Imaginary Picture of TOI-4600 b

Display orbital revolution of TOI-4600 b around the hoststar TOI-4600
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Exoplanet Name : TOI-4600 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.6070 (Rjup) 6.8039 (Rearth)
Mass (Mjup / Me): 0.2192 (Mjup) 69.7007 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3490 (AU) 0.3490 (AU Est.)
Eccentricity : 0.2500
Orbital Period(Yrs) 0.2264
Orbital Period(Observed/Estimated) 82.69 (Days Obs.) 79.82 (Days Est.)
Surface Gravity (G Earth) 1.5057
Star Radiation at Atmospheric Boundary: 4719.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 369.9 (K)
Blackbody T 0.3(K) 347.4 (K)
Blackbody T 0.7(K) 281.1 (K)
Tidally Locked Blackbody T 0.1(K) 439.9 (K)
Tidally Locked Blackbody T 0.3(K) 413.1 (K)
Size Class: sub-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-4600
Alternate Name :
Star Distance(LY) : 706.0
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 2.3 (GY)
Temperature : 5170 (K)
Spectral type : K1
UV portion[%]: 4.7
Visible portion[%]: 39.7
IR portion[%]: 55.6
Metalicity : 0.2
Absolute Magnitude: 5.9
Apparent Magnitude: 12.6
Right Ascension(RA) 258.4500
Declination (DEC) 64.5661
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-4600 b
TOI-4600 b

  • TOI-4600 b is an exoplanet orbiting the star TOI-4600, located about 706.0 light-years (216.4 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-4600 has apparent magnitude of 12.6, with absolute magnitude of 5.9.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5170 with its spectral types of K1
  • In this planetary system, the extrasolar planet TOI-4600 b orbits around the star TOI-4600 every 82.7 days with its orbital distance of 0.35 AU ( 52209656.9 km)
  • (Projected orbit of TOI-4600 b around its host star TOI-4600)


  • The Star TOI-4600 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.469 AU ( 70165595.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.648 AU ( 96987189.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.988 AU ( 147787014.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.454 AU ( 217475065.5 km)
  • Radiation at Planetary Boundary of TOI-4600 b : 4719.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-4600)



  • Kopparapu Recent Venus for Star TOI-4600 distance : 0.503 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-4600 distance : 0.637 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-4600 distance : 0.615 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-4600 distance : 0.675 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4600 distance : 1.147 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-4600 distance : 1.210 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-4600)



  • Original Kopparapu Recent Venus for Star TOI-4600 distance : 0.499 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-4600 distance : 0.656 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-4600 distance : 0.660 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4600 distance : 1.166 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-4600 distance : 1.213 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-4600)



    (Position in Stellar Map of star TOI-4600 and its Exoplanet TOI-4600 b)



    (Zoomed position in Stellar Map of star TOI-4600 and its Exoplanet TOI-4600 b (zoom level 3))

    (Synthetic Spectrum of star TOI-4600*)
    *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