TOI-220 b
A confirmed exoplanet orbiting TOI-220.
Compared with Earth
- Size
- About 3 times Earth's width.
- Mass
- About 14 times Earth's mass.
- Temperature
- About 532 °C (989 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 11 Earth days.
Planet
- Radius
- 3.03 × Earth
- Mass
- 13.8 × Earth
- Density
- 2.73 g/cm³
- Equilibrium temperature
- 805 K
- Starlight received
- Unknown
- Orbital period
- 10.7 days
- Average distance from its star
- 0.08911 AU
Star
- Host star
- TOI-220
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,298 K
- Radius
- 0.858 × Sun
- Mass
- 0.825 × Sun
- Age
- 10.1 billion years
System
- Distance from Earth
- 296 light-years (90.74 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.