Imaginary Picture of Kepler-69 c
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Exoplanet Name : Kepler-69 c
Alternate Name :
Radius (Rjup / Re): 0.1530 (Rjup) 1.7150 (Rearth)
Mass (Mjup / Me): 0.0137 (Mjup) 4.3569 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.6400 (AU) 0.6400 (AU Est.)
Eccentricity : 0.1400
Orbital Period(Yrs) 0.6638
Orbital Period(Observed/Estimated) 242.46 (Days Obs.) 207.79 (Days Est.)
Star Radiation at Atmospheric Boundary: 2616.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 319.2 (K)
Blackbody T 0.3(K) 299.8 (K)
Blackbody T 0.7(K) 242.5 (K)
Tidally Locked Blackbody T 0.1(K) 379.6 (K)
Tidally Locked Blackbody T 0.3(K) 356.5 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-69
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5638 (K)
Spectral type : G4V
Metalicity : -0.3
Absolute Magnitude: 25.0
Apparent Magnitude: 13.7
Right Ascension(RA) 293.2625
Declination (DEC) 44.8689
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors "Thomas Barclay1,2, Christopher J. Burke1,3, Steve B. Howell1, Jason F. Rowe1,3, Daniel Huber1, Howard Isaacson4, Jon M. Jenkins1,3, Rea Kolbl4, Geoffrey W. Marcy4, Elisa V. Quintana1,3, Martin Still1,2, Joseph D. Twicken1,3, Stephen T. Bryson1, William J. Borucki1, Douglas A. Caldwell1,3, David Ciardi5, Bruce D. Clarke1,3, Jessie L Christiansen1,3, Jeffrey L. Coughlin1,3, Debra A. Fischer6, Jie Li1,3, Michael R. Haas1, Roger Hunter1, Jack J. Lissauer1, Fergal Mullally1,3, Anima Sabale7, Shawn E. Seader1,3, Jeffrey C. Smith1,3, Peter Tenenbaum1,3, AKM Kamal Uddin7, and Susan E. Thompson1,"
Discovery Paper - Title A SUPER-EARTH-SIZED PLANET ORBITING IN OR NEAR THE HABITABLE ZONE AROUND SUN-LIKE STAR
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-69+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-69%20c/
Kepler-69 c
Kepler-69 c

  • Kepler-69 c is an exoplanet orbiting the star Kepler-69. Its discovery was publicly announced on 2013.
  • The host star Kepler-69 has apparent magnitude of 13.7, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5638 with its spectral types of G4V
  • In this planetary system, the extrasolar planet Kepler-69 c orbits around the star Kepler-69 every 242.5 days with its orbital distance of 0.64 AU ( 95742637.2 km)
  • (Projected orbit of Kepler-69 c around its host star Kepler-69)


  • The Star Kepler-69 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.640 AU ( 95805668.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.885 AU ( 132428470.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.349 AU ( 201791682.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.985 AU ( 296945300.8 km)
  • Radiation at Planetary Boundary of Kepler-69 c : 2616.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-69)



  • Kopparapu Recent Venus for Star Kepler-69 distance : 0.669 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-69 distance : 0.848 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-69 distance : 0.819 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-69 distance : 0.898 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-69 distance : 1.503 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-69 distance : 1.585 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-69)



  • Original Kopparapu Recent Venus for Star Kepler-69 distance : 0.668 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-69 distance : 0.871 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-69 distance : 0.884 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-69 distance : 1.529 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-69 distance : 1.590 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-69)



    (Position in Stellar Map of star Kepler-69 and its Exoplanet Kepler-69 c)



    (Zoomed position in Stellar Map of star Kepler-69 and its Exoplanet Kepler-69 c (zoom level 3))