Finding Earth 2.0
CoRoT-9 · G3 V

CoRoT-9 b

Rank #709 of the ranked catalogue · Discovered by Transit in 2009

HZ 0%measured

0.110

Earth-2.0 index

0.356

Earth Similarity Index

0%

Habitable-zone probability

11.95 R⊕

Radius

Planet

Mass266.977 M⊕measured
Bulk density0.860 g/cm³
Orbital period95.2727 days
Semi-major axis0.40210 au
Eccentricity0.133
Incident flux3.444 S⊕
Equilibrium temperature346.3 K
Transit-time σ at 20307.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.97 masReflected-light contrast 1.53e-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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostCoRoT-9
Spectral typeG3 V
Effective temperature5625 K
Radius0.960 R☉
Mass0.960 M☉
Distance413.0 pc / 1347.0 ly
DiscoveryTransit, 2009