TOI-451 b
A confirmed exoplanet orbiting TOI-451.
Compared with Earth
- Size
- About 1.8 times Earth's width.
- Mass
- About 4.7 times Earth's mass.
- Temperature
- About 1,201 °C (2,194 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 786 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 1.9 Earth days.
Planet
- Radius
- 1.84 × Earth
- Mass
- 4.7 × Earth
- Density
- 4.1 g/cm³
- Equilibrium temperature
- 1,474 K
- Starlight received
- 786 × Earth
- Orbital period
- 1.859 days
- Average distance from its star
- 0.0274 AU
Star
- Host star
- TOI-451
- Spectral class
- G — sun-like
- Surface temperature
- 5,490 K
- Radius
- 0.85 × Sun
- Mass
- 0.93 × Sun
- Age
- 0.125 billion years
System
- Distance from Earth
- 403.6 light-years (123.7 parsecs)
- Stars in system
- 2
- Known planets
- 3
Discovery
- Year
- 2020
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.