Finding Earth 2.0
HAT-P-61

HAT-P-61 b

Rank #4823 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.070

Earth-2.0 index

0.103

Earth Similarity Index

0%

Habitable-zone probability

10.08 R⊕

Radius

Planet

Mass335.945 M⊕measured
Bulk density1.800 g/cm³
Orbital period1.9023 days
Semi-major axis0.03010 au
Eccentricity0.113
Incident flux849.500 S⊕
Equilibrium temperature1372.3 K
Transit-time σ at 20302.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.09 masReflected-light contrast 1.95e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-61
Spectral typeG
Effective temperature5587 K
Radius0.938 R☉
Mass1.004 M☉
Distance338.8 pc / 1105.1 ly
DiscoveryTransit, 2021