Imaginary Picture of WASP-108 b

Display orbital revolution of WASP-108 b around the hoststar WASP-108
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Exoplanet Name : WASP-108 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2150 (Rjup) 13.6189 (Rearth)
Mass (Mjup / Me): 1.1670 (Mjup) 371.0336 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0397 (AU) 0.0397 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0073
Orbital Period(Observed/Estimated) 2.68 (Days Obs.) 2.67 (Days Est.)
Surface Gravity (G Earth) 2.0004
Star Radiation at Atmospheric Boundary: 1488611.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1559.0 (K)
Blackbody T 0.3(K) 1464.0 (K)
Blackbody T 0.7(K) 1184.6 (K)
Tidally Locked Blackbody T 0.1(K) 1853.9 (K)
Tidally Locked Blackbody T 0.3(K) 1741.0 (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 : WASP-108
Alternate Name :
Star Distance(LY) : 850.2
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 6000 (K)
Spectral type : F9
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.1
Apparent Magnitude: 11.2
Right Ascension(RA) 195.8280
Declination (DEC) -49.6397
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "D. R. Anderson,D. J. A. Brown, A. Collier Cameron, L. Delrez, A. Fumel, M. Gillon, C. Hellier, E. Jehin, M. Lendl, P. F. L. Maxted, M. Neveu-VanMall F. Pepe, D. Pollacco, D. Queloz, P. Rojo, D. S¥¹¡£¥¹¥åegransan, A. M. Serenelli, B. Smalley, A. M. S. Smith J. Southworth, A. H. M. J. Triaud, O. D. Turner, S. Udry, and R. G. West"
Discovery Paper - Title "Six newly-discovered hot Jupiters transiting F/G stars: WASP-87b, WASP-108b, WASP-109b, WASP-110b, WASP-111b & WASP-112b_"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-108+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-108%20b/
WASP-108 b
WASP-108 b

  • WASP-108 b is an exoplanet orbiting the star WASP-108, located about 850.2 light-years (260.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star WASP-108 has apparent magnitude of 11.2, with absolute magnitude of 4.1.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6000 with its spectral types of F9
  • In this planetary system, the extrasolar planet WASP-108 b orbits around the star WASP-108 every 2.7 days with its orbital distance of 0.04 AU ( 5939035.5 km)
  • (Projected orbit of WASP-108 b around its host star WASP-108)


  • The Star WASP-108 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.948 AU ( 141754512.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.310 AU ( 195941780.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.996 AU ( 298571911.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.937 AU ( 439361647.5 km)
  • Radiation at Planetary Boundary of WASP-108 b : 1488611.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-108)



  • Kopparapu Recent Venus for Star WASP-108 distance : 0.969 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-108 distance : 1.227 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-108 distance : 1.185 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-108 distance : 1.299 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-108 distance : 2.155 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-108 distance : 2.273 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-108)



  • Original Kopparapu Recent Venus for Star WASP-108 distance : 0.975 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-108 distance : 1.260 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-108 distance : 1.290 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-108 distance : 2.193 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-108 distance : 2.281 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-108)



    (Position in Stellar Map of star WASP-108 and its Exoplanet WASP-108 b)



    (Zoomed position in Stellar Map of star WASP-108 and its Exoplanet WASP-108 b (zoom level 3))

    (Synthetic Spectrum of star WASP-108*)
    *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