TOI-2421 b
A confirmed exoplanet orbiting TOI-2421.
Compared with Earth
- Size
- About 10 times Earth's width.
- Mass
- About 106 times Earth's mass.
- Temperature
- About 1,261 °C (2,302 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 924 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.3 Earth days.
Planet
- Radius
- 10.37 × Earth
- Mass
- 105.8 × Earth
- Density
- 0.52 g/cm³
- Equilibrium temperature
- 1,534 K
- Starlight received
- 923.6 × Earth
- Orbital period
- 4.347 days
- Average distance from its star
- 0.0543 AU
Star
- Host star
- TOI-2421
- Spectral class
- G — sun-like
- Surface temperature
- 5,607 K
- Radius
- 1.75 × Sun
- Mass
- 1.131 × Sun
- Age
- 7.5 billion years
System
- Distance from Earth
- 1,070 light-years (327.9 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.