Deimos (muin)
 An enhanced-colour image o Deimos (MRO, 21 Februar 2009). Image: NASA/JPL-Caltech/Varsity o Arizona | |
| Discovery | |
|---|---|
| Discovered bi | Asaph Hall |
| Discovery date | 12 August 1877 |
| Designations | |
| Adjectives | Deimosian |
| Orbital chairactereestics | |
| Epoch 2012-Sep-21 (JD 2456191.5) | |
| Periapsis | 23455.5 km |
| Apoapsis | 23470.9 km |
| 23463.2 km[1] | |
| Eccentricity | 0.00033[1] |
| 1.263 d[1] (30.312 h) | |
Average orbital speed | 1.3513 km/s[2] |
| Inclination | 0.93° (tae Maurs's equator) 1.791° (tae the local Laplace plane)[1] 27.58° (to the ecliptic) |
| Satellite o | Maurs |
| Pheesical chairacteristics | |
| Dimensions | 15 × 12.2 × 11 km[3] |
Mean radius | 6.2 ± 0.18 km[4] (0.97316 mEarths) |
Surface area | 495.1548 km2 (97.0755 µEarths) |
| Vollum | 999.78 km3 (92.2979 nEarths) |
| Mass | 1.4762×1015 kg[2] (24.7179 nEarths) |
Mean density | 1.471±0.166 g/cm3[4] |
| 0.003 m/s2[2] (306 µg) | |
| 5.556 m/s (20 km/h)[2] | |
| Synchronous[1] | |
| Albedo | 0.068 ± 0.007[4] |
| Temperatur | ≈ 233 K |
| 12.45 ± 0.05 [4] | |
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Deimos (seestematic designation: Maurs II)[5] is the smawer an ootermair o the twa naitural satellites o the planet Mars wi a mean radius o 6.2 km,[1] the ither bein Phobos.
References
[eedit | edit soorce]- 1 2 3 4 5 6 "HORIZONS Web-Interface". NASA. 21 September 2013. Retrieved 4 December 2013.
- 1 2 3 4 "Mars: Moons: Deimos". NASA Solar System Exploration. 30 September 2003. Archived frae the original on 12 October 2012. Retrieved 2 December 2013.
- ↑ "Deimos". Retrieved 6 Juin 2014.
- 1 2 3 4 "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). 13 Julie 2006. Retrieved 29 Januar 2008.
- ↑ Blunck, Jürgen (2009). "The Satellites of Mars; Discovering and Naming the Satellites". Solar System Moons: Discovery and Mythology. Springer. p. 5. ISBN 978-3-540-68852-5.
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