244 Sita
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 14 October 1884 |
| Designations | |
|
A900 UA, 1957 KT, 1976 HY, 1979 FL3 | |
| Main belt (Flora family) | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 130.93 yr (47824 d) |
| Aphelion | 2.47317 AU (369.981 Gm) |
| Perihelion | 1.87531 AU (280.542 Gm) |
| 2.17424 AU (325.262 Gm) | |
| Eccentricity | 0.13749 |
| 3.21 yr (1171.0 d) | |
Average orbital speed | 20.2 km/s |
| 46.3767° | |
| 0° 18m 26.737s / day | |
| Inclination | 2.84423° |
| 208.982° | |
| 166.029° | |
| Earth MOID | 0.875159 AU (130.9219 Gm) |
| Jupiter MOID | 2.98577 AU (446.665 Gm) |
| Jupiter Tisserand parameter | 3.672 |
| Physical characteristics | |
| Dimensions |
10.95±0.8 km [1] 11 km [2] |
| Mass | ~2×1015 (estimate) |
Mean density | ~2.7 g/cm³ (estimate) [3] |
Equatorial surface gravity | ~0.004 m/s² (estimate) |
Equatorial escape velocity | ~0.007 km/s (estimate) |
| 129.51 h (5.396 d) | |
|
0.1941±0.033 [1] 0.194 [2] | |
| Temperature |
~184 K max: 279 K (+6°C) |
| S [4] | |
| 11.9 | |
|
| |
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.
References
- 1 2 3 "244 Sita". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
- 1 2 Supplemental IRAS Minor Planet Survey Archived June 23, 2006, at the Wayback Machine.
- ↑ G. A. Krasinsky, et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158: 98. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.
- ↑ PDS spectral class data
External links
- 244 Sita at the JPL Small-Body Database
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