WASP-55

Planetary system · 970.2 light-years away

WASP-55 is 970 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,096 K star; the first was found in 2012 by transit (SuperWASP).

Fly there in 3D

Worth knowing

WASP-55 b goes round its star every 4.47 days, 20 times as often as Mercury goes round the Sun.

WASP-55 is one of 2 stars in its system. The position of the other star is not catalogued, so only WASP-55 and its planets are drawn.

The star

Surface temperature6,096 K
Mass1.071 solar masses
Radius1.09 solar radii
Luminosity1.454 times the Sun
Apparent magnitude11.753
Ageabout 3.05 billion years
Distance from the Sun970.2 light-years (297.5 parsecs)
Position (J2000)RA 203.7582°, Dec -17.5035°
ConstellationVirgo

Planets (1)

PlanetYearOrbitRadiusMassFound
WASP-55 b4.47 days0.0558 AU14.729 R⊕186.25 M⊕Transit, 2012

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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