(789) Lena
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Asteroid (789) Lena |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6855 AU |
| eccentricity | 0.1478 |
| Perihelion - aphelion | 2.2887 AU - 3.0824 AU |
| Inclination of the orbit plane | 10.804 ° |
| Sidereal period | 4,401 a |
| Mean orbital velocity | 18.18 km / s |
| Physical Properties | |
| Medium diameter | 22 km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 11,179 likes |
| Spectral class | X |
| history | |
| Explorer | G. N. Nikolayevich |
| Date of discovery | 1914 |
| Another name | 1914 UU, 1970 CE |
| 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. | |
(789) Lena is an asteroid of the main belt that was discovered in Simejis on June 24, 1914 by the Russian astronomer Grigori Nikolajewitsch Neuimin .
The asteroid is dedicated to the mother of the discoverer, Elena Petrovna Neuimina (1860–1942).