(2257) Kaarina
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Asteroid (2257) Kaarina |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4880 AU |
| eccentricity | 0.2387 |
| Perihelion - aphelion | 1.8941 AU - 3.0818 AU |
| Inclination of the orbit plane | 5.057 ° |
| Sidereal period | 3,924 a |
| Mean orbital velocity | 18.88 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 13.3 mag |
| Spectral class | ? |
| history | |
| Explorer | Heikki A. Alikoski |
| Date of discovery | August 18, 1939 |
| Another name | 1939 QB, 1943 TD |
| 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. | |
(2257) Kaarina is an asteroid of the main belt , which on 18 August 1939 by the Finnish astronomer Heikki A. Alikoski in Turku was discovered.
The asteroid is named after a daughter of the discoverer, Kaarina Soini .