Finding Earth 2.0
GJ 3473 · M4

GJ 3473 c

Rank #213 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 0%M sin i

0.123

Earth-2.0 index

0.667

Earth Similarity Index

0%

Habitable-zone probability

2.63 R⊕

Radius

Planet

Mass7.410 M⊕M sin i
Bulk density2.240 g/cm³
Orbital period15.5090 days
Semi-major axis0.08760 au
Eccentricity0.000
Incident flux1.950 S⊕
Equilibrium temperature300.4 K
Maximum angular separation3.20 masReflected-light contrast 1.56e-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 3473
Spectral typeM4
Effective temperature3347 K
Radius0.364 R☉
Mass0.360 M☉
Distance27.4 pc / 89.2 ly
DiscoveryRadial Velocity, 2020