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Kepler-22b (also known by its Kepler Object of Interest designation KOI-087.01) is an exoplanet orbiting within the habitable zone of the Sun-like star Kepler-22. It is located about 640 light-years (200 parsecs ) from Earth in the constellation of Cygnus .
Kepler-22 is a Sun-like star in the northern constellation of Cygnus, the swan, that is orbited by at least 1 planet found to be unequivocally within the star's habitable zone. It is located at the celestial coordinates : Right Ascension 19 h 16 m 52.2 s , Declination +47° 53′ 3.9″. [ 2 ]
K2-22b (also known as EPIC 201637175 b) is an exoplanet 801 ly from Earth, rapidly orbiting the red dwarf K2-22 with an orbital period of 9.145872 hours. [2] It has a mass of 0.02 M E and a radius below 0.71 M E. [3] The planet was not detected in the K2 photometry. K2 photometry reveals the presence of an anomalous light curve consistent with ...
The Kepler Input Catalog is a publicly searchable database of roughly 13.2 million targets used for the Kepler Spectral Classification Program and the Kepler mission. [ 236 ] [ 237 ] The catalog alone is not used for finding Kepler targets, because only a portion of the listed stars (about one-third of the catalog) can be observed by the ...
Kepler-1638b was thought to be a possibly habitable planet with a radius smaller than 2 R 🜨 after the validation. However based on the later measurement of host star parallax by Gaia , the radius of the planet was revised upward to 3.226 +0.201
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Planet Discovery method Mass (M J) Radius (R J) Density (g/cm 3) Orbital period ()Semimajor axis ()Orbital eccentricity Year of confirmation Ref. Earth (for reference): 0.003 15
An image from Kepler with TrES-2b and another point of interest outlined. Celestial north is towards the lower left corner. In March 2009 NASA launched the Kepler spacecraft. This spacecraft was a dedicated mission to discover extrasolar planets by the transit method from solar orbit.