HD 196885 Ab
Extrasolar planet in the constellation Delphinus From Wikipedia, the free encyclopedia
Extrasolar planet in the constellation Delphinus From Wikipedia, the free encyclopedia
HD 196885 Ab (also referred to as HD 196885 b) is a Jovian planet with a minimum mass 2.96 times the mass of Jupiter.[1][2] This planet was discovered on October 23, 2007. In 2022, the planet's inclination and true mass were measured via astrometry, showing it to be about 3.39 MJ.[3]
Discovery | |
---|---|
Discovered by | Correia et al. |
Discovery site | La Silla Observatory |
Discovery date | October 23, 2007 |
Radial velocity | |
Orbital characteristics | |
Apastron | 3.36 AU (503 Gm) |
Periastron | 1.24 AU (186 Gm) |
2.30 AU (344 Gm) | |
Eccentricity | 0.462 |
1349 d 3.693 y | |
Average orbital speed | 18.6 |
2451236 | |
91.4 | |
Semi-amplitude | 39.5 |
Star | HD 196885 A |