Mimas

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Mimas
Mimas is a moon of Saturn which was discovered in 1789 by William Herschel. It is named after Mimas, a son of Gaia in Greek mythology, and is also designated Saturn I. With a diameter of 396 kilometres it is the smallest astronomical body that is known to be rounded in shape because of self-gravitation. Mimas (moon) - Wikipedia, the free encyclopedia
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Additional Information

Short Description Mimas is a moon of Saturn which was discovered in 1789 by William Herschel. It is named after Mimas, a son of Gaia in Greek mythology, and is also designated Saturn I. With a diameter of 396 kilometres it is the smallest astronomical body that is known to be rounded in shape because of self-gravitation. Mimas (moon) - Wikipedia, the free encyclopedia
Discovered by William Herschel
Discovery date 17 September 1789
Type Moon
AddInfo Saturn I
Satellite of Saturn
Orbit Prograde
Rotation Synchronous
Apoapsis 06 189 176 km
Periapsis 06 181 902 km
Semi-major axis 06 185 539 km
Distance from Sun 01 9.554 909 au /10
Eccentricity 0.019 6
Orbital period 0.942 day
Orbital speed 02 14.28 km/s
Inclination to the equator 001.574°
Diameter/Size 03 396.4 ± 0.8 km | 0.12 Moons
Dimensions 415.6 × 393.4 × 381.2 km
Mass 1019×3.749 3 ± 0.003 1 kg | 0.0005 Moons
Density 01 1.147 9 ± 0.007 g/cm3
Surface gravity  0.064 m/s2 | 0.00648 g
Escape velocity 03 159 m/s
Rotation period 0.942 day
Axial tilt
Albedo geometric 0.962 ± 0.004
Temperature mean 02 64 K | −209 °C
Apparent magnitude 12.9
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