Mimas

Int

Moon of Saturn

Astronomical specifications:

Discovery 1789 by Herschel
Orbital characteristics:
Distance from Saturn 185,520 km
Eccentricity 0.0202
Orbital periode about Saturn 0.942 days
Orbital speed 14.32 km/s
Inclination to Saturn equator 1.51 deg
Rings No
Physical characteristics:
Radius 198.30 km
Surface area 490,000 km²
Volume 3.3 x 107 km³
Mass 3.75 x 1019 kg
Density 1.15 g/cm³
Equatorial gravity 0.0636 m/s²
Escape velocity 0.159 km/s
Rotation period 0.942 days
Axial tilt 0 deg
Surface temperature 64 K
Atmospheric composition -

Image of Mimas, taken by the Cassini probe on August 1, 2005 at approximately 189,410 kilometres away.

Mimas missions:

Name Launch
Date		 Launch rocket Weight
(kg)		 Mission
Pioneer 11 (USA) 06-Apr-73 Atlas-Centaur 259 kg Flyby of Saturn moon Mimas at 103000 km on Sept 01, 1979
Voyager 1 (USA) 05-Sep-77 Titan-Centaur 815 kg Flyby of Saturn moon Mimas at 88231 km on Nov 13, 1980.
Cassini-Huygens (USA,ESA) 15-Oct-97 Titan-Centaur 5.634 kg The Cassini probe made the closest ever flyby of Saturn's moon Mimas (Saturn I) at 1723 UTC on Feb 13, 2010 passing 9520 km from the icy world's surface.

Ref.: #7(JR548), #98 - update: 10.04.12 Home