HD 114783 b

HD 114783 b
Discovery
Discovered by	Vogt, Butler,; Marcy et al.
Discovery site	Keck Observatory
Discovery date	October 15, 2001
Detection method	Radial velocity
Orbital characteristics
Apastron	1.268 AU (189,700,000 km)
Periastron	1.070 AU (160,100,000 km)
Semi-major axis	1.169 ± 0.068 AU (174,900,000 ± 10,200,000 km)
Eccentricity	0.085 ± 0.033
Orbital period (sidereal)	496.9 ± 2.3 d; 1.360 y
Average orbital speed	25.69
Time of periastron	2,450,840; ±37
Argument of periastron	93 ± 25
Semi-amplitude	30.2±0.75
Star	HD 114783

HD 114783 b is an exoplanet that has a minimum mass almost exactly that of Jupiter. However, since the true mass is not known, it may be more massive, but not likely much. It orbits the star 20% further than Earth orbits the Sun. The orbit is quite circular.^[1]^[2]

^ Cite error: The named reference Vogt2002 was invoked but never defined (see the help page).
^ Cite error: The named reference Butler2006 was invoked but never defined (see the help page).

[Vogt2002-1] Cite error: The named reference Vogt2002 was invoked but never defined (see the help page).

[Butler2006-2] Cite error: The named reference Butler2006 was invoked but never defined (see the help page).

[1]

[2]

Discovery
Discovered by	Vogt, Butler, Marcy et al.
Discovery site	Keck Observatory
Discovery date	October 15, 2001
Detection method	Radial velocity
Orbital characteristics
Apastron	1.268 AU (189,700,000 km)
Periastron	1.070 AU (160,100,000 km)
Semi-major axis	1.169 ± 0.068 AU (174,900,000 ± 10,200,000 km)
Eccentricity	0.085 ± 0.033
Orbital period (sidereal)	496.9 ± 2.3 d 1.360 y
Average orbital speed	25.69
Time of periastron	2,450,840 ±37
Argument of periastron	93 ± 25
Semi-amplitude	30.2±0.75
Star	HD 114783