TOI-3331 A b
A confirmed exoplanet orbiting TOI-3331 A.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 721 times Earth's mass.
- Temperature
- About 1,215 °C (2,219 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 819 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2 Earth days.
Planet
- Radius
- 12.98 × Earth
- Mass
- 721.5 × Earth
- Density
- 1.82 g/cm³
- Equilibrium temperature
- 1,488 K
- Starlight received
- 818.5 × Earth
- Orbital period
- 2.018 days
- Average distance from its star
- 0.03144 AU
Star
- Host star
- TOI-3331 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,609 K
- Radius
- 0.952 × Sun
- Mass
- 1.016 × Sun
- Age
- 2.1 billion years
System
- Distance from Earth
- 708.4 light-years (217.2 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.