Imaginary Picture of WASP-103 b

Display orbital revolution of WASP-103 b around the hoststar WASP-103
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Exoplanet Name : WASP-103 b
Alternate Name :
Radius (Rjup / Re): 1.5280 (Rjup) 17.1274 (Rearth)
Mass (Mjup / Me): 1.4900 (Mjup) 473.7276 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0198 (AU) 0.0198 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0025
Orbital Period(Observed/Estimated) 0.93 (Days Obs.) 0.92 (Days Est.)
Surface Gravity (G Earth) 1.6149
Star Radiation at Atmospheric Boundary: 8944529.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2440.8 (K)
Blackbody T 0.3(K) 2292.2 (K)
Blackbody T 0.7(K) 1854.6 (K)
Tidally Locked Blackbody T 0.1(K) 2902.6 (K)
Tidally Locked Blackbody T 0.3(K) 2725.9 (K)
Size Class: Super-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-103
Alternate Name :
Star Distance(LY) : 1532.9
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 6110 (K)
Spectral type : F8V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 12.0
Right Ascension(RA) 249.3149
Declination (DEC) 7.1833
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "M. Gillon, D. R. Anderson, A. Collier-Cameron, L. Delrez, C. Hellier, E. Jehin, M. Lendl, P. F. L. Maxted, F. Pepe, D. Pollacco, D. Queloz, D. S_gransan, A. M. S. Smith, B. Smalley, J. Southworth, A. H. M. J. Triaud, S. Udry, V. Van Grootel1 and R. G. West"
Discovery Paper - Title WASP-103_b: a new planet at the edge of tidal disruption _
Discovery Paper - Journal
Discovery Paper - URL https://www.aanda.org/articles/aa/abs/2014/02/aa23014-13/aa23014-13.html
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-103+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-103%20b/
WASP-103 b
WASP-103 b

  • WASP-103 b is an exoplanet orbiting the star WASP-103, located about 1532.9 light-years (470.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star WASP-103 has apparent magnitude of 12.0, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6110 with its spectral types of F8V
  • In this planetary system, the extrasolar planet WASP-103 b orbits around the star WASP-103 every 0.9 days with its orbital distance of 0.02 AU ( 2969517.7 km)
  • (Projected orbit of WASP-103 b around its host star WASP-103)


  • The Star WASP-103 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.161 AU ( 173738062.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.605 AU ( 240151404.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.446 AU ( 365937595.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.600 AU ( 538493202.8 km)
  • Radiation at Planetary Boundary of WASP-103 b : 8944529.67 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-103)



  • Kopparapu Recent Venus for Star WASP-103 distance : 1.180 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-103 distance : 1.494 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-103 distance : 1.443 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-103 distance : 1.581 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-103 distance : 2.617 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-103 distance : 2.760 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-103)



  • Original Kopparapu Recent Venus for Star WASP-103 distance : 1.189 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-103 distance : 1.533 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-103 distance : 1.574 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-103 distance : 2.664 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-103 distance : 2.770 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-103)



    (Position in Stellar Map of star WASP-103 and its Exoplanet WASP-103 b)



    (Zoomed position in Stellar Map of star WASP-103 and its Exoplanet WASP-103 b (zoom level 3))

    (Synthetic Spectrum of star WASP-103*)
    *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