HD 99109

Display orbital revolution around the star HD 99109
Imaginary Picture of Star HD 99109
Star Name : HD 99109
Alternate Name :
Star Distance (LY/pc): 179.2066 (LY) 54.9451 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8898 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : K0
Metalicity : 0.3150
Absolute Magnitude : 5.40
Apparent Magnitude : 9.10
Right Ascension(RA) : 171.07233
Declination(DEC) : -1.52889
  • This is the HD 99109 . The star HD 99109 islocated about 179.2 light-years (54.9 pc) away from our Solar System.
  • The star HD 99109 has apparent magnitude of 9.1, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5272 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 99109 b radius 0.907830 mass 0.502000 orbital distance 1.105000
    (Illustration of the HD 99109's Planetary System)



    The Star HD 99109 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.536 AU ( 80145579.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.741 AU ( 110782134.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.128 AU ( 168807457.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.661 AU ( 248407568.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 99109)



    Kopparapu's Recent Venus for Star HD 99109 distance : 0.476 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 99109 distance : 0.602 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 99109 distance : 0.582 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 99109 distance : 0.638 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 99109 distance : 1.081 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 99109 distance : 1.140 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 99109)



  • Original Kopparapu Recent Venus for Star HD 99109 distance : 0.472 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 99109 distance : 0.620 AU
  • Original Kopparapu Moist Greenhouse for Star HD 99109 distance : 0.625 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 99109 distance : 1.099 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 99109 distance : 1.143 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 99109)



    (Position in Stellar Map of star HD 99109 )



    (Zoomed position in Stellar Map of star HD 99109 (zoom level 3))

    (Synthetic Spectrum of star HD 28185*)
    *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