Qatar-9 b
Orbiting Qatar-9
Qatar-9 b is an exoplanet orbiting the star Qatar-9, discovered in 2019 using the Transit method. It is a Jupiter-sized world.
Radius
11.31
Earth radii
Mass
378.22
Earth masses
Orbital Period
1.5
days
Distance
213.8
parsecs
Equilibrium Temp
1134
K
Radius (Earth radii)
11.31
Mass (Earth masses)
378.22
Measured
Equilibrium Temperature
1134 K
Parameter source: Alsubai et al. 2019
Orbital Period
1.541+0.000−0.000days
Semi-Major Axis
0.0234+0.0003−0.0003au
Planet Mass (Earth masses)
378.22+50.85−50.85
Planet Mass (Jupiter masses)
1.1900+0.1600−0.1600
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
259.00+35.00−35.00m/s
Distance from Earth
213.8 pc (~697 ly)
Spectral Type
K5 V
Temperature
4309 K
Mass (Solar)
0.72 M☉
Radius (Solar)
0.70 R☉
Luminosity
-0.82 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
160.7481°, 60.9641°
Discovery Method
Transit
Discovery Year
2019
Source ID: Qatar-9 b
Qatar-9 b orbits Qatar-9 and was reported in 2019 and was detected with the Transit method.
Published measurements list a radius of 11.31 Earth radii, a mass of 378.22 Earth masses, an orbital period of 1.54 days, and an equilibrium temperature near 1,134 K.
Catalog data places the system at about 213.8 parsecs from Earth, a host star classified as K5 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Qatar-9