K2-24

Planetary system · 556.3 light-years away · also TYC 6784-837-1

K2-24 is 556 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this G9 V star; the first was found in 2016 by transit (K2).

Fly there in 3D

Worth knowing

K2-24 b goes round its star every 20.9 days, 4 times as often as Mercury goes round the Sun.

The star

Spectral typeG9 V
Surface temperature5,726 K
Mass1.091 solar masses
Radius1.185 solar radii
Luminosity1.44 times the Sun
Apparent magnitude11.275
Ageabout 4.9 billion years
Distance from the Sun556.3 light-years (170.6 parsecs)
Position (J2000)RA 242.5735°, Dec -24.9906°
ConstellationScorpius

Planets (2)

PlanetYearOrbitRadiusMassFound
K2-24 b20.9 days0.167 AU5.638 R⊕20.6 M⊕Transit, 2016
K2-24 c42.3 days0.262 AU7.93 R⊕16.4 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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