HD 109988

Display orbital revolution around the star HD 109988
Imaginary Picture of Star HD 109988
Star Name : HD 109988
Alternate Name :
Star Distance (LY/pc): 138.7073 (LY) 42.5279 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8690 (Rsun, estimated)
Stellar Mass (Msun): 0.8800 (Msun/observed) 0.8800 (Msun/estimated)
Spectral type : G9/K0V
Metalicity : 0.1400
Absolute Magnitude : 5.76
Apparent Magnitude : 8.90
Right Ascension(RA) : 189.81569
Declination(DEC) : -32.72608
  • This is the HD 109988 . The star HD 109988 islocated about 138.7 light-years (42.5 pc) away from our Solar System.
  • The star HD 109988 has apparent magnitude of 8.9, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5185 with its spectral types of G9/K0V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 109988 b radius 0.907830 mass 21.821000 orbital distance 12.518000
    (Illustration of the HD 109988's Planetary System)



    The Star HD 109988 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.506 AU ( 75713864.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.700 AU ( 104656346.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.066 AU ( 159473111.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.569 AU ( 234671669.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 109988)



    Kopparapu's Recent Venus for Star HD 109988 distance : 0.542 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 109988 distance : 0.687 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 109988 distance : 0.663 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 109988 distance : 0.728 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 109988 distance : 1.236 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 109988 distance : 1.304 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 109988)



  • Original Kopparapu Recent Venus for Star HD 109988 distance : 0.538 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 109988 distance : 0.707 AU
  • Original Kopparapu Moist Greenhouse for Star HD 109988 distance : 0.712 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 109988 distance : 1.257 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 109988 distance : 1.307 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 109988)



    (Position in Stellar Map of star HD 109988 )



    (Zoomed position in Stellar Map of star HD 109988 (zoom level 3))

    (Synthetic Spectrum of star HD 38677*)
    *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