Imaginary Picture of TOI-500 b

Display orbital revolution of TOI-500 b around the hoststar TOI-500
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Exoplanet Name : TOI-500 b
Alternate Name : "HIP 34269 b, GJ 9224 b"
Status : Confirmed
Radius (Rjup / Re): 0.1035 (Rjup) 1.1601 (Rearth)
Mass (Mjup / Me): 0.0050 (Mjup) 1.5897 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0128 (AU) 0.0128 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0015
Orbital Period(Observed/Estimated) 0.55 (Days Obs.) 0.56 (Days Est.)
Surface Gravity (G Earth) 1.1811
Star Radiation at Atmospheric Boundary: 1919779.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1661.3 (K)
Blackbody T 0.3(K) 1560.2 (K)
Blackbody T 0.7(K) 1262.3 (K)
Tidally Locked Blackbody T 0.1(K) 1975.7 (K)
Tidally Locked Blackbody T 0.3(K) 1855.4 (K)
Size Class: 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-500
Alternate Name : "HIP 34269, GJ 9224"
Star Distance(LY) : 154.6
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4621 (K)
Spectral type : K4
UV portion[%]: 1.9
Visible portion[%]: 33.0
IR portion[%]: 65.0
Metalicity : 0.0
Absolute Magnitude: 18.6
Apparent Magnitude: 22.0
Right Ascension(RA) 106.5718
Declination (DEC) -47.6993
Hubble Space Telescope Guide Star Catalog (GSC) ID 08122-00785
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-500&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-500 b
TOI-500 b

  • TOI-500 b is an exoplanet orbiting the star TOI-500, located about 154.6 light-years (47.4 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-500 has apparent magnitude of 22.0, with absolute magnitude of 18.6.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4621 with its spectral types of K4
  • In this planetary system, the extrasolar planet TOI-500 b orbits around the star TOI-500 every 0.5 days with its orbital distance of 0.01 AU ( 1914852.7 km)
  • (Projected orbit of TOI-500 b around its host star TOI-500)


  • The Star TOI-500 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.347 AU ( 51902862.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.480 AU ( 71743320.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.731 AU ( 109320943.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.075 AU ( 160870557.1 km)
  • Radiation at Planetary Boundary of TOI-500 b : 1919779.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-500)



  • Kopparapu Recent Venus for Star TOI-500 distance : 0.382 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-500 distance : 0.483 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-500 distance : 0.466 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-500 distance : 0.512 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-500 distance : 0.890 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-500 distance : 0.938 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-500)



  • Original Kopparapu Recent Venus for Star TOI-500 distance : 0.377 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-500 distance : 0.498 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-500 distance : 0.498 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-500 distance : 0.904 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-500 distance : 0.940 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-500)



    (Position in Stellar Map of star TOI-500 and its Exoplanet TOI-500 b)



    (Zoomed position in Stellar Map of star TOI-500 and its Exoplanet TOI-500 b (zoom level 3))

    (Synthetic Spectrum of star TOI-500*)
    *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