TOI-4438 b
A confirmed exoplanet orbiting TOI-4438.
Compared with Earth
- Size
- About 2.4 times Earth's width.
- Mass
- About 4.1 times Earth's mass.
- Temperature
- About 173 °C (343 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 7.4 Earth days.
Planet
- Radius
- 2.4 × Earth
- Mass
- 4.11 × Earth
- Density
- 1.65 g/cm³
- Equilibrium temperature
- 446 K
- Starlight received
- Unknown
- Orbital period
- 7.446 days
- Average distance from its star
- 0.0523 AU
Star
- Host star
- TOI-4438
- Spectral class
- M — red dwarf
- Surface temperature
- 3,501 K
- Radius
- 0.365 × Sun
- Mass
- 0.345 × Sun
- Age
- 4.8 billion years
System
- Distance from Earth
- 97.96 light-years (30.03 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.