(2258) Viipuri
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Asteroid (2258) Viipuri |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6935 AU |
| eccentricity | 0.0812 |
| Perihelion - aphelion | 2.4749 AU - 2.912 AU |
| Inclination of the orbit plane | 1.487 ° |
| Sidereal period | 4,421 a |
| Mean orbital velocity | 18.15 km / s |
| Physical Properties | |
| Medium diameter | 23.47 km |
| Albedo | 0.0883 |
| Rotation period | 3.810 h |
| Absolute brightness | 11.807 likes |
| Spectral class | C. |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | October 7, 1939 |
| Another name | 1939 TA, 1928 FL, 1950 DU |
| 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. | |
(2258) Viipuri is an asteroid of the main belt , which on 7. October 1939 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The name of the asteroid comes from the Finnish name of the often contested, now Russian city of Vyborg , which is located near the Finnish-Russian border.