244 Sita
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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | October 14, 1884 |
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Designations
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| Alternative names | A900 UA, 1957 KT, 1976 HY, 1979 FL3 |
| Minor planet category |
Main belt (Flora family) |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 369.964 Gm (2.473 AU) |
| Perihelion | 280.787 Gm (1.877 AU) |
| Semi-major axis | 325.375 Gm (2.175 AU) |
| Eccentricity | 0.137 |
| Orbital period | 1171.6 d (3.21 a) |
| Average orbital speed | 20.2 km/s |
| Mean anomaly | 195.234° |
| Inclination | 2.843° |
| Longitude of ascending node | 209.099° |
| Argument of perihelion | 166.116° |
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Physical characteristics
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| Dimensions | 11 km [1] |
| Mass | ~2×1015 (estimate) |
| Mean density | ~2.7 g/cm³ (estimate) [2] |
| Equatorial surface gravity | ~0.004 m/s² (estimate) |
| Escape velocity | ~0.007 km/s (estimate) |
| Rotation period | unknown |
| Albedo | 0.194 [1] |
| Temperature | ~184 K max: 279 K (+6°C) |
| Spectral type | S [3] |
| Absolute magnitude | 12.2 |
244 Sita is an asteroid belonging to the Flora family in the Main Belt.
It was discovered by Johann Palisa on October 14, 1884 in Vienna.
[edit] References
- ^ a b Supplemental IRAS Minor Planet Survey
- ^ G. A. Krasinsky et al (2002). "Hidden Mass in the Asteroid Belt". Icarus 158: 98. doi:.
- ^ PDS spectral class data
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