Imaginary Picture of TOI-2196 b

Display orbital revolution of TOI-2196 b around the hoststar TOI-2196
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Exoplanet Name : TOI-2196 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.3131 (Rjup) 3.5095 (Rearth)
Mass (Mjup / Me): 0.0820 (Mjup) 26.0709 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0223 (AU) 0.0223 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0033
Orbital Period(Observed/Estimated) 1.19 (Days Obs.) 1.20 (Days Est.)
Surface Gravity (G Earth) 2.1167
Star Radiation at Atmospheric Boundary: 2693236.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1808.1 (K)
Blackbody T 0.3(K) 1698.0 (K)
Blackbody T 0.7(K) 1373.8 (K)
Tidally Locked Blackbody T 0.1(K) 2150.2 (K)
Tidally Locked Blackbody T 0.3(K) 2019.2 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-2196
Alternate Name :
Star Distance(LY) : 861.0
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5634 (K)
Spectral type : G5
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.5
Metalicity : 0.1
Absolute Magnitude: 5.9
Apparent Magnitude: 13.0
Right Ascension(RA) 312.3417
Declination (DEC) -70.4850
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
TOI-2196 b
TOI-2196 b

  • TOI-2196 b is an exoplanet orbiting the star TOI-2196, located about 861.0 light-years (264.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-2196 has apparent magnitude of 13.0, with absolute magnitude of 5.9.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5634 with its spectral types of G5
  • In this planetary system, the extrasolar planet TOI-2196 b orbits around the star TOI-2196 every 1.2 days with its orbital distance of 0.02 AU ( 3342016.4 km)
  • (Projected orbit of TOI-2196 b around its host star TOI-2196)


  • The Star TOI-2196 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.717 AU ( 107294165.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.991 AU ( 148308576.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.511 AU ( 225989449.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.223 AU ( 332553374.5 km)
  • Radiation at Planetary Boundary of TOI-2196 b : 2693236.31 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2196)



  • Kopparapu Recent Venus for Star TOI-2196 distance : 0.750 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2196 distance : 0.949 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2196 distance : 0.917 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2196 distance : 1.006 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2196 distance : 1.683 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2196 distance : 1.776 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2196)



  • Original Kopparapu Recent Venus for Star TOI-2196 distance : 0.749 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2196 distance : 0.976 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2196 distance : 0.991 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2196 distance : 1.713 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2196 distance : 1.781 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2196)



    (Position in Stellar Map of star TOI-2196 and its Exoplanet TOI-2196 b)



    (Zoomed position in Stellar Map of star TOI-2196 and its Exoplanet TOI-2196 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2196*)
    *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