Imaginary Picture of Kepler-65 c
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Exoplanet Name : Kepler-65 c
Alternate Name :
Radius (Rjup / Re): 0.2294 (Rjup) 2.5713 (Rearth)
Mass (Mjup / Me): 0.0840 (Mjup) 26.7068 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0680 (AU) 0.0680 (AU Est.)
Eccentricity : 0.0800
Orbital Period(Yrs) 0.0160
Orbital Period(Observed/Estimated) 5.86 (Days Obs.) 5.91 (Days Est.)
Star Radiation at Atmospheric Boundary: 838069.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1350.4 (K)
Blackbody T 0.3(K) 1268.2 (K)
Blackbody T 0.7(K) 1026.1 (K)
Tidally Locked Blackbody T 0.1(K) 1605.9 (K)
Tidally Locked Blackbody T 0.3(K) 1508.1 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-65
Alternate Name :
Star Distance(LY) : 924.0
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 6220 (K)
Spectral type : B
Metalicity : 0.2
Absolute Magnitude: 3.8
Apparent Magnitude: 11.0
Right Ascension(RA) 288.6875
Declination (DEC) 41.1511
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "W. J. Chaplin, R. Sanchis-Ojeda, T. L. Campante, R. Handberg, D. Stello, J. N. Winn, S. Basu, J. Christensen-Dalsgaard, G. R. Davies, T. S. Metcalfe, L. A. Buchhave, D. A. Fischer, T. R. Bedding, W. D. Cochran, Y. Elsworth, R. L. Gilliland, S. Hekker, D. Huber, H. Isaacson, C. Karo. D. Kawaler, H. Kjeldsen, D. W. Latham, M. N. Lund, M. Lundkvist, G. W. Marcy, A. Miglio, T. Barclay, J. J. Lissauer"
Discovery Paper - Title Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-66
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-65+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-65%20c/
Kepler-65 c
Kepler-65 c

  • Kepler-65 c is an exoplanet orbiting the star Kepler-65, located about 924.0 light-years (283.3 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-65 has apparent magnitude of 11.0, with absolute magnitude of 3.8.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6220 with its spectral types of B
  • In this planetary system, the extrasolar planet Kepler-65 c orbits around the star Kepler-65 every 5.9 days with its orbital distance of 0.07 AU ( 10172655.2 km)
  • (Projected orbit of Kepler-65 c around its host star Kepler-65)


  • The Star Kepler-65 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.218 AU ( 182181593.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.683 AU ( 251822571.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.565 AU ( 383721871.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.775 AU ( 564663543.2 km)
  • Radiation at Planetary Boundary of Kepler-65 c : 838068.95 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-65)



  • Kopparapu Recent Venus for Star Kepler-65 distance : 1.229 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-65 distance : 1.556 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-65 distance : 1.503 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-65 distance : 1.647 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-65 distance : 2.720 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-65 distance : 2.869 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-65)



  • Original Kopparapu Recent Venus for Star Kepler-65 distance : 1.242 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-65 distance : 1.597 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-65 distance : 1.643 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-65 distance : 2.769 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-65 distance : 2.880 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-65)



    (Position in Stellar Map of star Kepler-65 and its Exoplanet Kepler-65 c)



    (Zoomed position in Stellar Map of star Kepler-65 and its Exoplanet Kepler-65 c (zoom level 3))