Imaginary Picture of TOI-104 b

Display orbital revolution of TOI-104 b around the hoststar WASP-73
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Exoplanet Name : TOI-104 b
Alternate Name : WASP-73 b
Status : Confirmed
Radius (Rjup / Re): 1.1600 (Rjup) 13.0024 (Rearth)
Mass (Mjup / Me): 1.8800 (Mjup) 597.7234 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0551 (AU) 0.0551 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0112
Orbital Period(Observed/Estimated) 4.09 (Days Obs.) 4.08 (Days Est.)
Surface Gravity (G Earth) 3.5355
Star Radiation at Atmospheric Boundary: 2286632.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1735.6 (K)
Blackbody T 0.3(K) 1629.9 (K)
Blackbody T 0.7(K) 1318.7 (K)
Tidally Locked Blackbody T 0.1(K) 2064.0 (K)
Tidally Locked Blackbody T 0.3(K) 1938.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : WASP-73
Alternate Name :
Star Distance(LY) : 1186.0
Stellar Radius(Rsun) : 2.1 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6030 (K)
Spectral type : F9
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 2.7
Apparent Magnitude: 10.5
Right Ascension(RA) 319.9496
Declination (DEC) -57.8511
Hubble Space Telescope Guide Star Catalog (GSC) ID 08805-00131
Discovered by
Discovery Paper - Authors "L. Delrez, V. Van Grootel, D. R. Anderson, A. Collier-Cameron, A. P. Doyle, A. Fumel, M. Gillon, C. Hellier, E. Jehin, M. Lendl, M. Neveu-VanMalle, P. F. L. Maxted, F. Pepe, D. Pollacco, D. Queloz, D. S_gransan, B. Smalley, A. M. S. Smith, J. Southworth, A. H. M. J. Triaud, S. Udry, R. G. West"
Discovery Paper - Title "Transiting planets from WASP-South, Euler and TRAPPIST: WASP-68 b, WASP-73 b and WASP-88 b, three hot Jupiters transiting evolved solar-type stars"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-73+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-73%20b/
TOI-104 b
TOI-104 b

  • TOI-104 b is an exoplanet orbiting the star WASP-73, located about 1186.0 light-years (363.6 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star WASP-73 has apparent magnitude of 10.5, with absolute magnitude of 2.7.
  • It is 1.3 times more massive and 2.1 times bigger compared with our Sun. The surface temperature is 6030 with its spectral types of F9
  • In this planetary system, the extrasolar planet TOI-104 b orbits around the star WASP-73 every 4.1 days with its orbital distance of 0.06 AU ( 8245834.6 km)
  • (Projected orbit of TOI-104 b around its host star WASP-73)


  • The Star WASP-73 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.631 AU ( 243928801.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.254 AU ( 337173350.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.434 AU ( 513777569.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.054 AU ( 756046200.2 km)
  • Radiation at Planetary Boundary of TOI-104 b : 2286632.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-73)



  • Kopparapu Recent Venus for Star WASP-73 distance : 1.664 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-73 distance : 2.108 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-73 distance : 2.036 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-73 distance : 2.231 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-73 distance : 3.699 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-73 distance : 3.901 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-73)



  • Original Kopparapu Recent Venus for Star WASP-73 distance : 1.675 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-73 distance : 2.164 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-73 distance : 2.217 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-73 distance : 3.765 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-73 distance : 3.915 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-73)



    (Position in Stellar Map of star WASP-73 and its Exoplanet TOI-104 b)



    (Zoomed position in Stellar Map of star WASP-73 and its Exoplanet TOI-104 b (zoom level 3))

    (Synthetic Spectrum of star WASP-73*)
    *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