TOI-6478 b
A confirmed exoplanet orbiting TOI-6478.
Compared with Earth
- Size
- About 4.6 times Earth's width.
- Temperature
- About -69 °C (-92 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 34 Earth days.
Planet
- Radius
- 4.6 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 204.4 K
- Starlight received
- Unknown
- Orbital period
- 34.01 days
- Average distance from its star
- 0.1136 AU
Star
- Host star
- TOI-6478
- Spectral class
- M — red dwarf
- Surface temperature
- 3,230 K
- Radius
- 0.234 × Sun
- Mass
- 0.23 × Sun
- Age
- 6 billion years
System
- Distance from Earth
- 125.9 light-years (38.61 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.