KELT-18

Display orbital revolution around the star KELT-18
Imaginary Picture of Star KELT-18
Star Name : KELT-18
Alternate Name :
Star Distance (LY/pc): 1014.3452 (LY) 311.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.9080 (Rsun, estimated)
Stellar Mass (Msun): 1.5240 (Msun/observed) 1.5240 (Msun/estimated)
Spectral type : F4V
Metalicity : 0.0900
Absolute Magnitude : 2.64
Apparent Magnitude : 10.10
Right Ascension(RA) : 216.52500
Declination(DEC) : 59.44417
  • This is the KELT-18 . The star KELT-18 islocated about 1014.3 light-years (311.0 pc) away from our Solar System.
  • The star KELT-18 has apparent magnitude of 10.1, with absolute magnitude of 2.6.
  • It is 1.5 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 6670 with its spectral types of F4V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet KELT-18 b radius 1.570000 mass 1.180000 orbital distance 0.045500
    (Illustration of the KELT-18's Planetary System)



    The Star KELT-18 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.839 AU ( 275098454.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.542 AU ( 380257956.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.873 AU ( 579428974.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.700 AU ( 852655118.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-18)



    Kopparapu's Recent Venus for Star KELT-18 distance : 1.807 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KELT-18 distance : 2.289 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KELT-18 distance : 2.210 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KELT-18 distance : 2.420 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KELT-18 distance : 3.973 AU
    Kopparapu's Outer Boundary for Early Mars for Star KELT-18 distance : 4.190 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-18)



  • Original Kopparapu Recent Venus for Star KELT-18 distance : 1.845 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-18 distance : 2.345 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-18 distance : 2.441 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-18 distance : 4.045 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-18 distance : 4.206 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KELT-18)



    (Position in Stellar Map of star KELT-18 )



    (Zoomed position in Stellar Map of star KELT-18 (zoom level 3))

    (Synthetic Spectrum of star HD 156846*)
    *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