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Iapetus
Orbit data - Object data - Mythology - Links Go to the bottom of the page
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Photo of the satellite Iapetus of the planet Saturn
Iapetus   Saturn VIII

Hide this area Orbit data
Mean distance from the planet Saturn 3.561.300 km
Orbital period around the planet Saturn (sideric) 79,330 d
Mean orbital velocity 3,27 km/s
Orbital inclination 14,72 °
Eccentricity of the orbit around the planet Saturn 0,0283
Hide this area Object data
Discovered by Giovanni Domenico Cassini 1671
Mass 1,59 × 1021 kg
Equatorial radius 718 km
Mean density 1,02 g/cm³
Escape velocity 0,586 km/s
Rotational period (synchronous) 79,330 d
Albedo 0,05 - 0,5
Apparent magnitude + 10,2 - 11,9 mvis
Hide this area Mythology

Iapetus is the son Uranus and Gaia. Iapetus' wife is Clymene, with whom he has the four children Atlas, Menoetius, Prometheus and Epimetheus.

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File icon NASA (Voyager) - Iapetus: Saturn's Disappearing Moon
Astronomy Picture of the Day (Oct 15th 1995) - 339 × 316 (80 kB)
File icon NASA (Voyager 2) - The Saturn System
© Calvin J. Hamilton ("Views of the Solar System")
File icon NASA (Voyager 2) - Iapetus
© Calvin J. Hamilton ("Views of the Solar System")
File icon NASA (Voyager 2) - Iapetus
© Calvin J. Hamilton ("Views of the Solar System")
File icon Welcome to the Planets
Online version of the "Planetary Data System Educational CD-ROM"
File icon A Multimedia Tour of the Solar System - The Nine Planets
© William A. Arnett
© 2021 by Bernd Onasch - Imprint Go to the top of the page
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