GJ 414 A c

GJ 414 A c Image

Description: Gliese 414 Ac, or GJ 414 Ac, is an exoplanet orbiting Gliese 414 A, a K-type main-sequence star located 39 light-years from Earth, in the constellation Ursa Major. It is classified as a super-Neptune exoplanet, being at least 54 times more massive than the Earth and about 8.5 times larger. Gliese 414 Ac orbits its parent star at a distance of 1.4 astronomical units and completes one revolution around it every 2 years and 20 days. It is one of the two planets orbiting Gliese 414 A, the other is Gliese 414 Ab, a sub-Neptune.

Physical Properties

Mass (Jupiter mass): Unknown

Radius (Jupiter radius): 0.749 RJ

Density: 0.499 g/cm³

Equilibrium Temperature: 124.7 K

Orbital Parameters

Orbital Period: 749.83 days

Semi-major Axis: 1.4 AU

Eccentricity: 0.105

Inclination: Unknown

Host Star Properties

Host Star: GJ 414 A

Spectral Type: K7 V

Temperature: 4120.0 K

Stellar Mass: 0.65 M☉

Stellar Radius: 0.68 R☉

Discovery Information

Planet Letter: c

Object ID: 3.12683

Host ID: 2.56336

Discovery Date: 2021-02

Discovery Year: 2021

Discovery Method: Radial Velocity

Discovery Locale: Ground

Discovery Facility: W. M. Keck Observatory

Discovery Instrument: HIRES Spectrometer

Back to List