Finding Earth 2.0
2MASS J19383260+4603591

Kepler-451 d

Discovered by Eclipse Timing Variations in 2022

unknownM sin i

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

13.50 R⊕

Radius

Planet

Mass559.378 M⊕M sin i
Bulk density1.250 g/cm³
Orbital period43.0000 days
Semi-major axis— au
Eccentricity0.000
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.47 masReflected-light contrast 8.94e-7 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 coverage78%0% median composite-to-default difference over shared parameters.

Host star & system

Host2MASS J19383260+4603591
Spectral typeB
Effective temperature29564 K
Radius0.203 R☉
Mass0.480 M☉
Distance396.3 pc / 1292.7 ly
DiscoveryEclipse Timing Variations, 2022