Finding Earth 2.0
GJ 3470 · M1.5

GJ 3470 b

Rank #1603 of the ranked catalogue · Discovered by Radial Velocity in 2012

HZ 0%measured

0.099

Earth-2.0 index

0.277

Earth Similarity Index

0%

Habitable-zone probability

4.57 R⊕

Radius

Planet

Mass13.900 M⊕measured
Bulk density0.800 g/cm³
Orbital period3.3367 days
Semi-major axis0.03550 au
Eccentricity0.017
Incident flux29.658 S⊕
Equilibrium temperature593.2 K
Maximum angular separation1.21 masReflected-light contrast 2.88e-6 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 3470
Spectral typeM1.5
Effective temperature3600 K
Radius0.547 R☉
Mass0.539 M☉
Distance29.4 pc / 96.0 ly
DiscoveryRadial Velocity, 2012