K2-115

Planetary system · 1349.0 light-years away

K2-115 is 1,349 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G4 star; the first was found in 2017 by transit (K2).

Fly there in 3D

Worth knowing

K2-115 b goes round its star every 20.3 days, 4 times as often as Mercury goes round the Sun.

The star

Spectral typeG4
Surface temperature5,870 K
Mass0.918 solar masses
Radius0.855 solar radii
Luminosity0.78 times the Sun
Apparent magnitude13.444
Ageabout 2.2 billion years
Distance from the Sun1349.0 light-years (413.6 parsecs)
Position (J2000)RA 126.5535°, Dec 12.2819°
ConstellationCancer

Planets (1)

PlanetYearOrbitRadiusMassFound
K2-115 b20.3 days0.141 AU11.803 R⊕321.01 M⊕Transit, 2017

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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