TOI-1820 b
A confirmed exoplanet orbiting TOI-1820.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 731 times Earth's mass.
- Temperature
- About 1,102 °C (2,015 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.9 Earth days.
Planet
- Radius
- 12.78 × Earth
- Mass
- 731 × Earth
- Density
- 2 g/cm³
- Equilibrium temperature
- 1,375 K
- Starlight received
- Unknown
- Orbital period
- 4.861 days
- Average distance from its star
- 0.061 AU
Star
- Host star
- TOI-1820
- Spectral class
- G — sun-like
- Surface temperature
- 5,734 K
- Radius
- 1.51 × Sun
- Mass
- 1.04 × Sun
- Age
- 11 billion years
System
- Distance from Earth
- 810.5 light-years (248.5 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.