352 Gisela
|
A three-dimensional model of 352 Gisela based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 12 January 1893 |
| Designations | |
|
1893 B; A895 XA; 1950 XT | |
| Main belt (Flora family) | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.47 yr (42905 d) |
| Aphelion | 2.52149 AU (377.210 Gm) |
| Perihelion | 1.86634 AU (279.200 Gm) |
| 2.19392 AU (328.206 Gm) | |
| Eccentricity | 0.14931 |
| 3.25 yr (1186.9 d) | |
Average orbital speed | 20.11 km/s |
| 74.6135° | |
| 0° 18m 11.88s / day | |
| Inclination | 3.38092° |
| 247.353° | |
| 144.194° | |
| Earth MOID | 0.872016 AU (130.4517 Gm) |
| Jupiter MOID | 2.90357 AU (434.368 Gm) |
| Jupiter Tisserand parameter | 3.654 |
| Physical characteristics | |
| Dimensions | 20.27±2.9 km |
| Mass | ~1×1016 (estimate) |
Mean density | ~2.7 g/cm³ (estimate) [2] |
Equatorial surface gravity | ~0.007 m/s² (estimate) |
Equatorial escape velocity | ~0.01 km/s (estimate) |
| 7.4796 ± 0.0002 h (0.3116500 ± 8.3×10−6 d)[3] | |
| 0.4261±0.153 [1] | |
| Temperature |
~168 K max: 256 K (-16 °C) |
| S [1] | |
| 10.01,[1] 10.22 [4] | |
|
| |
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352 Gisela is an asteroid belonging to the Flora family[3] in the Main Belt that has an unusually high albedo.
It was discovered by Max Wolf on January 12, 1893 in Heidelberg.
References
- 1 2 3 4 Yeomans, Donald K., "352 Gisela", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 11 May 2016.
- ↑ Krasinsky, G. A.; Pitjeva, E. V.; Vasilyev, M. V.; Yagudina, E. I. (2002), "Hidden Mass in the Asteroid Belt", Icarus, 158: 98, Bibcode:2002Icar..158...98K, doi:10.1006/icar.2002.6837.
- 1 2 Kryszczynska, A.; et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region". Astronomy & Astrophysics. 546: 51. Bibcode:2012A&A...546A..72K. doi:10.1051/0004-6361/201219199. A72.
- ↑ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
External links
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