HD 101930 b

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HD 101930 b
Exoplanet List of exoplanets
Parent star
Star HD 101930
Constellation Centaurus
Right ascension (α) 11h 43m 30.11s[1]
Declination (δ) –58° 00′ 24.79″[1]
Distance 95 ± 2[1] ly
(29.2 ± 0.7[1] pc)
Spectral type K1V
Orbital elements
Semi-major axis (a) 0.302 AU
Periastron (q) 0.077 AU
Apastron (Q) 0.335 AU
Eccentricity (e) 0.11 ± 0.02
Orbital period (P) 70.46 ± 0.18 d
(0.1929 y)
Orbital speed (υ) 46.8 km/s
Argument of
(ω) 251 ± 11°
Time of periastron (T0) 2,453,145.0 ± 2.0 JD
Semi-amplitude (K) 18.1 ± 0.4 m/s
Physical characteristics
Mass (m) >0.30 MJ
(>95 M)
Discovery information
Discovery date 14 February 2005
Discoverer(s) Lovis, Mayor,
Pepe et al.[2]
Discovery method Doppler spectroscopy
Discovery site La Silla Observatory
Discovery status Published[2]
Other designations
GJ 3683 b, HIP 57172 b
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

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.[2]


External links[edit]

Coordinates: Sky map 11h 43m 30.11s, −58° 00′ 24.793″