TOI-157 b
A confirmed exoplanet orbiting TOI-157.
Compared with Earth
- Size
- About 14 times Earth's width.
- Mass
- About 375 times Earth's mass.
- Temperature
- About 1,315 °C (2,399 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,062 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.1 Earth days.
Planet
- Radius
- 14.41 × Earth
- Mass
- 375 × Earth
- Density
- 0.686 g/cm³
- Equilibrium temperature
- 1,588 K
- Starlight received
- 1,062 × Earth
- Orbital period
- 2.085 days
- Average distance from its star
- 0.03138 AU
Star
- Host star
- TOI-157
- Spectral class
- G — sun-like
- Surface temperature
- 5,404 K
- Radius
- 1.167 × Sun
- Mass
- 0.948 × Sun
- Age
- 12.82 billion years
System
- Distance from Earth
- 1,160 light-years (355.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2020
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.