Imaginary Picture of TOI-206 b

Display orbital revolution of TOI-206 b around the hoststar TOI-206
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Exoplanet Name : TOI-206 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1160 (Rjup) 1.3002 (Rearth)
Mass (Mjup / Me): 0.0069 (Mjup) 2.1938 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0112 (AU) 0.0112 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0020
Orbital Period(Observed/Estimated) 0.74 (Days Obs.) 0.73 (Days Est.)
Surface Gravity (G Earth) 1.2976
Star Radiation at Atmospheric Boundary: 156860.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 888.2 (K)
Blackbody T 0.3(K) 834.1 (K)
Blackbody T 0.7(K) 674.9 (K)
Tidally Locked Blackbody T 0.1(K) 1056.3 (K)
Tidally Locked Blackbody T 0.3(K) 992.0 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-206
Alternate Name :
Star Distance(LY) : 155.6
Stellar Radius(Rsun) : 0.3 (Rsun Measured)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3383 (K)
Spectral type : M5
UV portion[%]: 0.3
Visible portion[%]: 12.2
IR portion[%]: 87.5
Metalicity : 0.0
Absolute Magnitude: 18.6
Apparent Magnitude: 22.0
Right Ascension(RA) 73.7372
Declination (DEC) -62.5224
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-206&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-206 b
TOI-206 b

  • TOI-206 b is an exoplanet orbiting the star TOI-206, located about 155.6 light-years (47.7 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-206 has apparent magnitude of 22.0, with absolute magnitude of 18.6.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3383 with its spectral types of M5
  • In this planetary system, the extrasolar planet TOI-206 b orbits around the star TOI-206 every 0.7 days with its orbital distance of 0.01 AU ( 1675496.2 km)
  • (Projected orbit of TOI-206 b around its host star TOI-206)


  • The Star TOI-206 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.087 AU ( 12981657.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.120 AU ( 17944043.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.183 AU ( 27342751.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.269 AU ( 40236056.1 km)
  • Radiation at Planetary Boundary of TOI-206 b : 156860.23 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-206)



  • Kopparapu Recent Venus for Star TOI-206 distance : 0.098 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-206 distance : 0.124 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-206 distance : 0.120 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-206 distance : 0.132 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-206 distance : 0.243 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-206 distance : 0.257 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-206)



  • Original Kopparapu Recent Venus for Star TOI-206 distance : 0.097 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-206 distance : 0.129 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-206 distance : 0.129 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-206 distance : 0.247 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-206 distance : 0.257 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-206)



    (Position in Stellar Map of star TOI-206 and its Exoplanet TOI-206 b)



    (Zoomed position in Stellar Map of star TOI-206 and its Exoplanet TOI-206 b (zoom level 3))

    (Synthetic Spectrum of star TOI-206*)
    *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