55 Cancri b
Astronomical discovery
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55 Cancri b, occasionally designated 55 Cancri Ab, also named Galileo, is an exoplanet orbiting the Sun-like star 55 Cancri A every 14.65 days. It is the second planet in order of distance from its star, and is an example of a hot Jupiter, or... Wikipedia
Discovered: April 12, 1996
Orbits: 55 Cancri
Discoverers: Geoffrey Marcy and R. Paul Butler
Distance to Earth: 40.12 light years
Mass: 0.824 ± 0.007 MJ
Semi-amplitude: 71.32 ± 0.41
Semi-major axis: 0.115 ± 0.0000011 AU (17,203,760 ± 160 km)