5385 Kamenka
5385 Kamenka, provisional designation 1975 TS3, is a background asteroid from the outer regions of the asteroid belt, approximately 16 kilometers (10 miles) in diameter. It was discovered on 3 October 1975, by Soviet astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula. The presumed C-type asteroid has a rotation period of 6.68 hours. It was named for the Ukrainian town of Kamianka.
| Discovery | |
|---|---|
| Discovered by | L. Chernykh |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 3 October 1975 |
| Designations | |
MPC designation | (5385) Kamenka |
Named after | Kamianka (Ukrainian town) |
Alternative designations | 1975 TS3 · 1975 UG 1986 TY1 |
Minor planet category | main-belt · (outer) background |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.01 yr (23,016 d) |
| Aphelion | 3.8787 AU |
| Perihelion | 2.4352 AU |
Semi-major axis | 3.1570 AU |
| Eccentricity | 0.2286 |
Orbital period (sidereal) | 5.61 yr (2,049 d) |
Mean anomaly | 253.72° |
Mean motion | 0° 10m 32.52s / day |
| Inclination | 9.7974° |
Longitude of ascending node | 41.394° |
| 301.79° | |
| Physical characteristics | |
Mean diameter | 14.10±3.89 km 15.38±4.01 km 16.768±0.317 km 20.21 km (calculated) |
Synodic rotation period | 5.93±0.04 h 6.683±0.008 h |
| 0.057 (assumed) 0.0828±0.0192 0.083±0.019 0.11±0.06 0.11±0.11 | |
| C (assumed) | |
| 12.20 12.24±0.11 (R) 12.52 12.59±0.27 | |
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