TOI-5261 b
A confirmed exoplanet orbiting TOI-5261.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 3,652 times Earth's mass.
- Temperature
- About 971 °C (1,780 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.2 Earth days.
Planet
- Radius
- 11.6 × Earth
- Mass
- 3,652 × Earth
- Density
- 12.9 g/cm³
- Equilibrium temperature
- 1,244 K
- Starlight received
- Unknown
- Orbital period
- 4.151 days
- Average distance from its star
- 0.05134 AU
Star
- Host star
- TOI-5261
- Spectral class
- G — sun-like
- Surface temperature
- 5,790 K
- Radius
- 1.021 × Sun
- Mass
- 1.037 × Sun
- Age
- 4.2 billion years
System
- Distance from Earth
- 1,230 light-years (377.1 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.