Global Information2072 Kosmodemyanskaya information
| Discovery [1] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 31 August 1973 |
| Designations | |
MPC designation | (2072) Kosmodemyanskaya |
Named after | L. Kosmodemyanskaya (mother of Zoya and Aleksandr)[2] |
Alternative designations | 1973 QE2 · 1944 BD 1958 XY · 1962 XL1 1975 EL |
Minor planet category | main-belt · (inner) [3] |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.13 yr (22,326 days) |
| Aphelion | 2.8512 AU |
| Perihelion | 2.0508 AU |
Semi-major axis | 2.4510 AU |
| Eccentricity | 0.1633 |
Orbital period (sidereal) | 3.84 yr (1,402 days) |
Mean anomaly | 113.25° |
Mean motion | 0° 15m 24.84s / day |
| Inclination | 4.7419° |
Longitude of ascending node | 26.200° |
Argument of perihelion | 38.426° |
| Physical characteristics | |
| Dimensions | 4.843±0.215 km[4][5] 8.93 km (calculated)[3] |
Synodic rotation period | 4.4 h[6] 10±1 h[7] |
Geometric albedo | 0.20 (assumed)[3] 0.522±0.098[5] 0.6805±0.1904[4] |
Spectral type | S [3] |
Absolute magnitude (H) | 12.61[1][3][4] · 13.03±0.28[8] |
2072 Kosmodemyanskaya, provisional designation 1973 QE2, is a stony asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter.
The asteroid was discovered on 31 August 1973, by Russian astronomer Tamara Smirnova at Crimean Astrophysical Observatory, Nauchnyj, on the Crimean peninsula.[9] It was named after Lyubov Kosmodemyanskaya, mother of Soviet heroes Zoya and Aleksandr.[2]
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