GJ 887 · M1 V
GJ 887 b
Rank #304 of the ranked catalogue · Discovered by Radial Velocity in 2020
HZ 0%M sin i
0.120
Earth-2.0 index
0.578
Earth Similarity Index
0%
Habitable-zone probability
1.80 R⊕
Radius
Planet
Mass3.900 M⊕M sin i
Bulk density3.670 g/cm³
Orbital period9.2619 days
Semi-major axis0.06830 au
Eccentricity0.140
Incident flux7.800 S⊕
Equilibrium temperature424.8 K
Maximum angular separation20.78 masReflected-light contrast 1.21e-7 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 coverage83%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, 2020