Qatar-8 b
A confirmed exoplanet orbiting Qatar-8.
Compared with Earth
- Size
- About 14 times Earth's width.
- Mass
- About 118 times Earth's mass.
- Temperature
- About 1,184 °C (2,163 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.7 Earth days.
Planet
- Radius
- 14.4 × Earth
- Mass
- 117.9 × Earth
- Density
- 0.216 g/cm³
- Equilibrium temperature
- 1,457 K
- Starlight received
- Unknown
- Orbital period
- 3.715 days
- Average distance from its star
- 0.0474 AU
Star
- Host star
- Qatar-8
- Spectral class
- G — sun-like
- Surface temperature
- 5,738 K
- Radius
- 1.315 × Sun
- Mass
- 1.029 × Sun
- Age
- 8.3 billion years
System
- Distance from Earth
- 918.1 light-years (281.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- Qatar
Data from the NASA Exoplanet Archive, synced October 14, 2026.