Finding Earth 2.0
HD 202772 A

HD 202772 A b

Rank #5598 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.051

Earth-2.0 index

0.042

Earth Similarity Index

0%

Habitable-zone probability

18.24 R⊕

Radius

Planet

Mass323.549 M⊕measured
Bulk density0.293 g/cm³
Orbital period3.3089 days
Semi-major axis0.05208 au
Eccentricity0.030
Incident flux3770.000 S⊕
Equilibrium temperature1991.8 K
Transit-time σ at 20300.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.32 masReflected-light contrast 2.13e-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

HostHD 202772 A
Spectral typeF
Effective temperature6442 K
Radius2.554 R☉
Mass1.721 M☉
Distance161.5 pc / 526.7 ly
DiscoveryTransit, 2019