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Public Universe

Exoplanet

HD 202772 A b

526.74 light-years

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Discovery
Transit · 2019
Radius
18.237 (+0.7846 / −0.7286) Earth radii
Mass
323.5493 (+20.9767 / −20.0232) Earth masses
Orbital period
3.3089 (+5.1 × 10⁻⁷ / −5.1 × 10⁻⁷) days
Semi-major axis
0.0521 (+5.4 × 10⁻⁴ / −5.9 × 10⁻⁴) AU
Equilibrium temperature
2,181 (+23 / −21) K
Mass provenance
Mass

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00