K2-232

Planetary system · 426.4 light-years away · also HD 286123, TYC 1284-745-1

K2-232 is 426 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this F star; the first was found in 2018 by transit (K2).

Fly there in 3D

Worth knowing

K2-232 b goes round its star every 11.2 days, 8 times as often as Mercury goes round the Sun.

The star

Spectral typeF
Surface temperature6,100 K
Mass1.121 solar masses
Radius1.21 solar radii
Luminosity1.646 times the Sun
Apparent magnitude9.822
Ageabout 3.9 billion years
Distance from the Sun426.4 light-years (130.7 parsecs)
Position (J2000)RA 73.7668°, Dec 18.6543°
ConstellationTaurus

Planets (2)

PlanetYearOrbitRadiusMassFound
K2-232 b11.2 days0.102 AU11.624 R⊕135.71 M⊕Transit, 2018
K2-232 c5.3 years3.170 AU12.8 R⊕ estimated1687.7 M⊕ minimumRadial Velocity, 2026

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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