Imaginary Picture of TOI-2179 b

Display orbital revolution of TOI-2179 b around the hoststar TIC 237913194
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Exoplanet Name : TOI-2179 b
Alternate Name : TOI-2179 b
Status : Confirmed
Radius (Rjup / Re): 1.1170 (Rjup) 12.5205 (Rearth)
Mass (Mjup / Me): 1.9420 (Mjup) 617.4356 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1207 (AU) 0.1207 (AU Est.)
Eccentricity : 0.5750
Orbital Period(Yrs) 0.0415
Orbital Period(Observed/Estimated) 15.17 (Days Obs.) 15.12 (Days Est.)
Surface Gravity (G Earth) 3.9387
Star Radiation at Atmospheric Boundary: 111831.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 816.2 (K)
Blackbody T 0.3(K) 766.5 (K)
Blackbody T 0.7(K) 620.2 (K)
Tidally Locked Blackbody T 0.1(K) 970.6 (K)
Tidally Locked Blackbody T 0.3(K) 911.5 (K)
Size Class: Jupiter-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 : TIC 237913194
Alternate Name : TOI-2179
Star Distance(LY) : 1009.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.7 (GY)
Temperature : 5788 (K)
Spectral type : G2V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 14.5
Apparent Magnitude: 22.0
Right Ascension(RA) 22.4458
Declination (DEC) -60.7400
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.u-strasbg.fr/simbad/sim-basic?Ident=TIC+237913194&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-2179 b
TOI-2179 b

  • TOI-2179 b is an exoplanet orbiting the star TIC 237913194, located about 1009.8 light-years (309.6 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star TIC 237913194 has apparent magnitude of 22.0, with absolute magnitude of 14.5.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5788 with its spectral types of G2V
  • In this planetary system, the extrasolar planet TOI-2179 b orbits around the star TIC 237913194 every 15.2 days with its orbital distance of 0.12 AU ( 18056463.0 km)
  • (Projected orbit of TOI-2179 b around its host star TIC 237913194)


  • The Star TIC 237913194 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.790 AU ( 118125606.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.091 AU ( 163280458.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.663 AU ( 248803285.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.447 AU ( 366124933.3 km)
  • Radiation at Planetary Boundary of TOI-2179 b : 111830.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TIC 237913194)



  • Kopparapu Recent Venus for Star TIC 237913194 distance : 0.818 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TIC 237913194 distance : 1.036 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TIC 237913194 distance : 1.000 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TIC 237913194 distance : 1.097 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 237913194 distance : 1.829 AU
  • Kopparapu Outer Boundary for Early Mars for Star TIC 237913194 distance : 1.929 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TIC 237913194)



  • Original Kopparapu Recent Venus for Star TIC 237913194 distance : 0.819 AU
  • Original Kopparapu Runaway Greenhouse for Star TIC 237913194 distance : 1.064 AU
  • Original Kopparapu Moist Greenhouse for Star TIC 237913194 distance : 1.084 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 237913194 distance : 1.861 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TIC 237913194 distance : 1.935 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TIC 237913194)



    (Position in Stellar Map of star TIC 237913194 and its Exoplanet TOI-2179 b)



    (Zoomed position in Stellar Map of star TIC 237913194 and its Exoplanet TOI-2179 b (zoom level 3))

    (Synthetic Spectrum of star TIC 237913194*)
    *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