Back 2006 Polonskaya (كويكب) ARZ (2006) Полонская CE (2006) Polonskaya German 2006 Πολόνσκαγια Greek 2006 Polonskaya Esperanto (2006) Polonskaya Spanish 2006 Polonskaya Basque سیارک ۲۰۰۶ Persian (2006) Polonskaïa French 2006 Polonskaya Hungarian
| Discovery[1] | |
|---|---|
| Discovered by | N. Chernykh |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 22 September 1973 |
| Designations | |
| (2006) Polonskaya | |
Named after | Elena Polonskaïa (Russian astronomer)[2] |
| 1973 SB3 · 1941 SD 1948 QH · 1966 VC | |
| main-belt · Flora[3] | |
| Orbital characteristics[4] | |
| Epoch 17 December 2020 (JD 2459200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 70.93 yr (25,909 d) |
| Aphelion | 2.7721 AU |
| Perihelion | 1.8777 AU |
| 2.3249 AU | |
| Eccentricity | 0.1923 |
| 3.55 yr (1,295 d) | |
| 107.39° | |
| 0° 16m 40.8s / day | |
| Inclination | 4.9106° |
| 0.8717° | |
| 24.849° | |
| Known satellites | 1[5][6][7] |
| Physical characteristics | |
| 4.625±0.163 km[8][9] 4.804 km[5][10] | |
Mean density | 1.6 g/cm3 (est.)[6] |
| 3.1183 h[11] | |
| 0.3498[10] 0.354±0.096[8][9] | |
| S (family-based)[5] | |
| 13.08[1][4] | |
| Discovery[6][7] | |
|---|---|
| Discovered by | D. Pray, P. Pravec, P. Kušnirák, W. Cooney, J. Gross, and D. Terrell |
| Discovery date | 1 November 2005 |
| Light curve | |
| Orbital characteristics | |
| 8.5 km | |
| 0.7979±0.0008 d (19 hours, 9 ± 1 minutes) | |
| 13 mas (maximum) | |
| Satellite of | 2006 Polonskaya |
| Physical characteristics | |
| 0.99 km | |
| Volume | 0.5 km3 (est.) |
| 6.6571±0.0002 h | |
| <3.3 fainter than primary | |
| 18.1 | |
2006 Polonskaya (provisional designation: 1973 SB3) is a stony Flora asteroid and asynchronous binary system from the inner regions of the asteroid belt, approximately 5 kilometers (3.1 miles) in diameter. It was discovered on 22 September 1973, by Soviet astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula, and later named after Ukrainian astronomer Elena Kazimirtchak-Polonskaïa.[1][2] Its one-kilometer-sized satellite was discovered by an international collaboration of astronomers in November 2005.[6][7]
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