(4420) Alandreev
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Asteroid (4420) Alandreev |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6773 AU |
| eccentricity | 0.3154 |
| Perihelion - aphelion | 1.8330 AU - 3.5217 AU |
| Inclination of the orbit plane | 6.896 ° |
| Sidereal period | 4.38 a |
| Mean orbital velocity | 18.20 km / s |
| Physical Properties | |
| Medium diameter | 12 km |
| Albedo | ? |
| Rotation period | ? |
| Absolute brightness | 12.2 mag |
| Spectral class | ? |
| history | |
| Explorer | G. N. Neuimin |
| Date of discovery | August 15, 1936 |
| Another name | 1936 PB, 1949 OB, 1958 TL, 1967 TD, 1971 OD 1 , 1971 QB, 1987 DY 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. | |
(4420) Alandreev is an asteroid of the main belt , which on 15 August 1936 by the Russian astronomer Grigory Neujmin in simeiz was discovered.
The name goes back to the Soviet physicist Alexander Fjodorowitsch Andrejew .