词条 | 903 Nealley |
释义 |
| minorplanet= yes | background= #D6D6D6 | name= 903 Nealley | mpc_name= (903) Nealley | alt_names= 1918 EM | discoverer= Johann Palisa | discovered= 13 September 1918 | discovery_site= Vienna | epoch= 31 July 2016 (JD 2457600.5) | eccentricity= 0.044562 | semimajor= {{Convert|3.2377|AU|Gm|abbr=on}} | perihelion= {{Convert|3.0934|AU|Gm|abbr=on}} | aphelion= {{Convert|3.3819|AU|Gm|abbr=on|lk=on}} | period= 5.83 yr (2127.9 d) | inclination= 11.781° | asc_node= 159.404° | arg_peri= 235.383° | mean_anomaly= 229.469° | mean_motion= {{Deg2DMS|0.16918|sup=ms}} / day | orbit_ref= [1] | observation_arc= 97.59 yr (35646 days) | uncertainty= 0 | abs_magnitude= 10.0 | rotation= {{Convert|21.60|h|d|abbr=on|lk=on}} | albedo= {{val|0.0528|0.004}} | mean_radius= {{val|31.715|1}} km | moid= {{Convert|2.11158|AU|Gm|abbr=on}} | jupiter_moid= {{Convert|1.84491|AU|Gm|abbr=on}} | tisserand= 3.150 }}903 Nealley is a minor planet orbiting the Sun. The semi-major axis of the orbit of 903 Nealley lies just inside the Hecuba gap, located at 3.27 AU. References1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=903;cad=1 |title=903 Nealley (1918 EM) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=2 May 2016}} }} External links
5 : Background asteroids|Discoveries by Johann Palisa|Minor planets named for people|Named minor planets|Astronomical objects discovered in 1918 |
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