HD 87883 b
HD 87883 b is an extrasolar planet which orbits the K-type main sequence star HD 87883, located approximately 59 light years away in the constellation Leo Minor. It is a long-period planet, taking seven and a half years to orbit the star at the average distance of 3.60 AU. However this planet orbits in a very eccentric path, which ranges distance from as close as 1.69 AU to as far as 5.51 AU. This planet was detected by radial velocity method on August 13, 2009.[1]
| Discovery | |
|---|---|
| Discovery date | August 13, 2009 |
| Radial velocity | |
| Orbital characteristics | |
| Apastron | 5.51 AU (824,000,000 km) |
| Periastron | 1.69 AU (253,000,000 km) |
| 3.60±0.08 AU | |
| Eccentricity | 0.53±0.12 |
| 2754±87 d 7.54±0.24 y | |
| 11139±90 | |
| 191±15 | |
| Star | HD 87883 |
References
- Fischer, Debra; et al. (2009). "Five planets and an independent confirmation of HD 196885 Ab from Lick Observatory". The Astrophysical Journal. 703 (2): 1545–1556. arXiv:0908.1596. Bibcode:2009ApJ...703.1545F. doi:10.1088/0004-637X/703/2/1545.
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