NN Ser · WD
NN Ser d
Discovered by Eclipse Timing Variations in 2010
unknownmeasured
—
Earth-2.0 index
—
Earth Similarity Index
—
Habitable-zone probability
13.30 R⊕
Radius
Planet
Mass724.622 M⊕measured
Bulk density1.690 g/cm³
Orbital period2880.0000 days
Semi-major axis3.39000 au
Eccentricity0.240
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation6.57 masReflected-light contrast 2.67e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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