Gliese 422 b

Gliese 422 b is an exoplanet orbiting the red dwarf Gliese 422 (Innes' star). Gliese 422 b was discovered in 2014, and the discovery was confirmed in 2020.^[2] It has a minimum mass of about ten times that of Earth. ^[2]

Gliese 422 b

Discovery
Discovered by	M. Tuomi et al.[1]
Discovery date	3 March 2014[1]
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	0.111 AU (16,600,000 km)
Eccentricity	0.11±0.04[2]
Orbital period (sidereal)	20.129±0.005 d[2]
Semi-amplitude	4.49[1]
Star	Gliese 422 (Innes' star)

It is located on the inner edge of circumstellar habitable zone (HZ) of Gliese 422, which extends from 0.11 to 0.21 AU.^[1] Gliese 422 b's semi-major axis is 0.119 AU and its orbital period is 26.161 Earth days.^[1]