TOI-1199 b
A confirmed exoplanet orbiting TOI-1199.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 76 times Earth's mass.
- Temperature
- About 1,213 °C (2,215 °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
- 10.51 × Earth
- Mass
- 75.96 × Earth
- Density
- 0.358 g/cm³
- Equilibrium temperature
- 1,486 K
- Starlight received
- Unknown
- Orbital period
- 3.671 days
- Average distance from its star
- 0.04988 AU
Star
- Host star
- TOI-1199
- Spectral class
- G — sun-like
- Surface temperature
- 5,710 K
- Radius
- 1.45 × Sun
- Mass
- 1.23 × Sun
- Age
- 4.2 billion years
System
- Distance from Earth
- 810.3 light-years (248.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.