Imaginary Picture of Kepler-216 c
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Exoplanet Name : Kepler-216 c
Alternate Name :
Radius (Rjup / Re): 0.2710 (Rjup) 3.0376 (Rearth)
Mass (Mjup / Me): 0.0233 (Mjup) 7.4143 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1360 (AU) 0.1360 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0477
Orbital Period(Observed/Estimated) 17.41 (Days Obs.) 11.59 (Days Est.)
Star Radiation at Atmospheric Boundary: 144884.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 870.8 (K)
Blackbody T 0.3(K) 817.7 (K)
Blackbody T 0.7(K) 661.6 (K)
Tidally Locked Blackbody T 0.1(K) 1035.5 (K)
Tidally Locked Blackbody T 0.3(K) 972.5 (K)
Size Class: sub-Neptune-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-216
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 2.5 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6091 (K)
Spectral type : G0
Metalicity : -0.2
Absolute Magnitude: 25.0
Apparent Magnitude: 13.0
Right Ascension(RA) 293.7281
Declination (DEC) 46.1292
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-216%20c/
Kepler-216 c
Kepler-216 c

  • Kepler-216 c is an exoplanet orbiting the star Kepler-216. Its discovery was publicly announced on 2014.
  • The host star Kepler-216 has apparent magnitude of 13.0, with absolute magnitude of 25.0.
  • It is 2.5 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6091 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-216 c orbits around the star Kepler-216 every 17.4 days with its orbital distance of 0.14 AU ( 20345310.4 km)
  • (Projected orbit of Kepler-216 c around its host star Kepler-216)


  • The Star Kepler-216 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.013 AU ( 151497636.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.400 AU ( 209409324.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.133 AU ( 319093468.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.139 AU ( 469560016.7 km)
  • Radiation at Planetary Boundary of Kepler-216 c : 144884.69 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-216)



  • Kopparapu Recent Venus for Star Kepler-216 distance : 1.030 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-216 distance : 1.304 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-216 distance : 1.260 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-216 distance : 1.381 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-216 distance : 2.286 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-216 distance : 2.411 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-216)



  • Original Kopparapu Recent Venus for Star Kepler-216 distance : 1.038 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-216 distance : 1.339 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-216 distance : 1.373 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-216 distance : 2.327 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-216 distance : 2.420 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-216)



    (Position in Stellar Map of star Kepler-216 and its Exoplanet Kepler-216 c)



    (Zoomed position in Stellar Map of star Kepler-216 and its Exoplanet Kepler-216 c (zoom level 3))