TOI-3688 A b
A confirmed exoplanet orbiting TOI-3688 A.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 311 times Earth's mass.
- Temperature
- About 1,261 °C (2,302 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 924 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.2 Earth days.
Planet
- Radius
- 13.08 × Earth
- Mass
- 311.5 × Earth
- Density
- 0.76 g/cm³
- Equilibrium temperature
- 1,534 K
- Starlight received
- 924.3 × Earth
- Orbital period
- 3.246 days
- Average distance from its star
- 0.0456 AU
Star
- Host star
- TOI-3688 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,950 K
- Radius
- 1.302 × Sun
- Mass
- 1.199 × Sun
- Age
- 3.3 billion years
System
- Distance from Earth
- 1,293 light-years (396.4 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.