Imaginary Picture of TOI-5205 b

Display orbital revolution of TOI-5205 b around the hoststar TOI-5205
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Exoplanet Name : TOI-5205 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0350 (Rjup) 11.6013 (Rearth)
Mass (Mjup / Me): 1.0800 (Mjup) 343.3730 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0199 (AU) 0.0199 (AU Est.)
Eccentricity : 0.0200
Orbital Period(Yrs) 0.0045
Orbital Period(Observed/Estimated) 1.63 (Days Obs.) 1.64 (Days Est.)
Surface Gravity (G Earth) 2.5512
Star Radiation at Atmospheric Boundary: 67238.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 718.7 (K)
Blackbody T 0.3(K) 674.9 (K)
Blackbody T 0.7(K) 546.1 (K)
Tidally Locked Blackbody T 0.1(K) 854.7 (K)
Tidally Locked Blackbody T 0.3(K) 802.6 (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-5205
Alternate Name :
Star Distance(LY) : 283.3
Stellar Radius(Rsun) : 0.4 (Rsun Measured)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3439 (K)
Spectral type : M4.0
UV portion[%]: 0.3
Visible portion[%]: 12.8
IR portion[%]: 86.9
Metalicity : 0.0
Absolute Magnitude: 10.3
Apparent Magnitude: 15.0
Right Ascension(RA) 313.7708
Declination (DEC) 24.3611
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-5205 b
TOI-5205 b

  • TOI-5205 b is an exoplanet orbiting the star TOI-5205, located about 283.3 light-years (86.9 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-5205 has apparent magnitude of 15.0, with absolute magnitude of 10.3.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3439 with its spectral types of M4.0
  • In this planetary system, the extrasolar planet TOI-5205 b orbits around the star TOI-5205 every 1.6 days with its orbital distance of 0.02 AU ( 2976997.6 km)
  • (Projected orbit of TOI-5205 b around its host star TOI-5205)


  • The Star TOI-5205 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.101 AU ( 15101451.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.140 AU ( 20874152.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.213 AU ( 31807588.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.313 AU ( 46806259.8 km)
  • Radiation at Planetary Boundary of TOI-5205 b : 67238.78 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-5205)



  • Kopparapu Recent Venus for Star TOI-5205 distance : 0.114 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-5205 distance : 0.144 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-5205 distance : 0.139 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-5205 distance : 0.153 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-5205 distance : 0.282 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-5205 distance : 0.297 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-5205)



  • Original Kopparapu Recent Venus for Star TOI-5205 distance : 0.113 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-5205 distance : 0.150 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-5205 distance : 0.150 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-5205 distance : 0.286 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-5205 distance : 0.298 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-5205)



    (Position in Stellar Map of star TOI-5205 and its Exoplanet TOI-5205 b)



    (Zoomed position in Stellar Map of star TOI-5205 and its Exoplanet TOI-5205 b (zoom level 3))

    (Synthetic Spectrum of star TOI-5205*)
    *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