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physical object > natural object > celestial body > natural satellite > Iapetus |
Iapetus comparison table |
Subject | is part of | is a kind of | is an instance of | has radiu | has eccetricity | has inclination | has definition | has period |
---|---|---|---|---|---|---|---|---|
natural satellite | satellite | Body orbiting a planet. Since 1957 the term has also been applied to man-made (artificial) satellites; many astronomers make the distinction by calling natural satellites moons (and the Earth's natural satellite the Moon). | ||||||
Iapetus | Saturn | natural satellite | 850±100 km | e = 0.028 | inclination 14°.7 to Saturn's orbital plane | The ninth satellite of Saturn. It has the most extreme variation in albedo of any satellite in the solar system (0.04 for the leading side, 0.28 for the trailing side). Discovered by Cassini in 1671. | 79d7h55m |
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