Finding Earth 2.0
NGC 2682 Sand 978 · K4 III

NGC 2682 Sand 978 b

Discovered by Radial Velocity in 2017

unknownM sin i

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

13.30 R⊕

Radius

Planet

Mass692.869 M⊕M sin i
Bulk density1.620 g/cm³
Orbital period511.2100 days
Semi-major axis— au
Eccentricity0.160
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation1.69 masReflected-light contrast 1.59e-8 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostNGC 2682 Sand 978
Spectral typeK4 III
Effective temperature4200 K
Radius21.017 R☉
Mass1.370 M☉
Distance821.9 pc / 2680.7 ly
DiscoveryRadial Velocity, 2017