GJ 357 d
Description: Gliese 357 d is an exoplanet, considered to be a "Super-Earth" within the circumstellar habitable zone of its parent star. The planet orbits Gliese 357, 31 light-years from the Solar System, The system is part of the Hydra constellation.
Physical Properties
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 0.209 RJ
Density: 2.62 g/cm³
Equilibrium Temperature: 219.6 K
Orbital Parameters
Orbital Period: 55.661 days
Semi-major Axis: 0.204 AU
Eccentricity: Unknown
Inclination: Unknown
Host Star Properties
Host Star: GJ 357
Spectral Type: M2.5 V
Temperature: 3505.0 K
Stellar Mass: 0.34 M☉
Stellar Radius: 0.34 R☉
Discovery Information
Planet Letter: d
Object ID: 3.12409
Host ID: 2.56006
Discovery Date: 2019-08
Discovery Year: 2019
Discovery Method: Radial Velocity
Discovery Locale: Multiple Locales
Discovery Facility: Multiple Observatories
Discovery Instrument: Multiple Instruments