(452) Hamiltonia
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Asteroid (452) Hamiltonia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Koronis family |
| Major semi-axis | 2.846 AU |
| eccentricity | 0.013 |
| Perihelion - aphelion | 2.81 AU - 2.882 AU |
| Inclination of the orbit plane | 3.2 ° |
| Length of the ascending node | 92.6 ° |
| Argument of the periapsis | 73.4 ° |
| Time of passage of the perihelion | September 13, 2011 |
| Sidereal period | 4 a 293 d |
| Mean orbital velocity | 17.7 km / s |
| Physical Properties | |
| Medium diameter | 13 km |
| Rotation period | 2 h 53 min |
| Absolute brightness | 11.2 mag |
| history | |
| Explorer | James Edward Keeler |
| Date of discovery | December 6, 1899 |
| Another name | 1899 FD, 1958 BK, 1973 FZ 1 |
| 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. | |
(452) Hamiltonia is an asteroid of the main belt , which on 6 December 1899 by the American astronomer James Edward Keeler at Lick Observatory was discovered.
The asteroid was named after the location of the Lick Observatory, Mount Hamilton in California .
See also
Web links
- Asteroid Hamiltonia: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (452) Hamiltonia in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).