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Discovery[1] and designation
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|---|---|
| Discovered by | N. S. Chernykh |
| Discovery date | 22 September 1973 |
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Designations
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| Alternate name(s) | |
| Minor planet category |
Main belt |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 415.038 Gm (2.774 AU) |
| Perihelion | 280.622 Gm (1.876 AU) |
| Semi-major axis | 347.830 Gm (2.325 AU) |
| Eccentricity | 0.193 |
| Orbital period | 1294.973 d (3.55 a) |
| Average orbital speed | 19.35 km/s |
| Mean anomaly | 241.079° |
| Inclination | 4.918° |
| Longitude of ascending node | 1.107° |
| Dimensions | 10 km |
| Mass | ?×10? kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Equatorial escape velocity | ? km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10 |
| Temperature | ~183 K |
| Spectral type | ? |
| Absolute magnitude (H) | 12.6 |
2006 Polonskoya is main belt asteroid. It was discovered on 22 September 1973 by N. S. Chernykh and named after Elene Ivanovna Kazimirchak-Polonskaya, a Russian astronomer. Polonskaya's diameter is approximately 10 km.
In 2005, it was claimed that lightcurve observations indicate that Polonskaya has a small moon about 3 km in diameter. The moon's existence has not yet been confirmed.
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