TOI-431 b
A confirmed exoplanet orbiting TOI-431.
Compared with Earth
- Size
- About 1.3 times Earth's width.
- Mass
- About 3.1 times Earth's mass.
- Temperature
- About 1,589 °C (2,892 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 12 hours.
Planet
- Radius
- 1.28 × Earth
- Mass
- 3.07 × Earth
- Density
- 8 g/cm³
- Equilibrium temperature
- 1,862 K
- Starlight received
- Unknown
- Orbital period
- 0.49 days
- Average distance from its star
- 0.0113 AU
Star
- Host star
- TOI-431
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,850 K
- Radius
- 0.731 × Sun
- Mass
- 0.78 × Sun
- Age
- Unknown
System
- Distance from Earth
- 106.2 light-years (32.57 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.