Finding Earth 2.0
GJ 27.1 · M0.5 V

GJ 27.1 b

Rank #751 of the ranked catalogue · Discovered by Radial Velocity in 2014

HZ 0%M sin i

0.110

Earth-2.0 index

0.555

Earth Similarity Index

0%

Habitable-zone probability

3.66 R⊕

Radius

Planet

Mass13.000 M⊕M sin i
Bulk density1.460 g/cm³
Orbital period15.8190 days
Semi-major axis0.10100 au
Eccentricity0.080
Incident flux2.549 S⊕
Equilibrium temperature321.2 K
Maximum angular separation4.28 masReflected-light contrast 2.28e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 27.1
Spectral typeM0.5 V
Effective temperature3542 K
Radius0.519 R☉
Mass0.530 M☉
Distance23.6 pc / 77.0 ly
DiscoveryRadial Velocity, 2014