Finding Earth 2.0
GJ 1148 · M5

GJ 1148 c

Rank #4201 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.077

Earth-2.0 index

0.171

Earth Similarity Index

0%

Habitable-zone probability

9.71 R⊕

Radius

Planet

Mass68.060 M⊕M sin i
Bulk density0.409 g/cm³
Orbital period532.5800 days
Semi-major axis0.91200 au
Eccentricity0.342
Incident flux0.016 S⊕
Equilibrium temperature90.8 K
Maximum angular separation82.80 masReflected-light contrast 1.97e-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 1148
Spectral typeM5
Effective temperature3287 K
Radius0.358 R☉
Mass0.344 M☉
Distance11.0 pc / 35.9 ly
DiscoveryRadial Velocity, 2017