Imaginary Picture of WASP-68 b

Display orbital revolution of WASP-68 b around the hoststar WASP-68
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Exoplanet Name : WASP-68 b
Alternate Name :
Radius (Rjup / Re): 1.2400 (Rjup) 13.8992 (Rearth)
Mass (Mjup / Me): 0.9500 (Mjup) 302.0411 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0621 (AU) 0.0621 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0139
Orbital Period(Observed/Estimated) 5.08 (Days Obs.) 3.54 (Days Est.)
Surface Gravity (G Earth) 1.5635
Star Radiation at Atmospheric Boundary: 354888.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1089.3 (K)
Blackbody T 0.3(K) 1023.0 (K)
Blackbody T 0.7(K) 827.7 (K)
Tidally Locked Blackbody T 0.1(K) 1295.5 (K)
Tidally Locked Blackbody T 0.3(K) 1216.6 (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-68
Alternate Name :
Star Distance(LY) : 797.4
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 2.5 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5800 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 15.1
Apparent Magnitude: 22.0
Right Ascension(RA) 305.0958
Declination (DEC) -19.3147
Hubble Space Telescope Guide Star Catalog (GSC) ID 06336-00204
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-68+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-68%20b/
WASP-68 b
WASP-68 b

  • WASP-68 b is an exoplanet orbiting the star WASP-68, located about 797.4 light-years (244.5 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star WASP-68 has apparent magnitude of 22.0, with absolute magnitude of 15.1.
  • It is 2.5 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5800 with its spectral types of G2
  • In this planetary system, the extrasolar planet WASP-68 b orbits around the star WASP-68 every 5.1 days with its orbital distance of 0.06 AU ( 9284043.9 km)
  • (Projected orbit of WASP-68 b around its host star WASP-68)


  • The Star WASP-68 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.723 AU ( 108196493.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.000 AU ( 149555829.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.523 AU ( 227889987.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.242 AU ( 335350100.1 km)
  • Radiation at Planetary Boundary of WASP-68 b : 354888.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-68)



  • Kopparapu Recent Venus for Star WASP-68 distance : 0.749 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-68 distance : 0.948 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-68 distance : 0.916 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-68 distance : 1.004 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-68 distance : 1.673 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-68 distance : 1.765 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-68)



  • Original Kopparapu Recent Venus for Star WASP-68 distance : 0.750 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-68 distance : 0.974 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-68 distance : 0.992 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-68 distance : 1.703 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-68 distance : 1.771 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-68)



    (Position in Stellar Map of star WASP-68 and its Exoplanet WASP-68 b)



    (Zoomed position in Stellar Map of star WASP-68 and its Exoplanet WASP-68 b (zoom level 3))

    (Synthetic Spectrum of star WASP-68*)
    *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