TOI-2040 b
A confirmed exoplanet orbiting TOI-2040.
Compared with Earth
- Size
- About 10 times Earth's width.
- Mass
- About 248 times Earth's mass.
- Temperature
- About 797 °C (1,466 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 216 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.9 Earth days.
Planet
- Radius
- 10.32 × Earth
- Mass
- 248.2 × Earth
- Density
- 1.24 g/cm³
- Equilibrium temperature
- 1,070 K
- Starlight received
- 216 × Earth
- Orbital period
- 3.861 days
- Average distance from its star
- 0.0473 AU
Star
- Host star
- TOI-2040
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,132 K
- Radius
- 0.87 × Sun
- Mass
- 0.92 × Sun
- Age
- 8.7 billion years
System
- Distance from Earth
- 472 light-years (144.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2026
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.