WASP-8

Planetary system · 293.4 light-years away

WASP-8 is 293 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this G8 V star; the first was found in 2010 by transit (SuperWASP).

Fly there in 3D

Worth knowing

WASP-8 b goes round its star every 8.16 days, 11 times as often as Mercury goes round the Sun.

WASP-8 is one of 2 stars in its system. The position of the other star is not catalogued, so only WASP-8 and its planets are drawn.

The star

Spectral typeG8 V
Surface temperature5,600 K
Mass1.34 solar masses
Radius1.03 solar radii
Luminosity0.8759 times the Sun
Apparent magnitude9.789
Ageabout 3 billion years
Distance from the Sun293.4 light-years (90.0 parsecs)
Position (J2000)RA 359.9009°, Dec -35.0313°
ConstellationSculptor

Planets (2)

PlanetYearOrbitRadiusMassFound
WASP-8 b8.16 days0.0801 AU12.666 R⊕807.29 M⊕Transit, 2010
WASP-8 c11.8 years5.280 AU12.5 R⊕ estimated3003.4 M⊕ minimumRadial Velocity, 2013

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

Privacy