K2-63

Planetary system · 1688.0 light-years away

K2-63 is 1,688 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 6,771 K star; the first was found in 2016 by transit (K2).

Fly there in 3D

Worth knowing

K2-63 b goes round its star every 20.3 days, 4 times as often as Mercury goes round the Sun.

The star

Surface temperature6,771 K
Mass1.4 solar masses
Radius1.63 solar radii
Luminosity1.658 times the Sun
Apparent magnitude12.98
Distance from the Sun1688.0 light-years (517.5 parsecs)
Position (J2000)RA 333.4268°, Dec -12.0663°
ConstellationAquarius

Planets (2)

PlanetYearOrbitRadiusMassFound
K2-63 b20.3 days0.163 AU3.22 R⊕10.5 M⊕ estimatedTransit, 2016
K2-63 c25.5 days0.189 AU3.9 R⊕14.5 M⊕ estimatedTransit, 2016

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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