Finding Earth 2.0
CoRoT-21 · F8 IV

CoRoT-21 b

Rank #5462 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.058

Earth-2.0 index

0.061

Earth Similarity Index

0%

Habitable-zone probability

14.57 R⊕

Radius

Planet

Mass718.296 M⊕measured
Bulk density1.360 g/cm³
Orbital period2.7247 days
Semi-major axis0.04170 au
Eccentricity0.000
Incident flux2915.600 S⊕
Equilibrium temperature1867.9 K
Transit-time σ at 2030599.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.03 masReflected-light contrast 2.12e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostCoRoT-21
Spectral typeF8 IV
Effective temperature6200 K
Radius1.950 R☉
Mass1.290 M☉
Distance1398.8 pc / 4562.4 ly
DiscoveryTransit, 2012