Qatar-1 b
A confirmed exoplanet orbiting Qatar-1.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 411 times Earth's mass.
- Temperature
- About 1,145 °C (2,093 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 1.4 Earth days.
Planet
- Radius
- 12.81 × Earth
- Mass
- 411.3 × Earth
- Density
- 1.076 g/cm³
- Equilibrium temperature
- 1,418 K
- Starlight received
- Unknown
- Orbital period
- 1.42 days
- Average distance from its star
- 0.02332 AU
Star
- Host star
- Qatar-1
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,013 K
- Radius
- 0.803 × Sun
- Mass
- 0.838 × Sun
- Age
- Unknown
System
- Distance from Earth
- 605.4 light-years (185.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2010
- Method
- Transit
- Facility
- Qatar
Data from the NASA Exoplanet Archive, synced October 14, 2026.