- Moon Name: Mimas
- Designation: Saturn I
- Date Discovered: September 17th, 1789
- Discovered by: William Herschel
- Average Orbit of Saturn: 115,228 miles
- Total Mass: 41,342,931,106,502,520 tons
- Surface Area: 190,598.46 square miles
14 Mimas Facts for Kids
- Mimas is one of Saturn’s 82 known moons (natural satellites).
- Mimas is named after a Greek mythology Gigantes (Giants).
- Mimas is also designated as Saturn I.
- Mimas was discovered on September 17th, 1789 by William Herschel.
- William Herschel discovered Mimas using a 40′ telescope with a 48″ aperture.
- The average orbit distance for Mimas is 115,288 mi.
- The diameter of the moon Mimas is 246.31 mi.
- The surface area of the moon Mimas is 190,598.46 mi2.
- It takes Mimas about 23 hours to complete a full orbit around Saturn.
- The largest impact crater on Mimas is 81 mi across and known as Herschel.
- If Earth was hit by an asteroid or comet that would make a crater relative in size to Herschel it would have a diameter over 2,500 mi, that’s wider the continent of Australia.
- Mimas is the smallest astronomical body in our Solar System known to be shaped by its own gravity.
- Mimas has been photographed by Pioneer 11, Voyager 1, Voyager 2 and Cassini.
- Many people compare the Death Star from the film Star Wars to Mimas. The Herschel Crater gives it a striking resemblance to the fictional space station.
Pictures of Saturn’s Moon Mimas
A wonderful close-up photo of Saturn’s moon Mimas.
A photo of the moon Mimas near two of Saturn’s rings.
A photo of the moon Mimas showing impact craters.
Additional Resources on Saturn’s Moon Mimas
- In Depth View of Mimas – Discover Saturn’s moon Mimas on the NASA Science Solar System Exploration website.
- Mimas Moon Data – Compare the moon Mimas and our planet Earth on the NASA Science Solar System Exploration website.
- Mimas Moon Pictures – View photos of the moon Mimas taken my NASA spacecrafts on the JPL Photojournal website.
- Mimas (Moon) – Wikipedia – Learn more about the Saturn’s moon Mimas on the Wikipedia website.