Imaginary Picture of TOI-201 b

Display orbital revolution of TOI-201 b around the hoststar TOI-201
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Exoplanet Name : TOI-201 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0000 (Rjup) 11.2090 (Rearth)
Mass (Mjup / Me): 0.4200 (Mjup) 133.5340 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3000 (AU) 0.3000 (AU Est.)
Eccentricity : 0.2800
Orbital Period(Yrs) 0.1450
Orbital Period(Observed/Estimated) 52.98 (Days Obs.) 52.32 (Days Est.)
Surface Gravity (G Earth) 1.0628
Star Radiation at Atmospheric Boundary: 39502.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 629.2 (K)
Blackbody T 0.3(K) 590.9 (K)
Blackbody T 0.7(K) 478.1 (K)
Tidally Locked Blackbody T 0.1(K) 748.3 (K)
Tidally Locked Blackbody T 0.3(K) 702.7 (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 : TOI-201
Alternate Name :
Star Distance(LY) : 372.5
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 0.9 (GY)
Temperature : 6394 (K)
Spectral type : F6V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.2
Absolute Magnitude: 4.4
Apparent Magnitude: 9.7
Right Ascension(RA) 87.4000
Declination (DEC) -54.9108
Hubble Space Telescope Guide Star Catalog (GSC) ID 08524-00391
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TOI-201&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-201 b
TOI-201 b

  • TOI-201 b is an exoplanet orbiting the star TOI-201, located about 372.5 light-years (114.2 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-201 has apparent magnitude of 9.7, with absolute magnitude of 4.4.
  • It is 1.3 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6394 with its spectral types of F6V
  • In this planetary system, the extrasolar planet TOI-201 b orbits around the star TOI-201 every 53.0 days with its orbital distance of 0.30 AU ( 44879361.2 km)
  • (Projected orbit of TOI-201 b around its host star TOI-201)


  • The Star TOI-201 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.166 AU ( 174497476.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.612 AU ( 241201114.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.457 AU ( 367537120.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.615 AU ( 540846973.9 km)
  • Radiation at Planetary Boundary of TOI-201 b : 39502.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-201)



  • Kopparapu Recent Venus for Star TOI-201 distance : 1.165 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-201 distance : 1.475 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-201 distance : 1.424 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-201 distance : 1.561 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-201 distance : 2.570 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-201 distance : 2.711 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-201)



  • Original Kopparapu Recent Venus for Star TOI-201 distance : 1.182 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-201 distance : 1.513 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-201 distance : 1.564 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-201 distance : 2.617 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-201 distance : 2.721 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-201)



    (Position in Stellar Map of star TOI-201 and its Exoplanet TOI-201 b)



    (Zoomed position in Stellar Map of star TOI-201 and its Exoplanet TOI-201 b (zoom level 3))

    (Synthetic Spectrum of star TOI-201*)
    *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