81 Ceti b

81 Ceti b
Discovery
Discovered bySato et al.
Discovery dateJuly 2, 2008
Doppler Spectroscopy
Orbital characteristics
2.5 AU (370,000,000 km)
Eccentricity0.206 ± 0.029
952.7 ± 8.8 d
2486 ± 26
175 ± 69
Star81 Ceti
Physical characteristics
1.14 RJ Estimate
Mass5.30 MJ[1][2]

81 Ceti b (abbreviated 81 Cet b) is an extrasolar planet approximately 331 light years away in the constellation of Cetus. It is estimated to be 5.3 times the mass of Jupiter which also makes it a gas giant.[1][2] It orbits the K-type giant star 81 Ceti at an average distance of 2.5 AU, taking about 2.6 years to revolve with an eccentricity of 0.206.[3]

  1. ^ a b NASA 7012
  2. ^ a b 81 Ceti b
  3. ^ Cite error: The named reference Sato2008 was invoked but never defined (see the help page).