79 Ceti b

79 Ceti b (also known as HD 16141 b) is an extrasolar planet orbiting 79 Ceti every 75 days. Discovered along with HD 46375 b on March 29, 2000, it was the joint first known extrasolar planet to have minimum mass less than the mass of Saturn.^[1][2]

79 Ceti b

An artist's conception of 79 Ceti b (min mass ~0.26 MJ), an exoplanet with a mass less than Saturn
Discovery[1][2]
Discovered by	California and Carnegie Planet Search
Discovery site	W. M. Keck Observatory
Discovery date	March 29, 2000
Detection method	Doppler spectroscopy
Orbital characteristics
Semi-major axis	0.363 ± 0.021 AU (54,300,000 ± 3,100,000 km)
Eccentricity	0.252±0.052
Orbital period (sidereal)	75.523±0.055 d
Time of periastron	2,450,338.0±3.0
Argument of periastron	42±14
Semi-amplitude	11.99±0.87
Star	79 Ceti
Physical characteristics
Mass	>0.260±0.028 MJ

See also

• 94 Ceti b