“684 Hildburg”的意思、由来-开放百科全书

词条

684 Hildburg

释义

References
External links

{{Infobox planet
| minorplanet= yes
| background= #D6D6D6
| name= 684 Hildburg
| mpc_name= (684) Hildburg
| alt_names= 1909 HD
| discoverer= August Kopff
| discovered= 8 August 1909
| discovery_site= Heidelberg
| epoch= 31 July 2016 (JD 2457600.5)
| eccentricity= 0.035406
| semimajor= {{Convert|2.4322|AU|Gm|abbr=on}}
| perihelion= {{Convert|2.3461|AU|Gm|abbr=on}}
| aphelion= {{Convert|2.5183|AU|Gm|abbr=on|lk=on}}
| period= 3.79 yr (1385.5 d)
| inclination= 5.5229°
| asc_node= 336.441°
| arg_peri= 292.032°
| mean_anomaly= 117.338°
| mean_motion= {{Deg2DMS|0.25984|sup=ms}} / day
| orbit_ref= ^[1]
| observation_arc= 106.31 yr (38831 d)
| uncertainty= 0
| abs_magnitude= 10.8
| rotation= {{Convert|15.89|h|d|abbr=on|lk=on}}
}}

684 Hildburg is a minor planet orbiting the Sun.

References

1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=684;cad=1 |title=684 Hildburg (1909 HD) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=5 May 2016}}

External links

Discovery Circumstances: Numbered Minor Planets
{{JPL small body}}

{{Minor planets navigator|683 Lanzia|number=684|685 Hermia}}{{Small Solar System bodies}}{{DEFAULTSORT:000684}}{{beltasteroid-stub}}

5 : Background asteroids|Discoveries by August Kopff|Named minor planets|Minor planets with names of unknown origin|Astronomical objects discovered in 1909

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