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2024
Discovered
6.3
Earth Masses
150
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,024
Discovery FacilityMultiple Observatories
Orbital Properties
Orbital Period111.74 days
Semi-Major Axis0.27 AU
Eccentricity0
Physical Properties
Mass (Jupiter)0.0197 MJ
Mass (Earth)6.27 M⊕
Eq. Temperature150 K
Planetary Extremes
Where GJ 1289 b sits on the spectrum of all known exoplanets.
Mass6.3 M⊕
FeatherweightColossus
Temperature150 K
FrozenInferno
Year Length111.7 days
LightningGlacial
Star Distance0.270 AU
ScorchedFrozen exile
Orbit Comparison
Earth: 365.25 days (1 AU)GJ 1289 b: 111.7 Earth days (0.270 AU)
Host Star: GJ 1289
Spectral TypeM4.5 Ve
Effective Temperature3,296 K
Mass0.21 M☉
Metallicity [Fe/H]0.02
Distance (pc)8.3515 pc
Distance (ly)27.2 light-years
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