• Paul G. Abel
Part of the The Patrick Moore Practical Astronomy Series book series (PATRICKMOORE)


Distance from the Sun: 815,700,000 km (max), 740,900,000 km (min)

Diameter: 142,884 km

Sidereal Period: 11.86 years

Synodic Period: 398.88 days

Rotational Period: System I (Equator): 9 h 50 min 30.003 s

System II (Everywhere Else): 9 h 55 min 40.623 s

System III (Magnetosphere): 9 h 55 min 29.711 s

Mean Surface Temperature: –150 °C

Apparent Diameter: 50.1″ (max.), 30.4″ (min.)

Albedo: 0.43

Brightest Apparent Magnitude: –2.6

Satellites: 66 (known)


Equatorial Zone Galilean Satellite Equatorial Belt Bright Zone Amateur Astronomer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Paul G. Abel
    • 1
  1. 1.LeicesterUK

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