Difference between revisions of "Duna"

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(Atmosphere)
(Characteristics)
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== Characteristics ==
 
== Characteristics ==
  
*[http://en.wikipedia.org/wiki/Radius Equatorial Radius]: ... km
+
*[http://en.wikipedia.org/wiki/Radius Equatorial Radius]: 320km
  
 
*[http://en.wikipedia.org/wiki/Mass Mass]: 4.46e21kg to three significant figures. This figure was gained by a measure of speed and radius of a circular orbit at 46 million meters.
 
*[http://en.wikipedia.org/wiki/Mass Mass]: 4.46e21kg to three significant figures. This figure was gained by a measure of speed and radius of a circular orbit at 46 million meters.

Revision as of 00:38, 21 September 2012

Duna from the map view.
Duna from orbit, during Ikeset.
Duna's surface at Dawn.
An incomplete topographic map of Duna made with the ISA MapSat plugin

Duna is the fourth planet of the Kerbolar star system.

Characteristics

  • Mass: 4.46e21kg to three significant figures. This figure was gained by a measure of speed and radius of a circular orbit at 46 million meters.
  • Solar Day: ... hours, or ... hours, ... seconds.

Orbital Characteristics

Topography

Duna is a iron-rich planet which has greatly varying land altitude, the consequence of which is very difficult judgment of a safe landing position. Its mountainous ranges are a peril to landing craft, especially considering the thin atmosphere, where very little aerobraking can be done safely. It is important to slow one's ship down before coming into the atmosphere, to ensure a safe decent. Its two poles are very expansive and are the result of a thin atmosphere.

Atmosphere

Duna's atmosphere begins at approximately 41km. Parachutes work with a slightly low efficiency, making powered descent a required step of landing on the surface from orbit.

Natural Satellites

Duna's only natural satellite is the moon Ike.

See Also