Finding Earth 2.0
GJ 3929 · M3.5 V

GJ 3929 c

Rank #138 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.127

Earth-2.0 index

0.727

Earth Similarity Index

0%

Habitable-zone probability

2.26 R⊕

Radius

Planet

Mass5.710 M⊕M sin i
Bulk density2.720 g/cm³
Orbital period15.0400 days
Semi-major axis0.08100 au
Eccentricity0.000
Incident flux1.680 S⊕
Equilibrium temperature289.4 K
Maximum angular separation5.12 masReflected-light contrast 1.35e-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 3929
Spectral typeM3.5 V
Effective temperature3384 K
Radius0.320 R☉
Mass0.313 M☉
Distance15.8 pc / 51.6 ly
DiscoveryRadial Velocity, 2022