HD 332231 b
A confirmed exoplanet orbiting HD 332231.
Compared with Earth
- Size
- About 9.1 times Earth's width.
- Mass
- About 74 times Earth's mass.
- Temperature
- About 525 °C (977 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 19 Earth days.
Planet
- Radius
- 9.073 × Earth
- Mass
- 74.1 × Earth
- Density
- 0.55 g/cm³
- Equilibrium temperature
- 798.3 K
- Starlight received
- Unknown
- Orbital period
- 18.71 days
- Average distance from its star
- 0.145 AU
Star
- Host star
- HD 332231
- Spectral class
- F — yellow-white
- Surface temperature
- 6,128 K
- Radius
- 1.266 × Sun
- Mass
- 1.164 × Sun
- Age
- 2.9 billion years
System
- Distance from Earth
- 263.1 light-years (80.67 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2020
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.