pass-earth-this-week/
31. ^1 2 3 {{cite web |title=2005TM173 Ephemerides for December 2018 |url=http://newton.dm.unipi.it/neodys/index.php?pc=1.1.3.1&n=2005TM173&oc=500&y0=2018&m0=12&d0=10&h0=0&mi0=0&y1=2018&m1=12&d1=25&h1=0&mi1=0&ti=1.0&tiu=days }}
32. ^This is a measurement of how far off of the "best fit" orbit the asteroid would have to have for it to hit at this time. Further values from 0 mean that the measured positions of the asteroid used to calculate its orbit would need to be highly inaccurate for it to hit Earth. For reference, 1.0/-1.0=31.7% odds the observations would be this inaccurate, 2.0/-2.0=4.6% odds, 3.0/-3.0=0.27% odds.
33. ^1 2 3 {{cite web |url=https://archive.is/Mw392 |title=Sentry: 2011 CF66 (archived) |type=computed on 2017-04-07}}
34. ^{{mp|2011 CF|66}} has a cumulative probability of 1 in 38,900,000 (Palermo scale -7.16) of impacting Earth in 2018.
35. ^1 2 3 4 5 {{cite web |url=https://archive.is/evBOE |title=Sentry: 2008 EL68 (archived) |type=computed on 2017-04-09}}
36. ^{{mp|2008 EL|68}} has a cumulative probability of 1 in 1,200,000 (Palermo scale -5.81) of impacting Earth in 2018.
37. ^1 2 3 4 5 {{cite web |url=https://archive.is/gneQA |title=Sentry: 2009 VZ39 (archived) |type=computed on 2017-04-09}}
38. ^{{mp|2009 VZ|39}} has a cumulative probability of 1 in 13,600,000 (Palermo scale -6.89) of impacting earth in 2018.
39. ^1 2 3 {{cite web |url=https://archive.is/yc3hV |title=Sentry: 2015 HV182 (archived) |type=computed on 2017-04-06}}
40. ^{{mp|2015 HV|182}} has a cumulative probability of 1 in 239,000,000 (Palermo scale -5.10) of impacting Earth in 2018.
41. ^{{cite web |url=https://archive.is/8jYJG |title=Sentry: 2008 JD33 (archived) |type=computed on 2017-04-06}}
42. ^{{cite web |url=https://archive.is/3H7OV |title=Sentry: 2008 EK68 (archived) |type=computed on 2017-04-06}}
43. ^{{cite web |url=https://archive.is/kUpei |title=Sentry: 2005 ED224 (archived) |type=computed on 2017-04-07}}
44. ^1 2 3 4 5 6 7 8 {{cite web |url=https://archive.is/i5lIs |title=Sentry: 2008 EM68 (archived) |type=computed on 2017-04-07}}
45. ^{{mp|2008 EM|68}} has a cumulative probability of 1 in 3,100,000 (Palermo scale -6.04) of impacting Earth in 2018.
46. ^{{cite web |url=https://archive.is/uxcUQ |title=Sentry: 2014 OY391 (archived) |type=computed on 2017-04-08}}
47. ^{{cite web |url=https://archive.is/tKq71 |title=Sentry: 2014 MV67 (archived) |type=computed on 2017-04-06}}
48. ^1 {{cite web |url=https://archive.is/rhTFZ |title=Sentry: 2014 HG196 (archived) |type=computed on 2017-04-08}}
49. ^{{mp|2014 HG|196}} has a cumulative probability of 1 in 268,000,000 (Palermo scale -7.64) of impacting Earth in 2018.
50. ^1 2 3 {{cite web |url=https://archive.is/igsUG |title=Sentry: 2016 AZ193 (archived) |type=computed on 2017-04-06}}
51. ^{{mp|2016 AZ|193}} has a cumulative probability of 1 in 61,300,000 (Palermo scale -6.76) of impacting Earth in 2018.
52. ^{{cite web |url=https://archive.is/1FwGJ |title=Sentry: 2008 US (archived) |type=computed on 2017-04-07}}
53. ^1 2 3 4 5 {{cite web |url=https://cneos.jpl.nasa.gov/fireballs/ |title=CNEOS Fireball and Bolide Data}}
54. ^{{cite web |url=https://archive.is/U7Y84 |title=Sentry: 2008 UY91 (archived) |type=computed on 2017-04-07}}
55. ^{{cite web |url=https://archive.is/BB3MM |title=Sentry: 2014 HD198 (archived) |type=computed on 2017-04-07}}
56. ^{{cite web |url=https://archive.is/rH2aA |title=Sentry: 2008 LE (archived) |type=computed on 2017-04-07}}
57. ^1 2 {{cite web |url=https://archive.is/qSgOe |title=Sentry: 2008 VS4 (archived) |type=computed on 2017-04-08}}
58. ^{{mp|2008 VS|4}} has a cumulative probability of 1 in 339,000,000 (Palermo scale -6.54) of impacting Earth in 2018.
59. ^1 2 {{cite web |url=https://archive.is/lcrcW |title=Sentry: 2014 LY21 (archived) |type=computed on 2017-04-08}}
60. ^{{mp|2014 LY|21}} has a cumulative probability of 1 in 384,000 (Palermo scale -5.53) of impacting Earth in 2018.
61. ^{{cite web |url=https://archive.is/ItmN2 |title=Sentry: 2015 ME131 (archived) |type=computed on 2017-04-08}}
62. ^{{cite web |url=https://archive.is/0WoNo |title=Sentry: 2015 HW182 (archived) |type=computed on 2017-04-08}}
63. ^{{cite web |url=https://archive.is/7qpoR |title=Sentry: 2015 HS182 (archived) |type=computed on 2017-04-08}}
64. ^{{cite web |url=https://archive.is/gRYEL |title=Sentry: 2009 FZ4 (archived) |type=computed on 2017-04-07}}
65. ^{{cite web |url=https://archive.is/E79vY |title=Sentry: 2016 JO38 (archived) |type=computed on 2017-04-07}}
66. ^{{cite web |url=https://archive.is/XV5vW |title=Sentry: 2008 UM1 (archived) |type=computed on 2017-04-07}}
67. ^1 2 {{cite web |url=https://archive.is/ut1wv |title=Sentry: 2014 HR197 (archived) |type=computed on 2017-04-09}}
68. ^{{mp|2014 HR|197}} has a cumulative probability of 1 in 385,000,000 (Palermo scale -7.74) of impacting Earth in 2018.
69. ^{{cite web |url=https://archive.is/txOvX |title=Sentry: 2008 VL (archived) |type=computed on 2017-04-08}}
70. ^1 {{cite web |url=https://archive.is/0a2VO |title=Sentry: 2010 VP139 (archived) |type=computed on 2017-04-07}}
71. ^{{mp|2010 VP|139}} has a cumulative probability of 1 in 54,000,000 (Palermo scale -8.24) of impacting earth in 2018.
72. ^{{cite web |url=https://archive.is/3elqQ |title=Sentry: 2010 XC (archived) |type=computed on 2017-04-07}}
73. ^1 2 {{cite web |url=https://archive.is/xzrKn |title=Sentry: 2005 TM173 (archived) |type=computed on 2017-04-08}}
74. ^{{mp|2005 TM|173}} has a cumulative probability of 1 in 336,000,000 (Palermo scale -6.50) of impacting earth in 2018.
75. ^{{cite web |url=https://archive.is/ZcbbH |title=Sentry: 2010 WW8 (archived) |type=computed on 2017-04-09}}
76. ^1 2 3 {{cite web |url=https://archive.is/vnWpb |title=Sentry: 2014 JT79 (archived) |type=computed on 2017-04-06}}
77. ^{{mp|2014 JT|79}} has a cumulative probability of 1 in 46,300,000 (Palermo scale -7.08) of impacting Earth in 2018.
78. ^{{cite web |url=https://archive.is/RZs6g |title=Sentry: 2010 GZ60 (archived) |type=computed on 2017-04-18}}
79. ^{{mp|2010 GZ|60}} was ruled out as a potential impactor after another observation was found by NEOWISE, improving the orbit enough to determine that it is not a near-earth object
80. ^{{cite web |url=https://archive.is/1Ktya |title=Sentry: 2010 MY112 (archived) |type=computed on 2017-04-08}}
81. ^{{cite web |url=https://archive.is/DH4TS |title=Sentry: 2013 YB (archived) |type=computed on 2017-04-08}}

Timeline of close approaches less than one lunar distance from the Moon

The number of asteroids listed here are significantly less than those of asteroids that approach Earth for several reasons. Asteroids that approach Earth not only move faster, but are brighter and are easier to detect with modern surveys because:

  • Asteroids that come closer to Earth are a higher priority to confirm, and only confirmed asteroids are listed with a lunocentric approach distance.
  • Those that closely approach the Moon are frequently lost in its glare, making them harder to confirm. They are similarly hard to discover during the new moon, when the Moon is too close to the Sun to detect asteroids while they are near the Moon.

These factors severely limit the amount of Moon-approaching asteroids, to a level many times lower than the asteroids detected passing as close to Earth.

Date of
closest
approach		ObjectNominal lunocentric
distance (AU)[19]		 Nominal lunocentric
distance (LD)		Size (m)
(approximate)		 (H)
approach
distance
to Earth
(LD)		 Refs
2018-01-15 2018 BW {{convert|0.00212|AU|km mi|abbr=on|lk=on}}0.825–1728.10.432018+BW|cad=data}}{{·}}{{JPL|2018+BW|2018 BW}}
2018-01-19 2018 BD {{convert|0.00123|AU|km mi|abbr=on}}0.482–630.20.102018+BD|cad=data}}{{·}}{{JPL|2018+BD|2018 BD}}
2018-01-20 2018 BL|11}}{{convert|0.00186|AU|km mi|abbr=on}}0.725–1528.30.792018+BL11|cad=data}}{{·}}{{JPL|2018+BL11|{{mp|2018 BL|11}}}}
2018-01-24 ZB0A262 {{convert|0.00148|AU|km mi|abbr=on}}0.57[20]2–530.60.16 [https://archive.is/G3zOu Src]
2018-02-03 2018 CT {{convert|0.00249|AU|km mi|abbr=on}}0.9715–4725.81.692018+CT|cad=data}}{{·}}{{JPL|2018+CT|2018 CT}}
2018-02-06 {{mpl>2018 CF|2}}{{convert|0.00204|AU|km mi|abbr=on}}0.794–2028.00.252018+CF2|cad=data}}{{·}}{{JPL|2018+CF2|{{mp|2018 CF|2}}}}
2018-02-24 2018 DN|4}}0.00128|AU|km mi|abbr=on}}0.50[21]4–1428.40.552018+DN4|cad=data}}{{·}}{{JPL|2018+DN4|{{mp|2018 DN|4}}}}
2018-03-01 {{mpl>2018 DV|1}}0.000893|AU|km mi|abbr=on}}0.354–1528.40.292018+CD1|cad=data}}{{·}}{{JPL|2018+CD1|{{mp|2018 CD|1}}}}
2018-03-14 2018 EZ|2}}0.00136|AU|km mi|abbr=on}}0.5310–3426.50.562018+EZ2|cad=data}}{{·}}{{JPL|2018+EZ2|{{mp|2018 EZ|2}}}}
2018-03-17 2018 FL|29}}0.00187|AU|km mi|abbr=on}}0.732–730.10.582018+FL29|cad=data}}{{·}}{{JPL|2018+FL29|{{mp|2018 FL|29}}}}
2018-03-17 2018 FE|3}}0.00118|AU|km mi|abbr=on}}0.468–2727.10.382018+FE3|cad=data}}{{·}}{{JPL|2018+FE3|{{mp|2018 FE|3}}}}
2018-03-30 2018 FK|5}}0.00157|AU|km mi|abbr=on}}0.614–1628.30.392018+FK5|cad=data}}{{·}}{{JPL|2018+FK5|{{mp|2018 FK|5}}}}
2018-04-13 2018 GD|2}}0.00221|AU|km mi|abbr=on}}0.863–929.40.782018+GD2|cad=data}}{{·}}{{JPL|2018+GD2|{{mp|2018 GD|2}}}}
2018-04-15 {{mpl>2018 GE|3}}0.000876|AU|km mi|abbr=on}}0.3437–13823.60.502018+GE3|cad=data}}{{·}}{{JPL|2018+GE3|{{mp|2018 GE|3}}}}
2018-05-23 2018 KW|1}}0.00146|AU|km mi|abbr=on}}0.573–829.70.392018+KW1|cad=data}}{{·}}{{JPL|2018+KW1|{{mp|2018 KW|1}}}}
2018-06-02 2018 LA 0.00208|AU|km mi|abbr=on}}0.832–330.5Impact2018+LA|cad=data}}{{·}}{{JPL|2018+LA|2018 LA}}
2018-06-16 2018 MZ|4}}0.000527|AU|km mi|abbr=on}}0.204–1128.80.542018+MZ4|cad=data}}{{·}}{{JPL|2018+MZ4|{{mp|2018 MZ|4}}}}
2018-06-17 A107j4p 0.00256|AU|km mi|abbr=on}}0.995[22]4–1128.90.080 [https://archive.is/CA2w3 Src]
2018-06-23 A107pL2 0.00208|AU|km mi|abbr=on}}0.81[23]3–929.50.20 [https://archive.is/ucNlB Src]
2018-07-02 2018 NH 0.00109|AU|km mi|abbr=on}}0.4324–8824.61.132018+NH|cad=data}}{{·}}{{JPL|2018+NH|2018 NH}}
2018-07-05 ZN2E090 0.00168|AU|km mi|abbr=on}}0.65[24]4–1228.80.51 [https://archive.fo/0DGfu Src]
2018-07-07 2018 NX 0.00152|AU|km mi|abbr=on}}0.597–1827.70.302018+NX|cad=data}}{{·}}{{JPL|2018+NX|2018 NX}}
2018-07-08 2018 NW 0.00165|AU|km mi|abbr=on}}0.646–1827.80.322018+NW|cad=data}}{{·}}{{JPL|2018+NW|2018 NW}}
2018-07-24 2018 OF|2}}0.000713|AU|km mi|abbr=on}}0.288–2127.41.142018+OF2|cad=data}}{{·}}{{JPL|2018+OF2|{{mp|2018 OF|2}}}}
2018-08-04 2018 PY|7}}0.00182|AU|km mi|abbr=on}}0.719–3326.71.072018+PY7|cad=data}}{{·}}{{JPL|2018+PY7|{{mp|2018 PY|7}}}}
2018-08-10 {{mpl>2018 PD|20}}0.00117|AU|km mi|abbr=on}}0.467–2227.40.0872018+PD20|cad=data}}{{·}}{{MPC|2018+PD20|{{mp|2018 PD|20}}}}
2018-08-12 2018 OF|2}}0.00178|AU|km mi|abbr=on}}0.691–431.30.112018+OF2|cad=data}}{{·}}{{MPC|2018+OF2|{{mp|2018 OF|2}}}}
2018-08-15 2018 PY|23}}0.00117|AU|km mi|abbr=on}}0.456–1727.91.322018+PY23|cad=data}}{{·}}{{MPC|2018+PY23|{{mp|2018 PY|23}}}}
2018-08-19 ZTF00VP 0.00149|AU|km mi|abbr=on}}0.58[25]3–1129.01.12 [https://archive.fo/Q4Eat Src]
2018-09-03 2018 RR|1}}0.00254|AU|km mi|abbr=on}}0.9902–729.80.952018+RR1|cad=data}}{{·}}{{MPC|2018+RR1|{{mp|2018 RR|1}}}}
2018-09-05 2018 RS 0.00220|AU|km mi|abbr=on}}0.852–1229.50.282018+RS|cad=data}}{{·}}{{MPC|2018+RS|2018 RS}}
2018-09-07 2018 RJ|3}}0.00200|AU|km mi|abbr=on}}0.786–1927.80.442018+RJ3|cad=data}}{{·}}{{MPC|2018+RJ3|{{mp|2018 RJ|3}}}}
2018-09-08 2018 RW 0.00256|AU|km mi|abbr=on}}0.9972–730.30.442018+RW|cad=data}}{{·}}{{MPC|2018+RW|2018 RW}}
2018-09-10 2018 RC 0.00244|AU|km mi|abbr=on}}0.9523–8724.60.582018+RC|cad=data}}{{·}}{{MPC|2018+RC|2018 RC}}
2018-09-12 2018 RZ|5}}0.00134|AU|km mi|abbr=on}}0.522-829.70.132018+RZ5|cad=data}}{{·}}{{MPC|2018+RZ5|{{mp|2018 RZ|5}}}}
2018-09-15 2018 SM 0.00188|AU|km mi|abbr=on}}0.733-929.40.112018+SM|cad=data}}{{·}}{{MPC|2018+SM|2018 SM}}
2018-09-15 2018 SN|3}}0.00229|AU|km mi|abbr=on}}0.892–729.90.512018+SN3|cad=data}}{{·}}{{MPC|2018+SN3|{{mp|2018 SN|3}}}}
2018-09-19 2018 RF|8}}0.00154|AU|km mi|abbr=on}}0.6014–5025.81.372018+RF8|cad=data}}{{·}}{{MPC|2018+RF8|{{mp|2018 RF|8}}}}
2018-09-24 2018 SD|2}}0.00193|AU|km mi|abbr=on}}0.754-1228.60.232018+SD2|cad=data}}{{·}}{{MPC|2018+SD2|{{mp|2018 SD|2}}}}
2018-10-06 2018 TV|5}}0.000749|AU|km mi|abbr=on}}0.293–929.50.272018+TV5|cad=data}}{{·}}{{MPC|2018+TV5|{{mp|2018 TV|5}}}}
2018-10-17 2018 UL 0.000992|AU|km mi|abbr=on}}0.393–1129.10.572018+UL|cad=data}}{{·}}{{MPC|2018+UL|2018 UL}}
2018-10-19 2018 UA 0.00189|AU|km mi|abbr=on}}0.742–630.20.0362018+UA|cad=data}}{{·}}{{MPC|2018+UA|2018 UA}}
2018-11-01 2018 VQ|10}}0.00215|AU|km mi|abbr=on}}0.842–530.60.11 [https://archive.is/zmqen Temp. Src]
2018-11-03 2018 VV|3}}0.00131|AU|km mi|abbr=on}}0.5113–3626.21.132018+VV3|cad=data}}{{·}}{{MPC|2018+VV3|{{mp|2018 VV|3}}}}
2018-11-04 2018 WS 0.00212|AU|km mi|abbr=on}}0.8911–3426.51.742018+WS|cad=data}}{{·}}{{MPC|2018+WS|2018 WS}}
2018-11-05 2018 VO|5}}0.00247|AU|km mi|abbr=on}}0.969–3326.70.372018+VO5|cad=data}}{{·}}{{MPC|2018+VO5|{{mp|2018 VO|5}}}}
2018-11-06 ZV33FBC 0.00147|AU|km mi|abbr=on}}0.57[26]9–2826.90.57 [https://archive.fo/CKFtS Src]
2018-11-14 2018 VJ|10}}0.00124|AU|km mi|abbr=on}}0.484–1228.60.522018+VJ10|cad=data}}{{·}}{{MPC|2018+VJ10|{{mp|2018 VJ|10}}}}
2018-11-15 2018 WA|1}}0.00243|AU|km mi|abbr=on}}0.952–730.00.652018+WA1|cad=data}}{{·}}{{MPC|2018+WA1|{{mp|2018 WA|1}}}}
2018-11-15 ZW87F01 0.00195|AU|km mi|abbr=on}}0.76[27]1–232.30.23 [https://archive.fo/B53ow Src]
2018-11-16 2018 WH 0.00215|AU|km mi|abbr=on}}0.832–829.80.502018+WH|cad=data}}{{·}}{{MPC|2018+WH|2018 WH}}
2018-11-18 2018 WE 0.00133|AU|km mi|abbr=on}}0.524–1628.30.622018+WE|cad=data}}{{·}}{{MPC|2018+WE|2018 WE}}
2018-11-19 2018 WJ 0.00228|AU|km mi|abbr=on}}0.896–2627.50.312018+WJ|cad=data}}{{·}}{{MPC|2018+WJ|2018 WJ}}
2018-11-25 2018 WE|1}}0.00142|AU|km mi|abbr=on}}0.5512–5126.00.282018+WE1|cad=data}}{{·}}{{MPC|2018+WE1|{{mp|2018 WE|1}}}}
2018-11-25 ZTF01p2 0.00246|AU|km mi|abbr=on}}0.96[28]10–3126.71.47 [https://archive.fo/3kPfB Src]
2018-11-25 2018 WH|1}}0.00197|AU|km mi|abbr=on}}0.774–1428.51.182018+WH1|cad=data}}{{·}}{{MPC|2018+WH1|{{mp|2018 WH|1}}}}
2018-11-27 2018 WZ|1}}0.00225|AU|km mi|abbr=on}}0.883–929.40.282018+WZ1|cad=data}}{{·}}{{MPC|2018+WZ1|{{mp|2018 WZ|1}}}}
2018-11-28 ZW900BE 0.00255|AU|km mi|abbr=on}}0.993[29]1–431.20.087 [https://archive.fo/yaHs5 Src]
2018-12-05 2018 WV|1}}0.00225|AU|km mi|abbr=on}}0.882–630.20.0862018+WV1|cad=data}}{{·}}{{MPC|2018+WV1|{{mp|2018 WV|1}}}}
2018-12-08 2018 XP|2}}0.00176|AU|km mi|abbr=on}}0.685–1628.11.0092018+XP2|cad=data}}{{·}}{{MPC|2018+XP2|{{mp|2018 XP|2}}}}
2018-12-11 2018 XA|4}}0.00158|AU|km mi|abbr=on}}0.613–1129.10.972018+XA4|cad=data}}{{·}}{{MPC|2018+XA4|{{mp|2018 XA|4}}}}
2018-12-27 2018 YL|2}}0.00131|AU|km mi|abbr=on}}0.513–1029.30.152018+YL2|cad=data}}{{·}}{{MPC|2018+YL2|{{mp|2018 YL|2}}}}
2018-12-30 2018 YJ|4}}0.000253|AU|km mi|abbr=on}}0.982–729.80.28 [https://archive.fo/MNEfk Temp. src]

Notes

{{Reflist|group="note2"}}

Additional examples

An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2018.

ObjectSize
meters		lunar
distances		DateRef
{{mpl>(276033) 2002 AJ|129}} 624 10.9 2018-02-04 276033}}
3752 Camillo 2306 53.6 2018-02-20 3752}}
2017 VR12 271 3.76 2018-03-07 2017+VR}}
1981 Midas 3400 34.9 2018-03-21 1981}}
2018 GU|1}} 46 1.70 2018-04-08 2018+GU1}}
388945|{{mp|(388945) 2008 TZ|3}}}} 285 6.48 2018-05-09 388945}}
68347|{{mp|(68347) 2001 KB|67}}}} 359 9.50 2018-05-29 68347}}
2017 YE|5}}[30]860 15.5 2018-06-21 2017+YE5}}
2018 NL 32 1.42 2018-06-28 2018+NL}}
(4953) 1990 MU 2800 41.6 2018-11-29 4953}}
2013 VX|4}} 62 4.09 2018-12-09 2013+VX}}
{{mpl>(163899) 2003 SD|220}} 800 7.36 2018-12-22 163899}}

Statistics

{{Bar graph
| title = Approaches by month
| float = center
| data_max = 25
| bar_width = 15
| width_units = em
| label_type = month
| data_type = <1 LD
| label1 = January
| data1 = 11
| label2 = February
| data2 = 9
| label3 = March
| data3 = 7
| label4 = April
| data4 = 7
| label5 = May
| data5 = 3
| label6 = June
| data6 = 5
| label7 = July
| data7 = 3
| label8 = August
| data8 = 3
| label9 = September
| data9 = 13
| label10 = October
| data10 = 5
| label11 = November
| data11 = 21
| label12 = December
| data12 = 6
| col2_data_type= <5 LD
| col2_data_max = 60
| col2_data1 = 31
| col2_data2 = 21
| col2_data3 = 30
| col2_data4 = 26
| col2_data5 = 21
| col2_data6 = 11
| col2_data7 = 9
| col2_data8 = 12
| col2_data9 = 50
| col2_data10 = 26
| col2_data11 = 39
| col2_data12 = 23
}}{{Bar graph
| title = Approaches by size
| float = center
| data_max = 25
| bar_width = 15
| width_units = em
| label_type = Abs. mag
| data_type = <1 LD
| label1 = H <20
| data1 = 0
| label2 = <21
| data2 = 0
| label3 = <22
| data3 = 0
| label4 = <23
| data4 = 1
| label5 = <24
| data5 = 2
| label6 = <25
| data6 = 1
| label7 = <26
| data7 = 3
| label8 = <27
| data8 = 10
| label9 = <28
| data9 = 15
| label10 = <29
| data10 = 22
| label11 = <30
| data11 = 22
| label12 = <31
| data12 = 15
| label13 = <32
| data13 = 2
| label14 = <33
| data14 = 1
| col2_data_type= <5 LD
| col2_data_max = 100
| col2_data1 = 0
| col2_data2 = 1
| col2_data3 =0
| col2_data4 =1
| col2_data5 =6
| col2_data6 =20
| col2_data7 =37
| col2_data8 =73
| col2_data9 =84
| col2_data10 =49
| col2_data11 =25
| col2_data12 =16
| col2_data13 =2
| col2_data14 =1
}}{{Bar graph
| title = Discoveries by survey
| float = center
| data_max = 40
| bar_width = 15
| width_units = em
| label_type = Survey
| data_type = <1 LD
| label1 = {{Obscode|568}} Mauna Kea
| data1 = 0
| label2 = {{Obscode|703}} Catalina Sky Survey
| data2 = 28
| label3 = {{Obscode|704}} Lincoln Laboratory ETS
| data3 = 0
| label4 = {{Obscode|D29}} XuYi Station, Purple Mountain
| data4 = 0
| label5 = {{Obscode|F51}} Pan-STARRS 1
| data5 = 1
| label6 = {{Obscode|F52}} Pan-STARRS 2
| data6 = 1
| label7 = {{Obscode|G96}} Mt. Lemmon Survey
| data7 = 37
| label8 = {{Obscode|I41}} Zwicky Transient Facility
| data8 = 10
| label9 = {{Obscode|Q66}} JAXA, Siding Spring Observatory
| data9 = 1
| label10 = {{Obscode|T05}} ATLAS-HKO
| data10 = 6
| label11 = {{Obscode|T08}} ATLAS-MLO
| data11 = 8
| label12 = {{Obscode|Y00}} SONEAR Observatory
| data12 = 1
| col2_data_type= <5 LD
| col2_data_max = 130
| col2_data1 = 1
| col2_data2 = 98
| col2_data3 = 2
| col2_data4 = 1
| col2_data5 = 11
| col2_data6 = 10
| col2_data7 = 121
| col2_data8 = 37
| col2_data9 = 4
| col2_data10 = 17
| col2_data11 = 17
| col2_data12 = 1
}}

Virtual Impactors

List of asteroids that are listed on the Sentry Risk Table because they have short observation arcs with poorly constrained orbits and have a chance of impacting Earth in 2018. Given a short observation arc, many different orbits fit the observed data. These objects could be millions if not billions of kilometers from Earth on the date of a low probability virtual impactor. For example, {{mp|2005 TM|173}} is expected to be {{Convert|5|AU|e6km|sigfig=1|abbr=unit|lk=on}} from Earth in December 2018 around the time of the 3 virtual impactors.[31] 2010 GZ60 was removed from the sentry table in February 2018 after further observations were found by NEOWISE, ruling out any possible impacts.

Cumulatively among the asteroids listed below, there is a roughly 1 in 98,700 chance that any of the asteroids will impact Earth in 2018. Most of this comes from asteroid 2008 US which is only ~2 meters in diameter and had a 1 in 240,000 chance of impact on 18 April 2018.

Also included are asteroids discovered before impact (specifically, 2018 LA) and exceptionally massive fireballs with either an equivalent yield of more than 1 kiloton of TNT or an estimated size of more than 3 meters.

Date Object Estimated
diameter
(meters)		 Obs
arc
(days)		 Impact
probability
(1 in)		 Sigma from
best-fit orbit
[32]		 Palermo
scale		 JPL Horizons
nominal geocentric
distance (AU)		 NEODyS
nominal geocentric
distance (AU)
2018-01-31[33] 2011 CF|66}}[34]90.182,100,000,000 0.994 -7.871.1|AU|km mi|abbr=on}}0.23|AU|km mi|abbr=on}}
2018-02-10[35] 2008 EL|68}}[36]90.071370,000,000 0.039 -8.381.3|AU|km mi|abbr=on}}1.1|AU|km mi|abbr=on}}
2018-02-15[33] 2011 CF|66}}90.18100,000,000 -2.100 -7.701.2|AU|km mi|abbr=on}}0.25|AU|km mi|abbr=on}}
2018-02-15[33] 2011 CF|66}}90.18140,000,000 -1.183 -7.821.2|AU|km mi|abbr=on}}0.25|AU|km mi|abbr=on}}
2018-02-17[33] 2011 CF|66}}90.18120,000,000 -0.465 -7.671.2|AU|km mi|abbr=on}}0.25|AU|km mi|abbr=on}}
2018-02-24[37] 2009 VZ|39}}[38]90.043110,000,000 0.948 -7.632.7|AU|km mi|abbr=on}}4.1|AU|km mi|abbr=on}}
2018-02-25[35] 2008 EL|68}}90.0712,000,000 -0.690 -6.261.3|AU|km mi|abbr=on}}1.2|AU|km mi|abbr=on}}
2018-02-26[39] 2015 HV|182}}[40]1571.02,100,000,000 0.096 -5.472.4|AU|km mi|abbr=on}}2.4|AU|km mi|abbr=on}}
2018-02-26[41] 2008 JD|33}}90.12290,000,000 -2.389 -8.340.95|AU|km mi|abbr=on}}2.8|AU|km mi|abbr=on}}
2018-03-01[42] 2008 EK|68}}40.0401,100,000,000 0.697 -9.012.9|AU|km mi|abbr=on}}2.3|AU|km mi|abbr=on}}
2018-03-09[35] 2008 EL|68}}90.0711,700,000,000 1.232 -8.051.4|AU|km mi|abbr=on}}1.2|AU|km mi|abbr=on}}
2018-03-10[35] 2008 EL|68}}90.0711,100,000,000 0.806 -8.351.4|AU|km mi|abbr=on}}1.2|AU|km mi|abbr=on}}
2018-03-11[43] 2005 ED|224}}543.12,400,000 1.438 -3.721.6|AU|km mi|abbr=on}}2.1|AU|km mi|abbr=on}}
2018-03-11[35] 2008 EL|68}}90.0712,900,000 0.544 -6.011.4|AU|km mi|abbr=on}}1.2|AU|km mi|abbr=on}}
2018-03-11[44] 2008 EM|68}}[45]100.113,400,000 1.198 -6.092.7|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-03-21[46] 2014 OY|391}}220.972,000,000,000 3.436 -7.943.4|AU|km mi|abbr=on}}3.4|AU|km mi|abbr=on}}
2018-03-22[47] 2014 MV|67}}5370.931,900,000,000 0.195 -4.683.8|AU|km mi|abbr=on}}2.4|AU|km mi|abbr=on}}
2018-04-08[48] 2014 HG|196}}[49]161.01,900,000,000 0.196 -8.193.0|AU|km mi|abbr=on}}3.4|AU|km mi|abbr=on}}
2018-04-10[50] 2016 AZ|193}}[51]190.1691,000,000 0.155 -6.860.63|AU|km mi|abbr=on}}0.60|AU|km mi|abbr=on}}
2018-04-18[52] 2008 US 20.081240,000 0.253 -6.561.0|AU|km mi|abbr=on}}1.0|AU|km mi|abbr=on}}
2018-04-19[53] N/A (not discovered
before impact) 		4N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-04-24[54] 2008 UY|91}}360.12310,000,000 0.687 -6.633.8|AU|km mi|abbr=on}}3.8|AU|km mi|abbr=on}}
2018-04-29[50] 2016 AZ|193}}190.16210,000,000 -0.099 -7.670.72|AU|km mi|abbr=on}}0.69|AU|km mi|abbr=on}}
2018-04-30[55] 2014 HD|198}}40.97710,000 -1.705 -6.183.7|AU|km mi|abbr=on}}3.7|AU|km mi|abbr=on}}
2018-05-04[56] 2008 LE 220.14270,000,000 -0.137 -7.012.3|AU|km mi|abbr=on}}2.3|AU|km mi|abbr=on}}
2018-05-08[37] 2009 VZ|39}}90.043210,000,000 1.159 -7.451.9|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-05-17[57] 2008 VS|4}}[58]490.083480,000,000 1.108 -6.642.3|AU|km mi|abbr=on}}1.6|AU|km mi|abbr=on}}
2018-06-02 2018 LA 30.161 0.000 >00.00004|AU|km mi|abbr=on}}
(impact)		0.00004|AU|km mi|abbr=on}}
(impact)
2018-06-03[59] 2014 LY|21}}[60]50.045910,000 -0.349 -5.671.1|AU|km mi|abbr=on}}1.3|AU|km mi|abbr=on}}
2018-06-03[59] 2014 LY|21}}50.045670,000 0.067 -6.101.1|AU|km mi|abbr=on}}1.3|AU|km mi|abbr=on}}
2018-06-04[59] 2014 LY|21}}50.045340,000,000 0.474 -9.171.1|AU|km mi|abbr=on}}1.3|AU|km mi|abbr=on}}
2018-06-21[53] N/A (not discovered
before impact) 		5N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-06-22[39] 2015 HV|182}}1571.0500,000,000 -0.333 -5.621.9|AU|km mi|abbr=on}}1.9|AU|km mi|abbr=on}}
2018-07-25[53] N/A (not discovered
before impact) 		3N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-08-12[48] 2014 HG|196}}161.0310,000,000 -0.816 -7.791.8|AU|km mi|abbr=on}}1.6|AU|km mi|abbr=on}}
2018-08-19[61] 2015 ME|131}}4991.8560,000,000 0.768 -4.131.3|AU|km mi|abbr=on}}1.3|AU|km mi|abbr=on}}
2018-08-30[44] 2008 EM|68}}100.116,200,000,000 2.277 -9.632.8|AU|km mi|abbr=on}}3.2|AU|km mi|abbr=on}}
2018-09-07[44] 2008 EM|68}}100.11170,000,000 1.084 -7.952.7|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-09-10[44] 2008 EM|68}}100.1191,000,000 0.297 -7.562.7|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-09-11[44] 2008 EM|68}}100.11120,000,000 -0.315 -7.562.7|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-09-11[44] 2008 EM|68}}100.11710,000,000 -1.258 -8.142.7|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-09-12[44] 2008 EM|68}}100.11220,000,000 -0.824 -7.722.7|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-09-12[44] 2008 EM|68}}100.117,700,000,000 -2.041 -8.912.7|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-09-12[44] 2008 EM|68}}100.111,800,000,000 -1.660 -8.392.7|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-09-13[62] 2015 HW|182}}311.01,400,000,000 -1.839 -7.551.3|AU|km mi|abbr=on}}1.4|AU|km mi|abbr=on}}
2018-09-18[63] 2015 HS|182}}233.01,100,000,000 1.918 -7.983.0|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-09-19[39] 2015 HV|182}}1571.0770,000,000 -0.337 -5.872.3|AU|km mi|abbr=on}}2.3|AU|km mi|abbr=on}}
2018-09-20[64] 2009 FZ|4}}310.6014,000,000 0.453 -5.771.3|AU|km mi|abbr=on}}0.62|AU|km mi|abbr=on}}
2018-09-25[53] N/A (not discovered
before impact) 		4N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-09-26[39] 2015 HV|182}}1571.02,400,000,000 0.029 -6.092.4|AU|km mi|abbr=on}}2.4|AU|km mi|abbr=on}}
2018-10-02[65] 2016 JO|38}}370.9753,000,000 0.328 -6.083.9|AU|km mi|abbr=on}}1.6|AU|km mi|abbr=on}}
2018-10-22[66] 2008 UM|1}}20.0313,300,000,000 -0.299 -11.24.8|AU|km mi|abbr=on}}3.8|AU|km mi|abbr=on}}
2018-10-27[67] 2014 HR|197}}[68]140.962,100,000,000 -1.613 -8.251.2|AU|km mi|abbr=on}}1.7|AU|km mi|abbr=on}}
2018-10-28[67] 2014 HR|197}}140.96500,000,000 -0.177 -7.921.2|AU|km mi|abbr=on}}1.7|AU|km mi|abbr=on}}
2018-10-30[67] 2014 HR|197}}140.968,300,000,000 1.972 -9.431.2|AU|km mi|abbr=on}}1.7|AU|km mi|abbr=on}}
2018-11-01[69] 2008 VL 90.12710,000,000 1.279 -8.274.5|AU|km mi|abbr=on}}4.5|AU|km mi|abbr=on}}
2018-11-12[37] 2009 VZ|39}}90.04377,000,000 -0.297 -7.790.29|AU|km mi|abbr=on}}3.7|AU|km mi|abbr=on}}
2018-11-12[37] 2009 VZ|39}}90.043770,000,000 -0.704 -8.260.29|AU|km mi|abbr=on}}3.7|AU|km mi|abbr=on}}
2018-11-12[70] 2010 VP|139}}[71]60.04656,000,000 0.822 -8.270.44|AU|km mi|abbr=on}}0.43|AU|km mi|abbr=on}}
2018-11-12[37] 2009 VZ|39}}90.04332,000,000 0.008 -7.610.29|AU|km mi|abbr=on}}3.7|AU|km mi|abbr=on}}
2018-11-12[70] 2010 VP|139}}60.0461,900,000,000 2.113 -9.460.44|AU|km mi|abbr=on}}0.43|AU|km mi|abbr=on}}
2018-11-16[37] 2009 VZ|39}}90.04367,000,000 0.981 -7.600.28|AU|km mi|abbr=on}}3.7|AU|km mi|abbr=on}}
2018-11-16[57] 2008 VS|4}}490.08310,000,000,000 1.753 -7.733.4|AU|km mi|abbr=on}}0.19|AU|km mi|abbr=on}}
2018-11-20[53] N/A (not discovered
before impact) 		3N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-11-29[57] 2008 VS|4}}490.0831,300,000,000 0.856 -7.423.4|AU|km mi|abbr=on}}0.22|AU|km mi|abbr=on}}
2018-12-11[72] 2010 XC 50.05840,000,000 -0.250 -8.272.4|AU|km mi|abbr=on}}2.3|AU|km mi|abbr=on}}
2018-12-13[73] 2005 TM|173}}[74]511.92,000,000,000 0.455 -7.485.3|AU|km mi|abbr=on}}5.3|AU|km mi|abbr=on}}[31]
2018-12-14[75] 2010 WW|8}}180.066710,000,000 1.218 -7.872.9|AU|km mi|abbr=on}}3.4|AU|km mi|abbr=on}}
2018-12-14[76] 2014 JT|79}}[77]132.8830,000,000 0.401 -7.753.1|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-12-15[73] 2005 TM|173}}511.9450,000,000 -0.856 -6.645.3|AU|km mi|abbr=on}}5.3|AU|km mi|abbr=on}}[31]
2018-12-16[76] 2014 JT|79}}132.8230,000,000 0.147 -7.533.1|AU|km mi|abbr=on}}3.0|AU|km mi|abbr=on}}
2018-12-17[78] 2010 GZ|60}}[79]? (2000)1.4 (1.3)N/A (91,000,000)N/A (1.952)N/A (-2.43){{convert|6.9|AU|km mi|abbr=on}} Not listed
2018-12-18[76] 2014 JT|79}}132.891,000,000 -0.252 -7.513.1|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-12-18[80] 2010 MY|112}}2311.41,000,000,000 -0.262 -5.143.4|AU|km mi|abbr=on}}2.2|AU|km mi|abbr=on}}
2018-12-18[53] N/A (not discovered
before impact) 		12N/A1 0.000 0N/A
(impact) 		N/A
(impact)
2018-12-20[73] 2005 TM|173}}511.93,400,000,000 -1.991 -7.295.3|AU|km mi|abbr=on}}5.2|AU|km mi|abbr=on}}[31]
2018-12-22[76] 2014 JT|79}}132.8200,000,000 -1.085 -8.383.1|AU|km mi|abbr=on}}3.1|AU|km mi|abbr=on}}
2018-12-23[81] 2013 YB 20.1617,000,000 3.754 -9.062.3|AU|km mi|abbr=on}}2.3|AU|km mi|abbr=on}}
2018-12-26[35] 2008 EL|68}}90.0713,200,000,000 -0.855 -9.741.4|AU|km mi|abbr=on}}1.1|AU|km mi|abbr=on}}
2018-12-29[50] 2016 AZ|193}}190.162,800,000,000 0.411 -8.061.4|AU|km mi|abbr=on}}1.4|AU|km mi|abbr=on}}
2018-12-30[50] 2016 AZ|193}}190.166,200,000,000 0.502 -8.221.4|AU|km mi|abbr=on}}1.3|AU|km mi|abbr=on}}

Notes

{{reflist|group="note3"|colwidth=1}}

See also

  • List of asteroid close approaches to Earth
  • List of asteroid close approaches to Earth in 2017
  • List of asteroid close approaches to Earth in 2019
  • List of bolides (asteroids and meteoroids that impacted Earth)
  • Asteroid impact prediction

References

{{Reflist}}

External links

  • Near-Earth object close approaches ±30 days within 5 LD (JPL)
  • Upcoming close approaches to Earth (ESA)
  • Table of Asteroids Next Closest Approaches to the Earth (Sormano Observatory)
{{2018 in space}}

3 : Near-Earth objects in 2018|Lists of asteroids|Near-Earth asteroids
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