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Kepler-22b
|- |- |- Kepler-22b Extrasolar planet List of extrasolar planets |- Artist's conception of Kepler-22b. |- Parent star Star Kepler-22 Constellation Cygnus Right ascension (a) 19h 16m 52.2s Declination (d) +47° 53' 4.0? Apparent magnitude (mV) 11.5 (B-band) Distance 620 ly (190  pc) Spectral type G5V Mass (m) 0.97 M? Radius (r) 0.98 R? Temperature (T) 5518 ± 44 K Orbital elements Semimajor axis (a) 0.85 AU (127 Gm) Orbital period (P) 289.9 d Inclination (i) 89.764 +0.042 -0.025 ° Physical characteristics Mass (m) MJ Radius (r) 2.4 R? Temperature (T) 262 K Discovery information Discovery date 12 May 2009 (first observed) 12/5/2011 (announced) Discoverer(s) Kepler Science Team Detection method Transit Discovery site Kepler telescope Discovery status Published Other designations Database references Extrasolar Planets Encyclopaedia data SIMBAD data Kepler-22b is an extrasolar planet orbiting G-type star Kepler-22. It is located 600 light years away from Earth in the constellation of Cygnus. It was discovered by NASA's Kepler Space Telescope and is the first known transiting planet to orbit within the habitable zone of a Sun-like star. Cite error: There are tags on this page, but the references will not show without a {{Reflist}} template or a tag; see the help page. Cite error: There are tags on this page, but the references will not show without a {{Reflist|group=note}} template or a tag; see the help page.
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