HD 142 b
Extrasolar planet in the constellation of Phoenix
From Wikipedia, the free encyclopedia
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]
DiscoverydateOct 15, 2001
| Discovery | |
|---|---|
| Discovered by | Anglo-Australian Planet Search team[1] |
| Discovery site | Australian Astronomical Observatory[1] |
| Discovery date | Oct 15, 2001 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.02 ± 0.03 AU (152,600,000 ± 4,500,000 km)[2] | |
| Eccentricity | 0.17 ± 0.06[2] |
| 349.7 ± 1.2[2] d | |
| Inclination | 59°±7°[3] |
| 2,452,683 ± 26[2] | |
| 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]
