TOI-3321 b
A confirmed exoplanet orbiting TOI-3321.
Compared with Earth
- Size
- About 16 times Earth's width.
- Mass
- About 176 times Earth's mass.
- Temperature
- About 1,343 °C (2,449 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.7 Earth days.
Planet
- Radius
- 15.56 × Earth
- Mass
- 176.1 × Earth
- Density
- 0.255 g/cm³
- Equilibrium temperature
- 1,616 K
- Starlight received
- Unknown
- Orbital period
- 3.653 days
- Average distance from its star
- 0.047 AU
Star
- Host star
- TOI-3321
- Spectral class
- G — sun-like
- Surface temperature
- 5,850 K
- Radius
- 1.549 × Sun
- Mass
- 1.041 × Sun
- Age
- 8.1 billion years
System
- Distance from Earth
- 932.5 light-years (285.9 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.