(12580) Antonini
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Asteroid (12580) Antonini |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.0591 AU |
| eccentricity | 0.2473 |
| Perihelion - aphelion | 2.3027 AU - 3.8156 AU |
| Inclination of the orbit plane | 2.5562 ° |
| Length of the ascending node | 41.4273 ° |
| Argument of the periapsis | 308.1724 ° |
| Sidereal period | 5.35 a |
| Mean orbital velocity | 17.02 km / s |
| Physical Properties | |
| Medium diameter | 7.915 ± 0.102 km |
| Albedo | 0.065 ± 0.003 |
| Rotation period | 8.717 h |
| Absolute brightness | 14.2 mag |
| history | |
| Explorer | Laurent Bernasconi |
| Date of discovery | September 8, 1999 |
| Another name | 1999 RM 33 , 1978 WG 16 , 1994 VR 8 |
| 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. | |
(12580) Antonini is an asteroid of the main belt that was discovered on September 8, 1999 by the French astronomer Laurent Bernasconi at the observatory in St. Michel sur Meurthe ( IAU code 164) in the canton of Saint-Dié-des-Vosges-Ouest .
The asteroid was named on July 26, 2000 after the French amateur astronomer Pierre Antonini .
See also
Web links
- Asteroid Antonini: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (12580) Antonini in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (12580) Antonini in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).