GJ 9773 · M3.0 V
GJ 9773 b
Rank #5376 of the ranked catalogue · Discovered by Radial Velocity in 2025
HZ 0%M sin i
0.060
Earth-2.0 index
0.085
Earth Similarity Index
0%
Habitable-zone probability
14.20 R⊕
Radius
Planet
Mass172.581 M⊕M sin i
Bulk density0.331 g/cm³
Orbital period2965.0000 days
Semi-major axis2.92100 au
Eccentricity0.218
Incident flux0.002 S⊕
Equilibrium temperature54.4 K
Maximum angular separation183.47 masReflected-light contrast 4.10e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 9773
Spectral typeM3.0 V
Effective temperature3528 K
Radius0.362 R☉
Mass0.358 M☉
Distance15.9 pc / 51.9 ly
DiscoveryRadial Velocity, 2025