GJ 887 · M1 V
GJ 887 d
Rank #54 of the ranked catalogue · Discovered by Radial Velocity in 2026
HZ 70%M sin i
0.159
Earth-2.0 index
0.757
Earth Similarity Index
70%
Habitable-zone probability
2.34 R⊕
Radius
Planet
Mass6.100 M⊕M sin i
Bulk density2.620 g/cm³
Orbital period50.7700 days
Semi-major axis0.21200 au
Eccentricity—
Incident flux0.810 S⊕
Equilibrium temperature241.1 K
Maximum angular separation64.50 masReflected-light contrast 2.11e-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 coverage82%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 887
Spectral typeM1 V
Effective temperature3688 K
Radius0.468 R☉
Mass0.495 M☉
Distance3.3 pc / 10.7 ly
DiscoveryRadial Velocity, 2026