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Minmus is a small moon of Kerbin. From the surface of Kerbin or Mun, it is a cyan speck one or two pixels wide which appears to slightly oscillate vertically. This is a result of viewing its rotation from afar. Up close, it is off white in appearance with what seem to be icy buttes, large hills, and frozen lakes. The highest areas are over 5.7 km in altitude. It requires more delta-v to reach Minmus orbit than Mun orbit, however it is easier to land on the surface and return.

Orbital Characteristics

  • Synodic Period from Kerbin's Surface: 14 days, 3 hours, 1 second (1220401 seconds)

Synchronous orbit around Minmus is possible at an altitude of 0.00 m.

Jumping on this moon will make you ascend 10m from the ground.

It is important to be careful when attempting to return to Kerbin from Minmus, as Minmus' high orbit makes it very easy to escape Kerbin's sphere of influence entirely. However, this means that a base on or in orbit around Minmus would make a convenient refueling station for vessels leaving the Kerbin system.


Minmus has a very uneven surface, with substantial areas over 5 km high and a maximum terrain elevation of 5725 m. The vast majority of the surface is rolling hills, with lakes of a frozen substance (or salt, as Minmus is too close to the Sun for water ice to form) concentrated near the equator.[1] The lakes are almost perfectly flat and mostly at datum altitude (0 m). Minmus also has some mesas which are so high compared to Minmus' sphere of influence, that they still count as in orbit according to the navigation tools. Unless the player manually switches the navball to Surface mode, this makes landing on these plateaus more challenging, as the direction marker and speed will not automatically correct for the rotation of the surface.

For most landings (non-plateau and non-lake), expect touchdown at an altitude of between 2000m and 2500m.

Reference Frames

Time warp Minimum Altitude
5× 3 000 m
10× 3 000 m
50× 6 000 m
100× 12 000 m
1 000× 24 000 m
10 000× 48 000 m
100 000× 60 000 m



  • The name "Minmus" may be derived from the Latin word "minimus", which denotes the smallest member of a group of beings or creatures. Minmus is the smallest member of the Kerbin system.
  • It's also possible that Minmus is named after Saturn's moon Mimas.
  • It is possible to land and takeoff from Minmus with the EVA jetpack at 100% fuel.


  • Minmus is no longer tidally locked to Kerbin.[2]
  • Minmus' mass reduced. [3]
  • Synchronous orbit is now possible. Previously, it would have required an altitude of 0.00 m, outside Minmus' sphere of influence.
  • Initial Release

See also

Tutorial on travelling from Kerbin to Minmus


  1. http://kerbalspaceprogram.com/forum/index.php?topic=13530.msg219016#msg219016
  2. http://www.reddit.com/r/KerbalSpaceProgram/comments/10q9z2/minmus_lost_its_tidal_lock_to_kerbin_in_v017/
  3. http://kerbalspaceprogram.com/forum/showthread.php/24156-Is-Minmus-on-a-weight-loss-program