NN Ser · WD
NN Ser c
Discovered by Eclipse Timing Variations in 2010
unknownmeasured
—
Earth-2.0 index
—
Earth Similarity Index
—
Habitable-zone probability
12.60 R⊕
Radius
Planet
Mass2329.600 M⊕measured
Bulk density6.400 g/cm³
Orbital period6987.0000 days
Semi-major axis5.35000 au
Eccentricity0.089
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation10.37 masReflected-light contrast 9.63e-10 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 coverage56%0% median composite-to-default difference over shared parameters.
Host star & system
HostNN Ser
Spectral typeWD
Effective temperature57000 K
Radius— R☉
Mass0.535 M☉
Distance515.8 pc / 1682.4 ly
DiscoveryEclipse Timing Variations, 2010