(2117) Danmark
Asteroid (2117) Danmark |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Koronis family |
Major semi-axis | 2.8721 AU |
eccentricity | 0.0679 |
Perihelion - aphelion | 2.6770 AU - 3.0671 AU |
Inclination of the orbit plane | 2.9307 ° |
Length of the ascending node | 59.5697 ° |
Argument of the periapsis | 262.8089 ° |
Sidereal period | 4.87 a |
Mean orbital velocity | 17.58 km / s |
Physical Properties | |
Medium diameter | approx. 12 km |
Rotation period | 16,598 h |
Absolute brightness | 11.8 mag |
history | |
Explorer | Richard Martin West |
Date of discovery | January 9, 1978 |
Another name | 1978 AC , 1936 VJ, 1949 KY, 1951 YJ 1 , 1969 OE 1 , 1975 VW 8 , 1977 EG |
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. |
(2117) Denmark is an asteroid of the main belt , which on 9 January 1978 by the Danish astronomer Richard Martin West at La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile was discovered.
The asteroid is a member of the Koronis family, a group of asteroids named after (158) Koronis .
The celestial body was named after the Kingdom of Denmark .
See also
Individual evidence
- ↑ The family affiliation of (2117) Danmark (English)
Web links
- Asteroid Danmark: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2117) Danmark in the Small-Body Database of the Jet Propulsion Laboratory .
- (2117) Danmark in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).