Finding Earth 2.0
GJ 273 · M3.5

GJ 273 c

Rank #239 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.122

Earth-2.0 index

0.676

Earth Similarity Index

0%

Habitable-zone probability

1.06 R⊕

Radius

Planet

Mass1.180 M⊕M sin i
Bulk density5.440 g/cm³
Orbital period4.7234 days
Semi-major axis0.03647 au
Eccentricity0.170
Incident flux6.660 S⊕
Equilibrium temperature408.4 K
Maximum angular separation6.16 masReflected-light contrast 1.47e-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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 273
Spectral typeM3.5
Effective temperature3382 K
Radius0.293 R☉
Mass0.290 M☉
Distance5.9 pc / 19.3 ly
DiscoveryRadial Velocity, 2017