GJ 1289 · M4.5 Ve
GJ 1289 b
Rank #824 of the ranked catalogue · Discovered by Radial Velocity in 2024
HZ 0%M sin i
0.108
Earth-2.0 index
0.464
Earth Similarity Index
0%
Habitable-zone probability
2.38 R⊕
Radius
Planet
Mass6.270 M⊕M sin i
Bulk density2.560 g/cm³
Orbital period111.7400 days
Semi-major axis0.27000 au
Eccentricity0.000
Incident flux0.075 S⊕
Equilibrium temperature133.2 K
Maximum angular separation32.33 masReflected-light contrast 1.35e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 1289
Spectral typeM4.5 Ve
Effective temperature3296 K
Radius0.245 R☉
Mass0.210 M☉
Distance8.4 pc / 27.2 ly
DiscoveryRadial Velocity, 2024