HD 101930 b
Discovery | |
---|---|
Discovered by | , Mayor, et al.[1] |
Discovery site | La Silla Observatory |
Discovery date | 14 February 2005 |
Detection method | Doppler spectroscopy (HARPS) |
Orbital characteristics | |
Apastron | 0.335 AU (50,100,000 km) |
Periastron | 0.077 AU (11,500,000 km) |
Semi-major axis | 0.302 AU (45,200,000 km) |
Eccentricity | 0.11 ± 0.02 |
Orbital period | 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 MEarth) |
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]
References[]
- ^ a b 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.
Coordinates: 11h 43m 30.11s, −58° 00′ 24.793″
Categories:
- Exoplanets discovered in 2005
- Giant planets
- Centaurus (constellation)
- Exoplanets detected by radial velocity
- Exoplanet stubs