Kepler-357

Planetary system · 2245.8 light-years away

Kepler-357 is 2,246 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,036 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-357 b goes round its star every 6.48 days, 14 times as often as Mercury goes round the Sun.

The star

Surface temperature5,036 K
Mass0.794 solar masses
Radius0.834 solar radii
Luminosity0.2777 times the Sun
Apparent magnitude15.735
Ageabout 2.14 billion years
Distance from the Sun2245.8 light-years (688.6 parsecs)
Position (J2000)RA 291.2430°, Dec 44.0086°
ConstellationCygnus

Planets (3)

PlanetYearOrbitRadiusMassFound
Kepler-357 b6.48 days0.0630 AU1.84 R⊕4.04 M⊕ estimatedTransit, 2014
Kepler-357 c16.9 days0.120 AU2.67 R⊕7.61 M⊕ estimatedTransit, 2014
Kepler-357 d49.5 days0.246 AU3.43 R⊕11.6 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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