HD 68988

Display orbital revolution around the star HD 68988
Imaginary Picture of Star HD 68988
Star Name : HD 68988
Alternate Name :
Star Distance (LY/pc): 195.5372 (LY) 59.9520 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1400 (Rsun, estimated)
Stellar Mass (Msun): 1.2000 (Msun/observed) 1.2000 (Msun/estimated)
Spectral type : G0
Metalicity : 0.2400
Absolute Magnitude : 4.32
Apparent Magnitude : 8.21
Right Ascension(RA) : 124.59239
Declination(DEC) : 61.46056
  • This is the HD 68988 . The star HD 68988 islocated about 195.5 light-years (60.0 pc) away from our Solar System.
  • The star HD 68988 has apparent magnitude of 8.2, with absolute magnitude of 4.3.
  • It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5767 with its spectral types of G0
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 68988 b radius 1.049893 mass 1.860000 orbital distance 0.070400
  • Name of the 2 Planet HD 68988 c radius 0.907830 mass 15.000000 orbital distance 13.200000
    (Illustration of the HD 68988's Planetary System)



    The Star HD 68988 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.821 AU ( 122874812.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.135 AU ( 169845101.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.730 AU ( 258806347.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.546 AU ( 380844878.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 68988)



    Kopparapu's Recent Venus for Star HD 68988 distance : 0.852 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 68988 distance : 1.079 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 68988 distance : 1.042 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 68988 distance : 1.142 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 68988 distance : 1.906 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 68988 distance : 2.010 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 68988)



  • Original Kopparapu Recent Venus for Star HD 68988 distance : 0.853 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 68988 distance : 1.109 AU
  • Original Kopparapu Moist Greenhouse for Star HD 68988 distance : 1.128 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 68988 distance : 1.939 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 68988 distance : 2.016 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 68988)



    (Position in Stellar Map of star HD 68988 )



    (Zoomed position in Stellar Map of star HD 68988 (zoom level 3))

    (Synthetic Spectrum of star HD 11977*)
    *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