Finding Earth 2.0
GJ 328 · M0.0

GJ 328 c

Rank #1092 of the ranked catalogue · Discovered by Radial Velocity in 2023

HZ 9%M sin i

0.105

Earth-2.0 index

0.421

Earth Similarity Index

9%

Habitable-zone probability

4.91 R⊕

Radius

Planet

Mass21.400 M⊕M sin i
Bulk density0.993 g/cm³
Orbital period241.8000 days
Semi-major axis0.65700 au
Eccentricity
Incident flux0.193 S⊕
Equilibrium temperature168.4 K
Maximum angular separation32.01 masReflected-light contrast 9.69e-9 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 coverage64%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 328
Spectral typeM0.0
Effective temperature3897 K
Radius0.630 R☉
Mass0.650 M☉
Distance20.5 pc / 67.0 ly
DiscoveryRadial Velocity, 2023