TOI-2018

Display orbital revolution around the star TOI-2018
Imaginary Picture of Star TOI-2018
Star Name : TOI-2018
Alternate Name :
Star Distance (LY/pc): 91.3237 (LY) 28.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6200 (Rsun, estimated)
Stellar Mass (Msun): 0.6600 (Msun/observed) 0.6600 (Msun/estimated)
Spectral type : K6
Metalicity : 0.0000
Absolute Magnitude : 8.01
Apparent Magnitude : 10.25
Right Ascension(RA) : 229.83750
Declination(DEC) : 29.20778
  • This is the TOI-2018 . The star TOI-2018 islocated about 91.3 light-years (28.0 pc) away from our Solar System.
  • The star TOI-2018 has apparent magnitude of 10.2, with absolute magnitude of 8.0.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4219 with its spectral types of K6
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-2018 b radius 0.202500 mass 0.028900 orbital distance 0.000000
  • Name of the 2 Planet TOI-2018 c radius 0.137400 mass 0.011300 orbital distance 0.000000
    (Illustration of the TOI-2018's Planetary System)



    The Star TOI-2018 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.239 AU ( 35765874.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.330 AU ( 49437785.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.504 AU ( 75332245.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.741 AU ( 110854698.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2018)



    Kopparapu's Recent Venus for Star TOI-2018 distance : 0.266 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-2018 distance : 0.337 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2018 distance : 0.326 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-2018 distance : 0.357 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-2018 distance : 0.633 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-2018 distance : 0.668 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2018)



  • Original Kopparapu Recent Venus for Star TOI-2018 distance : 0.263 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2018 distance : 0.348 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2018 distance : 0.348 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2018 distance : 0.643 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2018 distance : 0.669 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2018)



    (Position in Stellar Map of star TOI-2018 )



    (Zoomed position in Stellar Map of star TOI-2018 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1972*)
    *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