G 9-40 b

G 9-40 b is a Super-Earth exoplanet that has an orbital period of 5.7 days. The host star is a red dwarf located 91 light years away from Earth between Cancer and Hydra. The planet was discovered in 2019.

G 9-40 b
Discovery
Discovery date	December 2019
Detection method	radial velocity and transit
Orbital characteristics
Semi-major axis	0.0385^+0.0078 _−0.0053 AU
Eccentricity	0
Orbital period (sidereal)	5.7459982±0.0000020 d
Inclination	88.57^+0.63 _−0.47
Physical characteristics
Mean radius	1.900±0.065`R`_🜨
Mass	4.00±0.63`M`_E
Mean density	3.20^+0.63 _−0.58
Surface gravity	10.8±1.8 m/s²
Temperature	440.6±7.6

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.