TOI-2158 b
A confirmed exoplanet orbiting TOI-2158.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 261 times Earth's mass.
- Temperature
- About 915 °C (1,679 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 8.6 Earth days.
Planet
- Radius
- 10.76 × Earth
- Mass
- 260.6 × Earth
- Density
- 1.14 g/cm³
- Equilibrium temperature
- 1,188 K
- Starlight received
- Unknown
- Orbital period
- 8.601 days
- Average distance from its star
- 0.075 AU
Star
- Host star
- TOI-2158
- Spectral class
- G — sun-like
- Surface temperature
- 5,673 K
- Radius
- 1.41 × Sun
- Mass
- 1.12 × Sun
- Age
- 8 billion years
System
- Distance from Earth
- 647.3 light-years (198.5 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.