Kepler-177

Planetary system · 4681.8 light-years away

Kepler-177 is 4,682 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 5,732 K star; the first was found in 2013 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-177 b goes round its star every 36.9 days, 2.4 times as often as Mercury goes round the Sun.

The star

Surface temperature5,732 K
Mass0.921 solar masses
Radius1.324 solar radii
Luminosity1.738 times the Sun
Apparent magnitude15.171
Ageabout 11.75 billion years
Distance from the Sun4681.8 light-years (1435.4 parsecs)
Position (J2000)RA 286.0471°, Dec 45.0532°
ConstellationLyra

Planets (2)

PlanetYearOrbitRadiusMassFound
Kepler-177 b36.9 days0.211 AU3.5 R⊕5.84 M⊕Transit, 2013
Kepler-177 c49.4 days0.257 AU8.73 R⊕14.7 M⊕Transit, 2013

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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