Imaginary Picture of WASP-104 b

Display orbital revolution of WASP-104 b around the hoststar WASP-104
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Exoplanet Name : WASP-104 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1370 (Rjup) 12.7446 (Rearth)
Mass (Mjup / Me): 1.2720 (Mjup) 404.4171 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0292 (AU) 0.0292 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0048
Orbital Period(Observed/Estimated) 1.76 (Days Obs.) 1.80 (Days Est.)
Surface Gravity (G Earth) 2.4899
Star Radiation at Atmospheric Boundary: 1098970.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1445.1 (K)
Blackbody T 0.3(K) 1357.1 (K)
Blackbody T 0.7(K) 1098.0 (K)
Tidally Locked Blackbody T 0.1(K) 1718.5 (K)
Tidally Locked Blackbody T 0.3(K) 1613.8 (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-104
Alternate Name :
Star Distance(LY) : 466.4
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5450 (K)
Spectral type : G8
UV portion[%]: 6.6
Visible portion[%]: 42.8
IR portion[%]: 50.5
Metalicity : 0.3
Absolute Magnitude: 5.3
Apparent Magnitude: 11.1
Right Ascension(RA) 160.6024
Declination (DEC) 7.4351
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "A. M. S. Smith, D. R. Anderson, D. J. Armstrong, S. C. C. Barros, A. S. Bonomo, F. Bouchy, D. J. A. Brown, A. Collier Cameron, L. Delrez, F. Faedi, M. Gillon, Y. G_mez Maqueo Chew, G. H_brard, E. Jehin, M. Lendl, T. M. Louden, P. F. L. Maxted, G. Montagnier, M. Neveu-VanMalle, H. P. Osborn, F. Pepe, D. Pollacco, D. Queloz, J. W. Rostron, D. Segransan, B. Smalley, A. H. M. J. Triaud, O. D. Turner, S. Udry, S. R. Walker, R. G. West, P. J. Wheatley"
Discovery Paper - Title WASP-104b and WASP-106b: two transiting hot Jupiters in 1.75-day and 9.3-day orbits
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-104++&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-104%20b/
WASP-104 b
WASP-104 b
  • WASP-104 b is an exoplanet orbiting the star WASP-104, located about 466.4 light-years (143.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star WASP-104 has apparent magnitude of 11.1, with absolute magnitude of 5.3.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5450 with its spectral types of G8
  • In this planetary system, the extrasolar planet WASP-104 b orbits around the star WASP-104 every 1.8 days with its orbital distance of 0.03 AU ( 4365265.9 km)
    • (Projected orbit of WASP-104 b around its host star WASP-104)


  • The Star WASP-104 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.598 AU ( 89522884.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.827 AU ( 123744021.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.260 AU ( 188558503.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.855 AU ( 277472098.3 km)
  • Radiation at Planetary Boundary of WASP-104 b : 1098970.77 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-104)



  • Kopparapu Recent Venus for Star WASP-104 distance : 0.632 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-104 distance : 0.801 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-104 distance : 0.773 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-104 distance : 0.848 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-104 distance : 1.428 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-104 distance : 1.506 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-104)



  • Original Kopparapu Recent Venus for Star WASP-104 distance : 0.629 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-104 distance : 0.824 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-104 distance : 0.833 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-104 distance : 1.452 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-104 distance : 1.510 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-104)



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



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

    (Synthetic Spectrum of star WASP-104*)
    *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