Finding Earth 2.0
GJ 3929 · M3.5 V

GJ 3929 b

Rank #183 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.125

Earth-2.0 index

0.517

Earth Similarity Index

0%

Habitable-zone probability

1.09 R⊕

Radius

Planet

Mass1.750 M⊕measured
Bulk density7.300 g/cm³
Orbital period2.6162 days
Semi-major axis0.02520 au
Eccentricity0.000
Incident flux17.300 S⊕
Equilibrium temperature518.4 K
Transit-time σ at 20309.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.59 masReflected-light contrast 3.25e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%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
DiscoveryTransit, 2022