TOI-198

Display orbital revolution around the star TOI-198
Imaginary Picture of Star TOI-198
Star Name : TOI-198
Alternate Name :
Star Distance (LY/pc): 90.4300 (LY) 27.7260 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4400 (Rsun, estimated)
Stellar Mass (Msun): 0.4670 (Msun/observed) 0.4670 (Msun/estimated)
Spectral type : M3
Metalicity : -0.7000
Absolute Magnitude : 9.49
Apparent Magnitude : 11.70
Right Ascension(RA) : 2.27083
Declination(DEC) : -27.12167
  • This is the TOI-198 . The star TOI-198 islocated about 90.4 light-years (27.7 pc) away from our Solar System.
  • The star TOI-198 has apparent magnitude of 11.7, with absolute magnitude of 9.5.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3650 with its spectral types of M3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-198 b radius 0.128500 mass 0.011536 orbital distance 0.100000
    (Illustration of the TOI-198's Planetary System)



    The Star TOI-198 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.127 AU ( 18997502.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.176 AU ( 26259513.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.267 AU ( 40013687.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.394 AU ( 58881893.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-198)



    Kopparapu's Recent Venus for Star TOI-198 distance : 0.143 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-198 distance : 0.181 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-198 distance : 0.175 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-198 distance : 0.191 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-198 distance : 0.350 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-198 distance : 0.369 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-198)



  • Original Kopparapu Recent Venus for Star TOI-198 distance : 0.142 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-198 distance : 0.188 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-198 distance : 0.188 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-198 distance : 0.356 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-198 distance : 0.370 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-198)



    (Position in Stellar Map of star TOI-198 )



    (Zoomed position in Stellar Map of star TOI-198 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1656*)
    *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