TOI-181 b
A confirmed exoplanet orbiting TOI-181.
Compared with Earth
- Size
- About 7 times Earth's width.
- Mass
- About 46 times Earth's mass.
- Temperature
- About 622 °C (1,152 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 102 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.5 Earth days.
Planet
- Radius
- 6.956 × Earth
- Mass
- 46.17 × Earth
- Density
- 0.7562 g/cm³
- Equilibrium temperature
- 895.1 K
- Starlight received
- 102.4 × Earth
- Orbital period
- 4.532 days
- Average distance from its star
- 0.0539 AU
Star
- Host star
- TOI-181
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,994 K
- Radius
- 0.745 × Sun
- Mass
- 0.822 × Sun
- Age
- 5.4 billion years
System
- Distance from Earth
- 313.9 light-years (96.23 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.