Qatar-4 b
A confirmed exoplanet orbiting Qatar-4.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 1,939 times Earth's mass.
- Temperature
- About 1,112 °C (2,033 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 614 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 1.8 Earth days.
Planet
- Radius
- 12.72 × Earth
- Mass
- 1,939 × Earth
- Density
- 5.1 g/cm³
- Equilibrium temperature
- 1,385 K
- Starlight received
- 614 × Earth
- Orbital period
- 1.805 days
- Average distance from its star
- 0.02803 AU
Star
- Host star
- Qatar-4
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,215 K
- Radius
- 0.849 × Sun
- Mass
- 0.896 × Sun
- Age
- 0.17 billion years
System
- Distance from Earth
- 1,073 light-years (329 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.