Welcome to EverybodyWiki 😃 ! Nuvola apps kgpg.png Log in or ➕👤 create an account to improve, watchlist or create an article like a 🏭 company page or a 👨👩 bio (yours ?)...


From EverybodyWiki Bios & Wiki
Observation data
Epoch       Equinox
Right ascension
Evolutionary stage main sequence star
Spectral type G4V
Variable type Planetary transit
Distance4,973 ly
Other designations
Constellation where Kepler-1638 is located

Kepler-1638 is a G4V-type star located 4,973 light years away in the constellation of Cygnus.[1] At least one exoplanet has been found orbiting the star: Kepler-1638b.[2][3][4][5][6] This planet is a potentially habitable Super-Earth with an Earth Similarity Index of 0.76. As of January 2021, Kepler-1638 is the farthest star with a known potentially habitable exoplanet.[7]

The Kepler-1638 planetary system
(in order from star)
Mass Semimajor axis
Orbital period
Eccentricity Inclination Radius
b 259 1.87 R


  1. "Kepler-1638". www.exoplanetkyoto.org. Retrieved 2021-01-21.
  2. "Kepler-1638 (Planet Orbiting Star) Facts". Universe Guide. Retrieved 2021-01-21.
  3. Burgess, Matt (2016-05-11). "Nasa's Kepler telescope just found 1,284 exoplanets". Wired UK. ISSN 1357-0978. Retrieved 2021-01-22.
  4. "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2021-01-22.
  5. May 2016, Mike Wall 11. "1st Alien Earth Still Elusive Despite Huge Exoplanet Haul". Space.com. Retrieved 2021-01-22.
  6. Morton, Timothy D.; Bryson, Stephen T.; Coughlin, Jeffrey L.; Rowe, Jason F.; Ravichandran, Ganesh; Petigura, Erik A.; Haas, Michael R.; Batalha, Natalie M. (2016-05-10). "False positive probabilties for all Kepler Objects of Interest: 1284 newly validated planets and 428 likely false positives". The Astrophysical Journal. 822 (2): 86. doi:10.3847/0004-637X/822/2/86. ISSN 1538-4357.
  7. "The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo". phl.upr.edu. Retrieved 2021-01-21.

This article "Kepler-1638" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Kepler-1638. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.