Exoplanet

Qatar-3 b

Orbiting Qatar-3

Overview

Qatar-3 b is an exoplanet orbiting the star Qatar-3, discovered in 2017 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.29

Earth radii

015 R⊕

Mass

1369.85

Earth masses

0500 M⊕

Orbital Period

2.5

days

0.1d10,000d

Distance

735.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1681

K

150 K3,500 K

Radius (Earth radii)

12.29

Mass (Earth masses)

1369.85

Measured

Equilibrium Temperature

1681 K

Parameter source: Alsubai et al. 2017

Orbital Period

2.508days

Semi-Major Axis

0.0378+0.0007−0.0007au

Planet Mass (Earth masses)

1369.85+149.38−149.38

Planet Mass (Jupiter masses)

4.3100+0.4700−0.4700

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

587.00+58.00−58.00m/s

Distance from Earth

735.6 pc (~2399 ly)

Spectral Type

G0 V

Temperature

6007 K

Mass (Solar)

1.15 M☉

Radius (Solar)

1.27 R☉

Luminosity

0.28 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

359.1520°, 36.2130°

Discovery Method

Transit

Discovery Year

2017

Data Sources
NASA Exoplanet Archive

Source ID: Qatar-3 b

System Context

Qatar-3 b orbits Qatar-3 and was reported in 2017 and was detected with the Transit method.

Published measurements list a radius of 12.29 Earth radii, a mass of 1,369.85 Earth masses, an orbital period of 2.51 days, and an equilibrium temperature near 1,681 K.

Catalog data places the system at about 735.6 parsecs from Earth, a host star classified as G0 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-3