Kepler-317

Planetary system · 3067.8 light-years away

Kepler-317 is 3,068 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 5,497 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-317 b goes round its star every 5.52 days, 16 times as often as Mercury goes round the Sun.

The star

Surface temperature5,497 K
Mass0.865 solar masses
Radius0.941 solar radii
Luminosity0.6197 times the Sun
Apparent magnitude15.665
Ageabout 3.72 billion years
Distance from the Sun3067.8 light-years (940.6 parsecs)
Position (J2000)RA 294.9439°, Dec 39.0320°
ConstellationCygnus

Planets (2)

PlanetYearOrbitRadiusMassFound
Kepler-317 b5.52 days0.0610 AU2.09 R⊕109.8 M⊕Transit, 2014
Kepler-317 c8.78 days0.0830 AU1.72 R⊕3.61 M⊕ estimatedTransit, 2014

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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