Finding Earth 2.0
GJ 15 A · M1

GJ 15 A b

Rank #137 of the ranked catalogue · Discovered by Radial Velocity in 2014

HZ 0%M sin i

0.127

Earth-2.0 index

0.688

Earth Similarity Index

0%

Habitable-zone probability

1.55 R⊕

Radius

Planet

Mass3.030 M⊕M sin i
Bulk density4.470 g/cm³
Orbital period11.4407 days
Semi-major axis0.07200 au
Eccentricity0.094
Incident flux4.269 S⊕
Equilibrium temperature365.4 K
Maximum angular separation20.21 masReflected-light contrast 8.04e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 15 A
Spectral typeM1
Effective temperature3607 K
Radius0.380 R☉
Mass0.380 M☉
Distance3.6 pc / 11.6 ly
DiscoveryRadial Velocity, 2014