GJ 9827 · K7 V
GJ 9827 c
Rank #670 of the ranked catalogue · Discovered by Transit in 2017
HZ 0%measured
0.111
Earth-2.0 index
0.365
Earth Similarity Index
0%
Habitable-zone probability
1.13 R⊕
Radius
Planet
Mass1.860 M⊕measured
Bulk density7.142 g/cm³
Orbital period3.6481 days
Semi-major axis0.03950 au
Eccentricity0.000
Incident flux73.000 S⊕
Equilibrium temperature743.0 K
Transit-time σ at 203024.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.33 masReflected-light contrast 1.42e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 9827
Spectral typeK7 V
Effective temperature4236 K
Radius0.580 R☉
Mass0.620 M☉
Distance29.7 pc / 96.7 ly
DiscoveryTransit, 2017