Imaginary Picture of TOI-559 b

Display orbital revolution of TOI-559 b around the hoststar TOI-559
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Exoplanet Name : TOI-559 b
Alternate Name :
Radius (Rjup / Re): 1.0910 (Rjup) 12.2290 (Rearth)
Mass (Mjup / Me): 6.0100 (Mjup) 1910.8074 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0723 (AU) 0.0723 (AU Est.)
Eccentricity : 0.1500
Orbital Period(Yrs) 0.0191
Orbital Period(Observed/Estimated) 6.98 (Days Obs.) 7.01 (Days Est.)
Surface Gravity (G Earth) 12.7771
Star Radiation at Atmospheric Boundary: 439549.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1149.2 (K)
Blackbody T 0.3(K) 1079.2 (K)
Blackbody T 0.7(K) 873.2 (K)
Tidally Locked Blackbody T 0.1(K) 1366.6 (K)
Tidally Locked Blackbody T 0.3(K) 1283.4 (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-559
Alternate Name :
Star Distance(LY) : 760.6
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.8 (GY)
Temperature : 5925 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 11.2
Right Ascension(RA) 46.8208
Declination (DEC) -31.1628
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-559 b
TOI-559 b

  • TOI-559 b is an exoplanet orbiting the star TOI-559, located about 760.6 light-years (233.2 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-559 has apparent magnitude of 11.2, with absolute magnitude of 4.4.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5925 with its spectral types of G1
  • In this planetary system, the extrasolar planet TOI-559 b orbits around the star TOI-559 every 7.0 days with its orbital distance of 0.07 AU ( 10815926.1 km)
  • (Projected orbit of TOI-559 b around its host star TOI-559)


  • The Star TOI-559 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.938 AU ( 140280691.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.296 AU ( 193904575.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.975 AU ( 295467662.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.906 AU ( 434793608.5 km)
  • Radiation at Planetary Boundary of TOI-559 b : 439549.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-559)



  • Kopparapu Recent Venus for Star TOI-559 distance : 0.963 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-559 distance : 1.220 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-559 distance : 1.178 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-559 distance : 1.291 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-559 distance : 2.146 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-559 distance : 2.264 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-559)



  • Original Kopparapu Recent Venus for Star TOI-559 distance : 0.967 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-559 distance : 1.253 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-559 distance : 1.280 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-559 distance : 2.184 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-559 distance : 2.271 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-559)



    (Position in Stellar Map of star TOI-559 and its Exoplanet TOI-559 b)



    (Zoomed position in Stellar Map of star TOI-559 and its Exoplanet TOI-559 b (zoom level 3))

    (Synthetic Spectrum of star TOI-559*)
    *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