(4420) Alandreev
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 .