Qatar-8

Planetary system · 918.1 light-years away · also TYC 4387-1050-1

Qatar-8 is 918 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G0 V star; the first was found in 2019 by transit (Qatar).

Fly there in 3D

Worth knowing

Qatar-8 b goes round its star every 3.71 days, 24 times as often as Mercury goes round the Sun.

The star

Spectral typeG0 V
Surface temperature5,738 K
Mass1.029 solar masses
Radius1.315 solar radii
Luminosity1.69 times the Sun
Apparent magnitude11.71
Ageabout 8.3 billion years
Distance from the Sun918.1 light-years (281.5 parsecs)
Position (J2000)RA 157.4123°, Dec 70.5271°
ConstellationUrsa Major

Planets (1)

PlanetYearOrbitRadiusMassFound
Qatar-8 b3.71 days0.0474 AU14.404 R⊕117.91 M⊕Transit, 2019

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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