Kepler-433

Planetary system · 6126.2 light-years away

Kepler-433 is 6,126 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,360 K star; the first was found in 2015 by transit (Kepler).

Fly there in 3D

Worth knowing

Kepler-433 b goes round its star every 5.33 days, 16 times as often as Mercury goes round the Sun.

The star

Surface temperature6,360 K
Mass1.46 solar masses
Radius2.26 solar radii
Luminosity7.586 times the Sun
Apparent magnitude14.717
Ageabout 2.67 billion years
Distance from the Sun6126.2 light-years (1878.3 parsecs)
Position (J2000)RA 297.5936°, Dec 40.9773°
ConstellationCygnus

Planets (1)

PlanetYearOrbitRadiusMassFound
Kepler-433 b5.33 days0.0679 AU16.25 R⊕896.24 M⊕Transit, 2015

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 6,360 K, 7.6 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 2.53 to 4.40 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 6,126 years ago, around 4100 BC.

Nearest systems to it

Also found by Kepler

Sources

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