TOI-3877 b
A confirmed exoplanet orbiting TOI-3877.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 100 times Earth's mass.
- Temperature
- About 1,172 °C (2,141 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 729 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.1 Earth days.
Planet
- Radius
- 11.68 × Earth
- Mass
- 99.8 × Earth
- Density
- 0.342 g/cm³
- Equilibrium temperature
- 1,445 K
- Starlight received
- 729 × Earth
- Orbital period
- 4.124 days
- Average distance from its star
- 0.0529 AU
Star
- Host star
- TOI-3877
- Spectral class
- G — sun-like
- Surface temperature
- 5,731 K
- Radius
- 1.445 × Sun
- Mass
- 1.16 × Sun
- Age
- 5.9 billion years
System
- Distance from Earth
- 1,610 light-years (493.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.