(1857) Parchomenko
Asteroid (1857) Parchomenko |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.244 AU |
eccentricity | 0.135 |
Perihelion - aphelion | 1.941 AU - 2.546 AU |
Inclination of the orbit plane | 4.397 ° |
Length of the ascending node | 236.120 ° |
Argument of the periapsis | 173.744 ° |
Time of passage of the perihelion | Template: FormatDate : Not a valid ISO date! |
Sidereal period | 3.36 a |
Physical Properties | |
Medium diameter | approx. 8 km |
Rotation period | 3.1 h |
Absolute brightness | 12.4 mag |
Spectral class | S. |
history | |
Explorer | Tamara Mikhailovna Smirnova |
Date of discovery | August 30, 1971 |
Another name | 1971 QS 1 ; 1931 XT; 1941 WJ; 1974 OE 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. |
(1857) Parchomenko ( 1971 QS 1 ; 1931 XT ; 1941 WJ ; 1974 OE 1 ) is an asteroid of the main belt that was discovered on August 30, 1971 by Tamara Mikhailovna Smirnova at the Crimean Observatory . The name is reminiscent of the Soviet astronomer Praskovia Georgievna Parchomenko .