Imaginary Picture of TOI-811 b

Display orbital revolution of TOI-811 b around the hoststar TOI-811
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Exoplanet Name : TOI-811 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3500 (Rjup) 15.1322 (Rearth)
Mass (Mjup / Me): 55.3000 (Mjup) 17581.9714 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1554 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0689
Orbital Period(Observed/Estimated) 25.17 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 76.7832
Star Radiation at Atmospheric Boundary: 67950.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 720.6 (K)
Blackbody T 0.3(K) 676.7 (K)
Blackbody T 0.7(K) 547.5 (K)
Tidally Locked Blackbody T 0.1(K) 856.9 (K)
Tidally Locked Blackbody T 0.3(K) 804.8 (K)
Size Class: Super-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-811
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6013 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.4
Absolute Magnitude: 25.0
Apparent Magnitude: 11.4
Right Ascension(RA) 88.0292
Declination (DEC) -32.9186
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-811 b
TOI-811 b

  • TOI-811 b is an exoplanet orbiting the star TOI-811. Its discovery was publicly announced on 2020.
  • The host star TOI-811 has apparent magnitude of 11.4, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 6013 with its spectral types of G0
  • In this planetary system, the extrasolar planet TOI-811 b orbits around the star TOI-811 every 25.2 days with its orbital distance of 0.16 AU ( 23242247.2 km)
  • (Projected orbit of TOI-811 b around its host star TOI-811)


  • The Star TOI-811 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.792 AU ( 118523320.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.095 AU ( 163830203.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.669 AU ( 249640973.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.456 AU ( 367357629.0 km)
  • Radiation at Planetary Boundary of TOI-811 b : 67950.21 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-811)



  • Kopparapu Recent Venus for Star TOI-811 distance : 0.810 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-811 distance : 1.025 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-811 distance : 0.990 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-811 distance : 1.085 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-811 distance : 1.800 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-811 distance : 1.898 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-811)



  • Original Kopparapu Recent Venus for Star TOI-811 distance : 0.815 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-811 distance : 1.053 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-811 distance : 1.078 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-811 distance : 1.832 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-811 distance : 1.905 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-811)



    (Position in Stellar Map of star TOI-811 and its Exoplanet TOI-811 b)



    (Zoomed position in Stellar Map of star TOI-811 and its Exoplanet TOI-811 b (zoom level 3))

    (Synthetic Spectrum of star TOI-811*)
    *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