TOI-1855 b
A confirmed exoplanet orbiting TOI-1855.
Compared with Earth
- Size
- About 18 times Earth's width.
- Mass
- About 360 times Earth's mass.
- Temperature
- About 1,428 °C (2,602 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 1.4 Earth days.
Planet
- Radius
- 18.49 × Earth
- Mass
- 360.1 × Earth
- Density
- 0.31 g/cm³
- Equilibrium temperature
- 1,701 K
- Starlight received
- Unknown
- Orbital period
- 1.364 days
- Average distance from its star
- 0.02398 AU
Star
- Host star
- TOI-1855
- Spectral class
- G — sun-like
- Surface temperature
- 5,359 K
- Radius
- 1.041 × Sun
- Mass
- 0.987 × Sun
- Age
- 8.2 billion years
System
- Distance from Earth
- 576.8 light-years (176.8 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.