Imaginary Picture of Kepler-65 e

Display orbital revolution of Kepler-65 e around the hoststar Kepler-65
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Exoplanet Name : Kepler-65 e
Alternate Name : "2MASS J19144528+4109042 e, KIC 5866724 e, KOI-85 e, TYC 3125-976-1 e, WISE J191445.29+410904.0 e"
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.8200 (Mjup) 260.7092 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.8562 (AU Est.)
Eccentricity : 0.2830
Orbital Period(Yrs) 0.7085
Orbital Period(Observed/Estimated) 258.80 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.5178
Star Radiation at Atmospheric Boundary: 4949.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 374.4 (K)
Blackbody T 0.3(K) 351.6 (K)
Blackbody T 0.7(K) 284.5 (K)
Tidally Locked Blackbody T 0.1(K) 445.2 (K)
Tidally Locked Blackbody T 0.3(K) 418.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-65
Alternate Name : "KOI 85, KIC 5866724, 2MASS J19144528+4109042, KOI-85, TYC 3125-976-1, WISE J191445.29+410904.0"
Star Distance(LY) : 999.3
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 6211 (K)
Spectral type : B
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 3.6
Apparent Magnitude: 11.0
Right Ascension(RA) 288.6887
Declination (DEC) 41.1512
Hubble Space Telescope Guide Star Catalog (GSC) ID 03125-00976
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-65+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-65 e
Kepler-65 e

  • Kepler-65 e is an exoplanet orbiting the star Kepler-65, located about 999.3 light-years (306.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star Kepler-65 has apparent magnitude of 11.0, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6211 with its spectral types of B
  • In this planetary system, the extrasolar planet Kepler-65 e orbits around the star Kepler-65 every 258.8 days with its orbital distance of 0.86 AU ( 128079055.0 km)
  • (Projected orbit of Kepler-65 e 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 ) : 1.178 AU ( 176278880.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.629 AU ( 243663479.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.482 AU ( 371289220.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.652 AU ( 546368353.6 km)
  • Radiation at Planetary Boundary of Kepler-65 e : 4949.76 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 : 1.190 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-65 distance : 1.507 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-65 distance : 1.455 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-65 distance : 1.594 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-65 distance : 2.634 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-65 distance : 2.778 AU

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



  • Original Kopparapu Recent Venus for Star Kepler-65 distance : 1.202 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-65 distance : 1.546 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-65 distance : 1.591 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-65 distance : 2.681 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-65 distance : 2.788 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 e)



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

    (Synthetic Spectrum of star Kepler-65*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102