Kepler-187

Planetary system · 3728.0 light-years away

Kepler-187 is 3,728 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 6,105 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-187 b goes round its star every 4.94 days, 18 times as often as Mercury goes round the Sun.

The star

Surface temperature6,105 K
Mass1.081 solar masses
Radius1.287 solar radii
Luminosity3.109 times the Sun
Apparent magnitude14.297
Ageabout 6.46 billion years
Distance from the Sun3728.0 light-years (1143.0 parsecs)
Position (J2000)RA 299.7965°, Dec 44.0892°
ConstellationCygnus

Planets (2)

PlanetYearOrbitRadiusMassFound
Kepler-187 b4.94 days0.0590 AU1.41 R⊕2.57 M⊕ estimatedTransit, 2014
Kepler-187 c10.6 days0.0990 AU2.67 R⊕7.61 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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