Qatar-3 b
A confirmed exoplanet orbiting Qatar-3.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 1,370 times Earth's mass.
- Temperature
- About 1,408 °C (2,566 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,330 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.5 Earth days.
Planet
- Radius
- 12.29 × Earth
- Mass
- 1,370 × Earth
- Density
- 4 g/cm³
- Equilibrium temperature
- 1,681 K
- Starlight received
- 1,330 × Earth
- Orbital period
- 2.508 days
- Average distance from its star
- 0.03783 AU
Star
- Host star
- Qatar-3
- Spectral class
- F — yellow-white
- Surface temperature
- 6,007 K
- Radius
- 1.272 × Sun
- Mass
- 1.145 × Sun
- Age
- 0.31 billion years
System
- Distance from Earth
- 2,399 light-years (735.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- Qatar
Data from the NASA Exoplanet Archive, synced October 14, 2026.