Imaginary Picture of Kepler-268 c
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Exoplanet Name : Kepler-268 c
Alternate Name :
Radius (Rjup / Re): 0.3020 (Rjup) 3.3851 (Rearth)
Mass (Mjup / Me): 0.0258 (Mjup) 8.2001 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3910 (AU) 0.3910 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2285
Orbital Period(Observed/Estimated) 83.45 (Days Obs.) 95.19 (Days Est.)
Star Radiation at Atmospheric Boundary: 17691.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 514.7 (K)
Blackbody T 0.3(K) 483.4 (K)
Blackbody T 0.7(K) 391.1 (K)
Tidally Locked Blackbody T 0.1(K) 612.1 (K)
Tidally Locked Blackbody T 0.3(K) 574.8 (K)
Size Class: 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-268
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6081 (K)
Spectral type : G0
Metalicity : -0.1
Absolute Magnitude: 25.0
Apparent Magnitude: 12.7
Right Ascension(RA) 291.9762
Declination (DEC) 38.0551
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-268%20c/
Kepler-268 c
Kepler-268 c

  • Kepler-268 c is an exoplanet orbiting the star Kepler-268. Its discovery was publicly announced on 2014.
  • The host star Kepler-268 has apparent magnitude of 12.7, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6081 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-268 c orbits around the star Kepler-268 every 83.4 days with its orbital distance of 0.39 AU ( 58492767.4 km)
  • (Projected orbit of Kepler-268 c around its host star Kepler-268)


  • The Star Kepler-268 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.017 AU ( 152199014.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.406 AU ( 210378812.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.143 AU ( 320570753.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.153 AU ( 471733906.8 km)
  • Radiation at Planetary Boundary of Kepler-268 c : 17691.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-268)



  • Kopparapu Recent Venus for Star Kepler-268 distance : 1.035 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-268 distance : 1.311 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-268 distance : 1.266 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-268 distance : 1.388 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-268 distance : 2.298 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-268 distance : 2.424 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-268)



  • Original Kopparapu Recent Venus for Star Kepler-268 distance : 1.043 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-268 distance : 1.346 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-268 distance : 1.380 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-268 distance : 2.339 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-268 distance : 2.433 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-268)



    (Position in Stellar Map of star Kepler-268 and its Exoplanet Kepler-268 c)



    (Zoomed position in Stellar Map of star Kepler-268 and its Exoplanet Kepler-268 c (zoom level 3))