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]

HD 101930 b

Discovery
Discovered by	Lovis, Mayor, Pepe 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 (sidereal)	70.46 ± 0.18 d 0.1929 y
Average orbital speed	46.8
Time of periastron	2,453,145.0 ± 2.0
Argument of periastron	251 ± 11
Semi-amplitude	18.1 ± 0.4
Star	HD 101930
Physical characteristics
Mass	>0.30 MJ (>95 M🜨)