Kepler-68

Display orbital revolution around the star Kepler-68
Imaginary Picture of Star Kepler-68
Star Name : Kepler-68
Alternate Name : "2MASS J19240775+4902249, KIC 11295426, KOI-246, Kepler-68 A, TYC 3551-189-1, WISE J192407.75+490224.8"
Star Distance (LY/pc): 485.3512 (LY) 148.8095 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2400 (Rsun, estimated)
Stellar Mass (Msun): 1.0800 (Msun/observed) 1.0800 (Msun/estimated)
Spectral type : G2
Metalicity : 0.1200
Absolute Magnitude : 3.11
Apparent Magnitude : 8.97
Right Ascension(RA) : 291.03231
Declination(DEC) : 49.04027
  • This is the Kepler-68 . The star Kepler-68 islocated about 485.4 light-years (148.8 pc) away from our Solar System.
  • The star Kepler-68 has apparent magnitude of 9.0, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5793 with its spectral types of G2
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-68 b radius 0.206000 mass 0.024070 orbital distance 0.061700
  • Name of the 2 Planet Kepler-68 c radius 0.082700 mass 0.006420 orbital distance 0.090590
  • Name of the 3 Planet Kepler-68 d radius 0.907830 mass 0.770000 orbital distance 1.400000
    (Illustration of the Kepler-68's Planetary System)



    The Star Kepler-68 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.901 AU ( 134861148.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.246 AU ( 186413351.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.899 AU ( 284052693.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.794 AU ( 417995982.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-68)



    Kopparapu's Recent Venus for Star Kepler-68 distance : 0.934 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-68 distance : 1.182 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-68 distance : 1.142 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-68 distance : 1.252 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-68 distance : 2.087 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-68 distance : 2.201 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-68)



  • Original Kopparapu Recent Venus for Star Kepler-68 distance : 0.935 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-68 distance : 1.215 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-68 distance : 1.237 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-68 distance : 2.123 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-68 distance : 2.208 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-68)



    (Position in Stellar Map of star Kepler-68 )



    (Zoomed position in Stellar Map of star Kepler-68 (zoom level 3))

    (Synthetic Spectrum of star HIP 68468*)
    *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