(729) Watsonia
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 .