Deimos (muin)

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Deimos
Deimos
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[1]
Apoapsis 23470.9 km[1]
23463.2 km[2]
Eccentricity 0.00033[2]
1.263 d[2]
(30.312 h)
1.3513 km/s[3]
Inclination 0.93° (tae Maurs's equator)
1.791° (tae the local Laplace plane)[2]
27.58° (to the ecliptic)
Satellite o Maurs
Pheesical chairacteristics
Dimensions 15 × 12.2 × 11 km[4]
Mean radius
6.2 ± 0.18 km[5]
(0.97316 mEarths)
495.1548 km2[6]
(97.0755 µEarths)
Vollum 999.78 km3[7]
(92.2979 nEarths)
Mass 1.4762×1015 kg[3]
(24.7179 nEarths)
Mean density
1.471±0.166 g/cm3[5]
0.003 m/s2[3]
(306 µg)
5.556 m/s
(20 km/h)[3]
Synchronous[2]
Albedo 0.068 ± 0.007[5]
Temperatur ≈ 233 K
12.45 ± 0.05 [5]

Deimos (seestematic designation: Maurs II)[8] is the smawer an ootermair o the twa naitural satellites o the planet Mars wi a mean radius o 6.2 km,[2] the ither bein Phobos.

References[eedit | eedit soorce]

  1. 1.0 1.1 "Apsis". Wikipedia. 21 November 2013. Retrieved 4 December 2013. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 "HORIZONS Web-Interface". NASA. 21 September 2013. Retrieved 4 December 2013. 
  3. 3.0 3.1 3.2 3.3 "Mars: Moons: Deimos". NASA Solar System Exploration. 30 September 2003. Retrieved 2 December 2013. 
  4. "Deimos". Retrieved Juin 6, 2014. 
  5. 5.0 5.1 5.2 5.3 "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). 13 Julie 2006. Retrieved 29 Januar 2008. 
  6. "Surface area". Wikipedia. 25 November 2013. Retrieved 4 December 2013. 
  7. "Volume". Wikipedia. 26 November 2013. Retrieved 4 December 2013. 
  8. 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.