Finding Earth 2.0
GJ 876 · M2.5V

GJ 876 d

Rank #901 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%measured

0.107

Earth-2.0 index

0.379

Earth Similarity Index

0%

Habitable-zone probability

2.51 R⊕

Radius

Planet

Mass6.830 M⊕measured
Bulk density2.370 g/cm³
Orbital period1.9378 days
Semi-major axis0.02081 au
Eccentricity0.207
Incident flux28.643 S⊕
Equilibrium temperature588.1 K
Maximum angular separation4.45 masReflected-light contrast 2.53e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 876
Spectral typeM2.5V
Effective temperature3294 K
Radius0.300 R☉
Mass0.320 M☉
Distance4.7 pc / 15.2 ly
DiscoveryRadial Velocity, 2005