TOI-163 b
A confirmed exoplanet orbiting TOI-163.
Compared with Earth
- Size
- About 17 times Earth's width.
- Mass
- About 388 times Earth's mass.
- Temperature
- About 1,396 °C (2,545 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.2 Earth days.
Planet
- Radius
- 16.69 × Earth
- Mass
- 387.8 × Earth
- Density
- 0.49 g/cm³
- Equilibrium temperature
- 1,669 K
- Starlight received
- Unknown
- Orbital period
- 4.231 days
- Average distance from its star
- 0.058 AU
Star
- Host star
- TOI-163
- Spectral class
- F — yellow-white
- Surface temperature
- 6,495 K
- Radius
- 1.648 × Sun
- Mass
- 1.435 × Sun
- Age
- 1.823 billion years
System
- Distance from Earth
- 1,343 light-years (411.7 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.