HIP 5158 b is an extrasolar planet which orbits the K-type main sequence star HIP 5158, located approximately 130 light years away in the constellation Cetus. This planet was detected by HARPS on October 19, 2009, together with 29 other planets.
Discovery | |
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Discovered by | Lo Curto et al. |
Discovery site | La Silla Observatory |
Discovery date | October 19, 2009 |
Detection method | radial velocity (HARPS) |
Orbital characteristics | |
Semi-major axis | 0.89 AU (133,000,000 km)[1] |
Eccentricity | 0.52 ± 0.08[1] |
Orbital period (sidereal) | 345.72 ± 5.37[1] d |
Time of periastron | 2,454,580.49 ± 15.21[1] |
Argument of periastron | −108 ± 11[1] |
Semi-amplitude | 57 ± 11[1] |
Star | HIP 5158 |