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Kepler-442b

Coordinates: Sky map 19h 01m 27.98s, +39° 16′ 48.30″
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Kepler-442b (also known by its Kepler Object of Interest designation KOI-4742.01) is a confirmed near-Earth-sized exoplanet, likely rocky, orbiting within the habitable zone of the K-type star[1] Kepler-442, about 1,120 light-years (342 pc) from Earth in the constellation Lyra.[2][3] The planet was discovered by NASA's Kepler spacecraft using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured. NASA announced the confirmation of the exoplanet on 6 January 2015.[2]

Confirmed exoplanet

Kepler-442b is a near-Earth-sized exoplanet with a radius 1.34 times that of Earth. The planet orbits the K-type star[1] Kepler-442 once every 112.3 days.[2][3]

Habitability

The planet was announced as being located within the habitable zone of Kepler-442, a region where liquid water could exist on the surface of the planet. It was described as being one of the most Earth-like planets, in terms of size and temperature, yet found.[2][3]

Notable Exoplanets – Kepler Space Telescope
Confirmed small exoplanets in habitable zones.
(Kepler-62e, Kepler-62f, Kepler-186f, Kepler-296e, Kepler-296f, Kepler-438b, Kepler-440b, Kepler-442b)
(Kepler Space Telescope; January 6, 2015).[2]

See also

References

  1. ^ a b Gilster, Paul (6 January 2015). "AAS: 8 New Planets in Habitable Zone". Centauri-dreams.org. Retrieved 9 January 2015.
  2. ^ a b c d e Cite error: The named reference NASA-20150106 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference TG-20150107-IS was invoked but never defined (see the help page).
Cite error: A list-defined reference named "Keplercitepaper" is not used in the content (see the help page).
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