TOI-1811 b
A confirmed exoplanet orbiting TOI-1811.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 309 times Earth's mass.
- Temperature
- About 689 °C (1,272 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.7 Earth days.
Planet
- Radius
- 11.14 × Earth
- Mass
- 308.9 × Earth
- Density
- 1.23 g/cm³
- Equilibrium temperature
- 962.2 K
- Starlight received
- Unknown
- Orbital period
- 3.713 days
- Average distance from its star
- 0.04389 AU
Star
- Host star
- TOI-1811
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,766 K
- Radius
- 0.769 × Sun
- Mass
- 0.817 × Sun
- Age
- 5.9 billion years
System
- Distance from Earth
- 418.2 light-years (128.2 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.