TOI-1117 b
A confirmed exoplanet orbiting TOI-1117.
Compared with Earth
- Size
- About 2.5 times Earth's width.
- Mass
- About 8.9 times Earth's mass.
- Temperature
- About 1,265 °C (2,309 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 928 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.2 Earth days.
Planet
- Radius
- 2.46 × Earth
- Mass
- 8.9 × Earth
- Density
- 3.3 g/cm³
- Equilibrium temperature
- 1,538 K
- Starlight received
- 928 × Earth
- Orbital period
- 2.228 days
- Average distance from its star
- 0.033 AU
Star
- Host star
- TOI-1117
- Spectral class
- G — sun-like
- Surface temperature
- 5,635 K
- Radius
- 1.05 × Sun
- Mass
- 0.97 × Sun
- Age
- 4.42 billion years
System
- Distance from Earth
- 546.6 light-years (167.6 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.