Kepler-184

Planetary system · 1990.6 light-years away

Kepler-184 is 1,991 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,788 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-184 b goes round its star every 10.7 days, 8 times as often as Mercury goes round the Sun.

The star

Surface temperature5,788 K
Mass0.872 solar masses
Radius0.873 solar radii
Luminosity0.5955 times the Sun
Apparent magnitude14.42
Ageabout 2.95 billion years
Distance from the Sun1990.6 light-years (610.3 parsecs)
Position (J2000)RA 291.9519°, Dec 43.0746°
ConstellationLyra

Planets (3)

PlanetYearOrbitRadiusMassFound
Kepler-184 b10.7 days0.0920 AU2.36 R⊕6.17 M⊕ estimatedTransit, 2014
Kepler-184 c20.3 days0.141 AU1.97 R⊕8.8 M⊕Transit, 2014
Kepler-184 d29.0 days0.179 AU2.49 R⊕6.76 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.

The planets, compared

For a star of 5,788 K, 0.60 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 0.73 to 1.29 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.

The light you see left 1,991 years ago, around AD 40.

Nearest systems to it

Also found by Kepler

Sources

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