GJ 3998 · M1
GJ 3998 b
Rank #1102 of the ranked catalogue · Discovered by Radial Velocity in 2016
HZ 0%M sin i
0.105
Earth-2.0 index
0.406
Earth Similarity Index
0%
Habitable-zone probability
1.39 R⊕
Radius
Planet
Mass2.500 M⊕M sin i
Bulk density5.120 g/cm³
Orbital period2.6503 days
Semi-major axis0.03000 au
Eccentricity0.000
Incident flux48.000 S⊕
Equilibrium temperature669.1 K
Maximum angular separation1.65 masReflected-light contrast 3.73e-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 3998
Spectral typeM1
Effective temperature3726 K
Radius0.500 R☉
Mass0.520 M☉
Distance18.1 pc / 59.2 ly
DiscoveryRadial Velocity, 2016