Finding Earth 2.0
GJ 433 · M2V

GJ 433 d

Rank #34 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 100%M sin i

0.259

Earth-2.0 index

0.751

Earth Similarity Index

100%

Habitable-zone probability

2.14 R⊕

Radius

Planet

Mass5.223 M⊕M sin i
Bulk density2.930 g/cm³
Orbital period36.0590 days
Semi-major axis0.17800 au
Eccentricity0.070
Incident flux0.631 S⊕
Equilibrium temperature226.6 K
Maximum angular separation19.64 masReflected-light contrast 2.51e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 433
Spectral typeM2V
Effective temperature3461 K
Radius0.500 R☉
Mass0.480 M☉
Distance9.1 pc / 29.6 ly
DiscoveryRadial Velocity, 2020