HD 176986
Imaginary Picture of Star HD 176986
Star Name : HD 176986
Alternate Name :
Star Distance (LY/pc): 86.1052 (LY) 26.4000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7820 (Rsun, estimated)
Stellar Mass (Msun): 0.7890 (Msun/observed) 0.7890 (Msun/estimated)
Spectral type : K2.5V
Metalicity : 0.0300
Absolute Magnitude : 6.34
Apparent Magnitude : 8.45
Right Ascension(RA) : 285.77500
Declination(DEC) : -11.04389
  • This is the HD 176986 . The star HD 176986 islocated about 86.1 light-years (26.4 pc) away from our Solar System.
  • The star HD 176986 has apparent magnitude of 8.4, with absolute magnitude of 6.3.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4931 with its spectral types of K2.5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 176986 b radius 0.141321 mass 0.018100 orbital distance 0.062960
  • Name of the 2 Planet HD 176986 c radius 0.159026 mass 0.028900 orbital distance 0.118780
    (Illustration of the HD 176986's Planetary System)



    The Star HD 176986 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.412 AU ( 61621869.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.569 AU ( 85177527.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.868 AU ( 129791702.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.277 AU ( 190994175.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 176986)



    Kopparapu's Recent Venus for Star HD 176986 distance : 0.447 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 176986 distance : 0.566 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 176986 distance : 0.547 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 176986 distance : 0.600 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 176986 distance : 1.029 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 176986 distance : 1.085 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 176986)



  • Original Kopparapu Recent Venus for Star HD 176986 distance : 0.442 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 176986 distance : 0.583 AU
  • Original Kopparapu Moist Greenhouse for Star HD 176986 distance : 0.585 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 176986 distance : 1.046 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 176986 distance : 1.088 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 176986)



    (Position in Stellar Map of star HD 176986 )



    (Zoomed position in Stellar Map of star HD 176986 (zoom level 3))