Imaginary Picture of TOI-4479 b

Display orbital revolution of TOI-4479 b around the hoststar TOI-4479
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Exoplanet Name : TOI-4479 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2516 (Rjup) 2.8202 (Rearth)
Mass (Mjup / Me): 0.0261 (Mjup) 8.2982 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0164 (AU) 0.0164 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0032
Orbital Period(Observed/Estimated) 1.16 (Days Obs.) 1.14 (Days Est.)
Surface Gravity (G Earth) 1.0433
Star Radiation at Atmospheric Boundary: 123932.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 837.4 (K)
Blackbody T 0.3(K) 786.4 (K)
Blackbody T 0.7(K) 636.3 (K)
Tidally Locked Blackbody T 0.1(K) 995.9 (K)
Tidally Locked Blackbody T 0.3(K) 935.2 (K)
Size Class: sub-Neptune-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-4479
Alternate Name :
Star Distance(LY) : 262.9
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3400 (K)
Spectral type : M3
UV portion[%]: 0.2
Visible portion[%]: 10.9
IR portion[%]: 88.8
Metalicity : 0.0
Absolute Magnitude: 10.7
Apparent Magnitude: 15.2
Right Ascension(RA) 316.0958
Declination (DEC) 24.6536
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-4479 b
TOI-4479 b

  • TOI-4479 b is an exoplanet orbiting the star TOI-4479, located about 262.9 light-years (80.6 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-4479 has apparent magnitude of 15.2, with absolute magnitude of 10.7.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3400 with its spectral types of M3
  • In this planetary system, the extrasolar planet TOI-4479 b orbits around the star TOI-4479 every 1.2 days with its orbital distance of 0.02 AU ( 2453405.1 km)
  • (Projected orbit of TOI-4479 b around its host star TOI-4479)


  • The Star TOI-4479 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.113 AU ( 16896334.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.156 AU ( 23355149.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.238 AU ( 35588079.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.350 AU ( 52369417.3 km)
  • Radiation at Planetary Boundary of TOI-4479 b : 123932.69 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-4479)



  • Kopparapu Recent Venus for Star TOI-4479 distance : 0.128 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-4479 distance : 0.162 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-4479 distance : 0.156 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-4479 distance : 0.172 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4479 distance : 0.316 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-4479 distance : 0.334 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-4479)



  • Original Kopparapu Recent Venus for Star TOI-4479 distance : 0.127 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-4479 distance : 0.167 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-4479 distance : 0.168 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4479 distance : 0.321 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-4479 distance : 0.334 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-4479)



    (Position in Stellar Map of star TOI-4479 and its Exoplanet TOI-4479 b)



    (Zoomed position in Stellar Map of star TOI-4479 and its Exoplanet TOI-4479 b (zoom level 3))

    (Synthetic Spectrum of star TOI-4479*)
    *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