(1100) Arnica
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Asteroid (1100) Arnica |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Koronis family |
| Major semi-axis | 2.8985 AU |
| eccentricity | 0.0681 |
| Perihelion - aphelion | 2.7012 AU - 3.0958 AU |
| Inclination of the orbit plane | 1.0347 ° |
| Length of the ascending node | 304.1528 ° |
| Argument of the periapsis | 24.2111 ° |
| Sidereal period | 4.93 a |
| Mean orbital velocity | 17.49 km / s |
| Physical Properties | |
| Medium diameter | approx. 17 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | 14.535 h |
| Absolute brightness | 10.9 likes |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | September 22, 1928 |
| Another name | 1928 SD , 1950 BU, 1976 MK, 1979 HE, A904 XA, A918 RD |
| 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. | |
(1100) Arnica is an asteroid of the main belt that was discovered on September 22, 1928 by the German astronomer Karl Wilhelm Reinmuth at the Heidelberg-Königstuhl State Observatory at the University of Heidelberg .
The asteroid is a member of the Koronis family, a group of asteroids named after (158) Koronis . The timeless (non- osculating ) orbital elements of (1100) Arnica are almost identical to those of the smaller one, assuming the absolute brightness of 14.1 compared to 10.9, asteroids (14254) 1997 GK 23 .
(1100) Arnica is named after the genus arnica .
See also
Web links
- Asteroid Arnica: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (1100) Arnica in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (1100) Arnica in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)