TOI-4603 b
A confirmed exoplanet orbiting TOI-4603.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 4,097 times Earth's mass.
- Temperature
- About 1,404 °C (2,559 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,192 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 7.2 Earth days.
Planet
- Radius
- 11.68 × Earth
- Mass
- 4,097 × Earth
- Density
- 14.1 g/cm³
- Equilibrium temperature
- 1,677 K
- Starlight received
- 1,192 × Earth
- Orbital period
- 7.246 days
- Average distance from its star
- 0.0888 AU
Star
- Host star
- TOI-4603
- Spectral class
- F — yellow-white
- Surface temperature
- 6,264 K
- Radius
- 2.738 × Sun
- Mass
- 1.765 × Sun
- Age
- 1.64 billion years
System
- Distance from Earth
- 735.9 light-years (225.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.