HIP 5158 c
HIP 5158 c is an extrasolar planet, orbiting the 10th magnitude K-type main sequence star HIP 5158 about 135 lightyears away from Earth, in the constellation Cetus.[1]
| Discovery | |
|---|---|
| Discovered by | HARPS |
| Discovery date | October 19, 2009 |
| radial velocity | |
| Orbital characteristics | |
| 7.7 AU (1.15×109 km) | |
| Star | HIP 5158 |
It orbits its primary star at an average distance (semi-major axis) of 7.7 AU. The actual orbital period is unknown, but is estimated to be somewhere in between 9,018 and 12,200 days. It travels with an eccentricity of 0.14. It also has an estimated mass 15.04 Mj. It was most likely discovered by HARPS on October 19, 2009, together with 29 other planets.
References
- Lo Curto, G.; et al. (2010). "The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample". Astronomy and Astrophysics. 512. A48. arXiv:1411.7048. Bibcode:2010A&A...512A..48L. doi:10.1051/0004-6361/200913523.
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