2072 Kosmodemyanskaya
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| Discovery[1] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 31 August 1973 |
| Designations | |
| (2072) Kosmodemyanskaya | |
Named after | L. Kosmodemyanskaya (mother of Zoya and Aleksandr)[2] |
| 1973 QE2 · 1944 BD 1958 XY · 1962 XL1 1975 EL | |
| 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 |
| 2.4510 AU | |
| Eccentricity | 0.1633 |
| 3.84 yr (1,402 days) | |
| 113.25° | |
| 0° 15m 24.84s / day | |
| Inclination | 4.7419° |
| 26.200° | |
| 38.426° | |
| Physical characteristics | |
| Dimensions | 4.843±0.215 km[4][5] 8.93 km (calculated)[3] |
| 4.4 h[6] 10±1 h[7] | |
| 0.20 (assumed)[3] 0.522±0.098[5] 0.6805±0.1904[4] | |
| S[3] | |
| 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]
Kosmodemyanskaya orbits the Sun in the inner main-belt at a distance of 2.1–2.9 AU once every 3 years and 10 months (1,402 days). Its orbit has an eccentricity of 0.16 and an inclination of 5° with respect to the ecliptic.[1]
The asteroid was first identified as 1944 BD at Turku Observatory in 1944. Its first used observation is a precovery taken at Palomar Observatory in 1956, extending the body's observation arc by 17 years prior to the official discovery observation at Nauchnyj.[9]
