HD 142 b

HD 142 b is a jovian exoplanet approximately 85.5 light years away in the constellation of Phoenix. This planet was discovered in 2001 by the Anglo-Australian Planet Search team.^[1]

HD 142 b

Discovery
Discovered by	Anglo-Australian Planet Search team[1]
Discovery site	Australian Astronomical Observatory[1]
Discovery date	Oct 15, 2001
Detection method	Doppler spectroscopy
Orbital characteristics
Semi-major axis	1.02 ± 0.03 AU (152,600,000 ± 4,500,000 km)[2]
Eccentricity	0.17 ± 0.06[2]
Orbital period (sidereal)	349.7 ± 1.2[2] d
Inclination	59°±7°[3]
Time of periastron	2,452,683 ± 26[2]
Argument of periastron	327 ± 26[2]
Semi-amplitude	33.2 ± 2.5[2]
Star	HD 142
Physical characteristics
Mass	7.1±1.0 MJ[3]

An astrometric measurement of the planet's inclination and true mass was published in 2022 as part of Gaia DR3.^[3]