HD 101930 b
HD 101930 b is an extrasolar planet orbiting the star HD 101930. It has a minimum mass a third of Jupiter's, nearly the same as Saturn's so it is thought to be a gas giant. It orbits the star closer than Mercury, and the orbit is slightly eccentric.[1]
| Discovery | |
|---|---|
| Discovered by | Lovis, Mayor, Pepe et al.[1] |
| Discovery site | La Silla Observatory |
| Discovery date | 14 February 2005 |
| Doppler spectroscopy (HARPS) | |
| Orbital characteristics | |
| Apastron | 0.335 AU (50,100,000 km) |
| Periastron | 0.077 AU (11,500,000 km) |
| 0.302 AU (45,200,000 km) | |
| Eccentricity | 0.11 ± 0.02 |
| 70.46 ± 0.18 d 0.1929 y | |
Average orbital speed | 46.8 |
| 2,453,145.0 ± 2.0 | |
| 251 ± 11 | |
| Semi-amplitude | 18.1 ± 0.4 |
| Star | HD 101930 |
| Physical characteristics | |
| Mass | >0.30 MJ (>95 M⊕) |
References
- Lovis, C.; et al. (2005). "The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117". Astronomy and Astrophysics. 437 (3): 1121–1126. arXiv:astro-ph/0503660. Bibcode:2005A&A...437.1121L. doi:10.1051/0004-6361:20052864.
External links
- "HD 101930". Exoplanets. Archived from the original on 2016-03-03. Retrieved 2008-10-31.
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