Imaginary Picture of TOI-4198 b

Display orbital revolution of TOI-4198 b around the hoststar TOI-4198
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Exoplanet Name : TOI-4198 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.0000 (Rjup) 0.0000 (Rearth)
Mass (Mjup / Me): 0.0000 (Mjup) 0.0000 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0553 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0130
Orbital Period(Observed/Estimated) 4.75 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) nan
Star Radiation at Atmospheric Boundary: 485307.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1178.0 (K)
Blackbody T 0.3(K) 1106.3 (K)
Blackbody T 0.7(K) 895.1 (K)
Tidally Locked Blackbody T 0.1(K) 1400.9 (K)
Tidally Locked Blackbody T 0.3(K) 1315.6 (K)
Size Class: Asteroid-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-4198
Alternate Name :
Star Distance(LY) : 1780.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5648 (K)
Spectral type : G5
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.4
Metalicity : 0.1
Absolute Magnitude: 5.7
Apparent Magnitude: 14.4
Right Ascension(RA) 59.0167
Declination (DEC) 3.6100
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.cds.unistra.fr/simbad/sim-basic?Ident=TOI-4198&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-4198 b
TOI-4198 b

  • TOI-4198 b is an exoplanet orbiting the star TOI-4198, located about 1780.8 light-years (546.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-4198 has apparent magnitude of 14.4, with absolute magnitude of 5.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5648 with its spectral types of G5
  • In this planetary system, the extrasolar planet TOI-4198 b orbits around the star TOI-4198 every 4.7 days with its orbital distance of 0.06 AU ( 8268664.8 km)
  • (Projected orbit of TOI-4198 b around its host star TOI-4198)


  • The Star TOI-4198 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.753 AU ( 112687044.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.041 AU ( 155762943.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.587 AU ( 237348255.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.335 AU ( 349268355.5 km)
  • Radiation at Planetary Boundary of TOI-4198 b : 485307.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-4198)



  • Kopparapu Recent Venus for Star TOI-4198 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-4198 distance : 0.996 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-4198 distance : 0.962 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-4198 distance : 1.055 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4198 distance : 1.766 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-4198 distance : 1.862 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-4198)



  • Original Kopparapu Recent Venus for Star TOI-4198 distance : 0.786 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-4198 distance : 1.024 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-4198 distance : 1.040 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4198 distance : 1.797 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-4198 distance : 1.868 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-4198)



    (Position in Stellar Map of star TOI-4198 and its Exoplanet TOI-4198 b)



    (Zoomed position in Stellar Map of star TOI-4198 and its Exoplanet TOI-4198 b (zoom level 3))

    (Synthetic Spectrum of star TOI-4198*)
    *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