TOI-5398 c
A confirmed exoplanet orbiting TOI-5398.
Compared with Earth
- Size
- About 3.5 times Earth's width.
- Mass
- About 12 times Earth's mass.
- Temperature
- About 969 °C (1,776 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.8 Earth days.
Planet
- Radius
- 3.52 × Earth
- Mass
- 11.8 × Earth
- Density
- 1.5 g/cm³
- Equilibrium temperature
- 1,242 K
- Starlight received
- Unknown
- Orbital period
- 4.773 days
- Average distance from its star
- 0.057 AU
Star
- Host star
- TOI-5398
- Spectral class
- F — yellow-white
- Surface temperature
- 6,000 K
- Radius
- 1.051 × Sun
- Mass
- 1.146 × Sun
- Age
- 0.65 billion years
System
- Distance from Earth
- 426.8 light-years (130.9 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.