Kepler-1322

Planetary system · 4404.2 light-years away

Kepler-1322 is 4,404 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 5,488 K star; the first was found in 2016 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-1322 b goes round its star every 23.1 hours, 91 times as often as Mercury goes round the Sun.

The star

Surface temperature5,488 K
Mass0.9 solar masses
Radius0.87 solar radii
Luminosity0.7934 times the Sun
Apparent magnitude15.876
Ageabout 4.47 billion years
Distance from the Sun4404.2 light-years (1350.3 parsecs)
Position (J2000)RA 293.2045°, Dec 45.4354°
ConstellationCygnus

Planets (2)

PlanetYearOrbitRadiusMassFound
Kepler-1322 b23.1 hours0.0183 AU1.61 R⊕3.22 M⊕ estimatedTransit, 2016
Kepler-1322 c6.46 days0.0652 AU2.1549 R⊕5.29 M⊕ estimatedTransit, 2021

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 5,488 K, 0.79 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 0.86 to 1.53 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 4,404 years ago, around 2400 BC.

Nearest systems to it

Also found by Kepler

Sources

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