Kepler-352

Planetary system · 824.3 light-years away

Kepler-352 is 824 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,212 K star; the first was found in 2014 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-352 d goes round its star every 6.89 days, 13 times as often as Mercury goes round the Sun.

The star

Surface temperature5,212 K
Mass0.798 solar masses
Radius0.781 solar radii
Luminosity0.3695 times the Sun
Apparent magnitude13.142
Ageabout 1.7 billion years
Distance from the Sun824.3 light-years (252.7 parsecs)
Position (J2000)RA 299.8966°, Dec 46.0519°
ConstellationCygnus

Planets (3)

PlanetYearOrbitRadiusMassFound
Kepler-352 d6.89 days0.0657 AU0.80628 R⊕0.449 M⊕ estimatedTransit, 2021
Kepler-352 b10.1 days0.0850 AU0.86 R⊕0.566 M⊕ estimatedTransit, 2014
Kepler-352 c16.3 days0.118 AU1.24 R⊕2.07 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 5,212 K, 0.37 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 0.60 to 1.07 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 824 years ago, around 1200.

Nearest systems to it

Also found by Kepler

Sources

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