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 biAsaph Hall
Discovery date12 August 1877
Designations
AdjectivesDeimosian
Orbital chairactereestics
Epoch 2012-Sep-21
(JD 2456191.5)
Periapsis23455.5 km[1]
Apoapsis23470.9 km[1]
23463.2 km[2]
Eccentricity0.00033[2]
1.263 d[2]
(30.312 h)
1.3513 km/s[3]
Inclination0.93° (tae Maurs's equator)
1.791° (tae the local Laplace plane)[2]
27.58° (to the ecliptic)
Satellite oMaurs
Pheesical chairacteristics
Dimensions15 × 12.2 × 11 km[4]
Mean radius
6.2 ± 0.18 km[5]
(0.97316 mEarths)
495.1548 km2[6]
(97.0755 µEarths)
Vollum999.78 km3[7]
(92.2979 nEarths)
Mass1.4762×1015 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]
Albedo0.068 ± 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 June 6, 2014.
  5. 5.0 5.1 5.2 5.3 "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). 13 July 2006. Retrieved 29 January 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.