HAT-P-68

Display orbital revolution around the star HAT-P-68
Imaginary Picture of Star HAT-P-68
Star Name : HAT-P-68
Alternate Name :
Star Distance (LY/pc): 658.8351 (LY) 202.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6700 (Rsun, estimated)
Stellar Mass (Msun): 0.6785 (Msun/observed) 0.6785 (Msun/estimated)
Spectral type : K4
Metalicity : -0.0600
Absolute Magnitude : 7.47
Apparent Magnitude : 14.00
Right Ascension(RA) : 118.73333
Declination(DEC) : 23.93833
  • This is the HAT-P-68 . The star HAT-P-68 islocated about 658.8 light-years (202.0 pc) away from our Solar System.
  • The star HAT-P-68 has apparent magnitude of 14.0, with absolute magnitude of 7.5.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4508 with its spectral types of K4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HAT-P-68 b radius 1.072000 mass 0.724000 orbital distance 0.029960
    (Illustration of the HAT-P-68's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.295 AU ( 44126626.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.408 AU ( 60994529.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.621 AU ( 92942165.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.914 AU ( 136768468.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-68)



    Kopparapu's Recent Venus for Star HAT-P-68 distance : 0.326 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HAT-P-68 distance : 0.412 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-68 distance : 0.398 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HAT-P-68 distance : 0.437 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HAT-P-68 distance : 0.763 AU
    Kopparapu's Outer Boundary for Early Mars for Star HAT-P-68 distance : 0.805 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-68)



  • Original Kopparapu Recent Venus for Star HAT-P-68 distance : 0.321 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-68 distance : 0.426 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-68 distance : 0.425 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-68 distance : 0.776 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-68 distance : 0.807 AU

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



    (Position in Stellar Map of star HAT-P-68 )



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

    (Synthetic Spectrum of star GJ 3998*)
    *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