(2122) Pyatiletka
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Asteroid (2122) Pyatiletka |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| family | Vesta family |
| Major semi-axis | 2.401 AU |
| eccentricity | 0.030 |
| Perihelion - aphelion | 2.330 AU - 2.473 AU |
| Inclination of the orbit plane | 7.899 ° |
| Length of the ascending node | 105.508 ° |
| Argument of the periapsis | 236.605 ° |
| Time of passage of the perihelion | 19th August 2015 |
| Sidereal period | 3.72 a |
| Physical Properties | |
| Medium diameter | 11.084 (± 0.101) km |
| Albedo | 0.224 (± 0.023) |
| Rotation period | 8.8993 |
| Absolute brightness | 12.00 mag |
| history | |
| Explorer | Tamara Mikhailovna Smirnova |
| Date of discovery | December 14, 1971 |
| Another name | 1971 XB; 1950 BE 1 ; 1950 DX; 1951 KB 1 ; 1954 DA; 1961 AL; 1969 EV 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. | |
(2122) Pyatiletka ( 1971 XB ; 1950 BE 1 ; 1950 DX ; 1951 KB 1 ; 1954 DA ; 1961 AL ; 1969 EV 1 ) is an asteroid of the main inner belt belonging to the Vesta family and owned by Tamara on December 14, 1971 Mikhailovna Smirnova was discovered at the Crimean Observatory .
designation
The asteroid was named after the 50th anniversary of the first five-year plan ( Russian : пятиле́тки, tr . : pyatilétki) of the Soviet Union .
See also
Web links
- Asteroid Pyatiletka: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2122) Pyatiletka in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp. 172 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 6, 2016] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named on the 50th anniversary of the adoption of the first five-year plan for the development of the national economy of the USSR ”