(729) Watsonia
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Asteroid (729) Watsonia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Watsonia family |
| Major semi-axis | 2.7597 AU |
| eccentricity | 0.0953 |
| Perihelion - aphelion | 2.4967 AU - 3.0227 AU |
| Inclination of the orbit plane | 18.061 ° |
| Sidereal period | 4,585 a |
| Physical Properties | |
| Medium diameter | 50.025 km (± 0.415) |
| Rotation period | H |
| Absolute brightness | 9.31 likes |
| history | |
| Explorer | JH Metcalf |
| Date of discovery | February 9, 1912 |
| Another name | 1912 OD |
| 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. | |
(729) Watsonia is an asteroid of the main belt , which on 9 February 1912 by the American astronomer Joel H. Metcalf in Winchester was discovered.
The asteroid was named after the astronomer James Craig Watson .