HD 202772 A b
A confirmed exoplanet orbiting HD 202772 A.
Compared with Earth
- Size
- About 18 times Earth's width.
- Mass
- About 324 times Earth's mass.
- Temperature
- About 1,908 °C (3,466 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 3,770 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.3 Earth days.
Planet
- Radius
- 18.24 × Earth
- Mass
- 323.5 × Earth
- Density
- 0.293 g/cm³
- Equilibrium temperature
- 2,181 K
- Starlight received
- 3,770 × Earth
- Orbital period
- 3.309 days
- Average distance from its star
- 0.05208 AU
Star
- Host star
- HD 202772 A
- Spectral class
- F — yellow-white
- Surface temperature
- 6,442 K
- Radius
- 2.554 × Sun
- Mass
- 1.721 × Sun
- Age
- 1.63 billion years
System
- Distance from Earth
- 526.7 light-years (161.5 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.