| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HIP 5158 | |
| Constellation | Cetus | |
| Right ascension | (α) | 01h 06m 02.0482s |
| Declination | (δ) | –22° 27′ 11.350″ |
| Apparent magnitude | (mV) | 10.21 |
| Distance | 146.1 ± 14 ly (44.8 ± 4.3 pc) |
|
| Spectral type | K5V | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.89[1] AU |
| Eccentricity | (e) | 0.52 ± 0.08[1] |
| Orbital period | (P) | 345.72 ± 5.37[1] d |
| Argument of periastron |
(ω) | −108 ± 11[1]° |
| Time of periastron | (T0) | 2,454,580.49 ± 15.21[1] JD |
| Semi-amplitude | (K) | 57 ± 11[1] m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.42[1] MJ |
| Discovery information | ||
| Discovery date | October 19, 2009 | |
| Discoverer(s) | Lo Curto et al. | |
| Detection method | radial velocity (HARPS) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
HIP 5158 b is an extrasolar planet which orbits the K-type main sequence star HIP 5158, located approximately light years away in the constellation Cetus. This planet was detected by HARPS on October 19, 2009, together with 29 other planets.