K2-32

Planetary system · 514.3 light-years away

K2-32 is 514 light-years from the Sun. The NASA Exoplanet Archive lists 4 planets around this G9 V star; the first was found in 2016 by transit (K2).

Fly there in 3D

Worth knowing

K2-32 e goes round its star every 4.35 days, 20 times as often as Mercury goes round the Sun.

K2-32 is one of 2 stars in its system. The position of the other star is not catalogued, so only K2-32 and its planets are drawn.

The star

Spectral typeG9 V
Surface temperature5,271 K
Mass0.83 solar masses
Radius0.86 solar radii
Luminosity0.5057 times the Sun
Apparent magnitude12.304
Ageabout 7.9 billion years
Distance from the Sun514.3 light-years (157.7 parsecs)
Position (J2000)RA 252.4260°, Dec -19.5431°
ConstellationOphiuchus

Planets (4)

PlanetYearOrbitRadiusMassFound
K2-32 e4.35 days0.0490 AU1.212 R⊕2.1 M⊕Transit, 2019
K2-32 b8.99 days0.0795 AU5.299 R⊕15 M⊕Transit, 2016
K2-32 c20.7 days0.138 AU3.134 R⊕8.1 M⊕Transit, 2016
K2-32 d31.7 days0.184 AU3.484 R⊕6.7 M⊕Transit, 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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