“860 Ursina”的意思、由来-开放百科全书

词条

860 Ursina

释义

References
External links

{{Infobox planet
| minorplanet= yes
| background= #D6D6D6
| name= 860 Ursina
| mpc_name= (860) Ursina
| alt_names= 1917 BD
| discoverer= Max Wolf
| discovered= 22 January 1917
| discovery_site= Heidelberg
| epoch= 31 July 2016 (JD 2457600.5)
| eccentricity= 0.10590
| semimajor= {{Convert|2.7975|AU|Gm|abbr=on}}
| perihelion= {{Convert|2.5013|AU|Gm|abbr=on}}
| aphelion= {{Convert|3.0938|AU|Gm|abbr=on|lk=on}}
| period= 4.68 yr (1709.1 d)
| inclination= 13.297°
| asc_node= 309.388°
| arg_peri= 21.338°
| mean_anomaly= 247.967°
| mean_motion= {{Deg2DMS|0.21064|sup=ms}} / day
| orbit_ref= ^[1]
| observation_arc= 113.24 yr (41362 days)
| uncertainty= 0
| abs_magnitude= 10.26
| rotation= {{Convert|9.386|h|d|abbr=on|lk=on}}
| albedo= {{val|0.1618|0.020}}
| mean_radius= {{val|14.66|0.8}} km
| moid= {{Convert|1.49307|AU|Gm|abbr=on}}
| jupiter_moid= {{Convert|2.21886|AU|Gm|abbr=on}}
| tisserand= 3.279
}}860 Ursina is a minor planet orbiting the Sun that was discovered in 1917 by German astronomer Max Wolf. The origin of the name is unknown.Photometric observations of this asteroid collected during 1999 show a rotation period of 9.386 ± 0.002 hours with a brightness variation of 0.22 magnitude.^[3]

References

1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=860;cad=1 |title=860 Ursina (1917 BD) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=4 May 2016}}
2. ^¹{{citation | last1 = Warner | first1 = B. | title = Asteroid Photometry at the Palmer Divide Observatory | journal = The Minor Planet Bulletin | volume = 27 | pages = 4–6 | date=March 2000 | bibcode = 2000MPBu...27....4W | postscript = .}}

^[2]
}}

External links

Lightcurve plot of 860 Ursina, Palmer Divide Observatory, B. D. Warner (1999)
Asteroid Lightcurve Database (LCDB), query form (info)
[https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
{{AstDys|860}}
{{JPL small body}}

{{Minor planets navigator |859 Bouzaréah |number=860 |861 Aïda}}{{Small Solar System bodies}}{{DEFAULTSORT:Ursina}}{{beltasteroid-stub}}

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