TOI-1438 b
A confirmed exoplanet orbiting TOI-1438.
Compared with Earth
- Size
- About 3 times Earth's width.
- Mass
- About 9.4 times Earth's mass.
- Temperature
- About 698 °C (1,288 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 145 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 5.1 Earth days.
Planet
- Radius
- 3.04 × Earth
- Mass
- 9.4 × Earth
- Density
- 1.8 g/cm³
- Equilibrium temperature
- 971 K
- Starlight received
- 145 × Earth
- Orbital period
- 5.14 days
- Average distance from its star
- 0.0553 AU
Star
- Host star
- TOI-1438
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,230 K
- Radius
- 0.82 × Sun
- Mass
- 0.876 × Sun
- Age
- Unknown
System
- Distance from Earth
- 360.4 light-years (110.5 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.