Kepler-387

Planetary system · 2612.7 light-years away

Kepler-387 is 2,613 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 5,774 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-387 b goes round its star every 6.79 days, 13 times as often as Mercury goes round the Sun.

The star

Surface temperature5,774 K
Mass0.85 solar masses
Radius1.046 solar radii
Luminosity1.372 times the Sun
Apparent magnitude14.129
Ageabout 1.01 billion years
Distance from the Sun2612.7 light-years (801.1 parsecs)
Position (J2000)RA 287.7983°, Dec 45.6568°
ConstellationLyra

Planets (2)

PlanetYearOrbitRadiusMassFound
Kepler-387 b6.79 days0.0680 AU1.03 R⊕1.08 M⊕ estimatedTransit, 2014
Kepler-387 c11.8 days0.0980 AU0.89 R⊕0.64 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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