TOI-3540 A b
A confirmed exoplanet orbiting TOI-3540 A.
Compared with Earth
- Size
- About 24 times Earth's width.
- Mass
- About 375 times Earth's mass.
- Temperature
- About 1,225 °C (2,237 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 841 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- 23.54 × Earth
- Mass
- 375 × Earth
- Density
- 0.065 g/cm³
- Equilibrium temperature
- 1,498 K
- Starlight received
- 841.3 × Earth
- Orbital period
- 3.12 days
- Average distance from its star
- 0.04289 AU
Star
- Host star
- TOI-3540 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,810 K
- Radius
- 1.228 × Sun
- Mass
- 1.081 × Sun
- Age
- 6 billion years
System
- Distance from Earth
- Unknown
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.