TOI-771 b
A confirmed exoplanet orbiting TOI-771.
Compared with Earth
- Size
- About 1.4 times Earth's width.
- Mass
- About 2.5 times Earth's mass.
- Temperature
- About 270 °C (518 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 14 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.3 Earth days.
Planet
- Radius
- 1.36 × Earth
- Mass
- 2.47 × Earth
- Density
- 5.4 g/cm³
- Equilibrium temperature
- 543 K
- Starlight received
- 14 × Earth
- Orbital period
- 2.326 days
- Average distance from its star
- 0.0208 AU
Star
- Host star
- TOI-771
- Spectral class
- M — red dwarf
- Surface temperature
- 3,370 K
- Radius
- 0.232 × Sun
- Mass
- 0.22 × Sun
- Age
- Unknown
System
- Distance from Earth
- 82.45 light-years (25.28 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.