Qatar-2

Planetary system · 591.6 light-years away

Qatar-2 is 592 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 4,645 K star; the first was found in 2011 by transit (Qatar).

Fly there in 3D

Worth knowing

Qatar-2 b goes round its star every 32.1 hours, 66 times as often as Mercury goes round the Sun.

The star

Surface temperature4,645 K
Mass0.743 solar masses
Radius0.776 solar radii
Luminosity0.2074 times the Sun
Apparent magnitude13.443
Ageabout 5 billion years
Distance from the Sun591.6 light-years (181.4 parsecs)
Position (J2000)RA 207.6555°, Dec -6.8041°
ConstellationVirgo

Planets (1)

PlanetYearOrbitRadiusMassFound
Qatar-2 b32.1 hours0.0215 AU14.056 R⊕792.63 M⊕Transit, 2011

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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