Imaginary Picture of WASP-117 b

Display orbital revolution of WASP-117 b around the hoststar WASP-117
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Exoplanet Name : WASP-117 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0210 (Rjup) 11.4444 (Rearth)
Mass (Mjup / Me): 0.2755 (Mjup) 87.5919 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0946 (AU) 0.0946 (AU Est.)
Eccentricity : 0.3020
Orbital Period(Yrs) 0.0274
Orbital Period(Observed/Estimated) 10.02 (Days Obs.) 10.01 (Days Est.)
Surface Gravity (G Earth) 0.6688
Star Radiation at Atmospheric Boundary: 249708.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 997.7 (K)
Blackbody T 0.3(K) 936.9 (K)
Blackbody T 0.7(K) 758.1 (K)
Tidally Locked Blackbody T 0.1(K) 1186.5 (K)
Tidally Locked Blackbody T 0.3(K) 1114.2 (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-117
Alternate Name :
Star Distance(LY) : 510.4
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 6040 (K)
Spectral type : F9
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 10.2
Right Ascension(RA) 36.7754
Declination (DEC) -50.2844
Hubble Space Telescope Guide Star Catalog (GSC) ID 08055-00876
Discovered by
Discovery Paper - Authors "M.Lendl,A.H.M.J.Triaud,D.R.Anderson,A.CollierCameron,L.Delrez,A.Doyle,M.Gillon,C.Hellier, E. Jehin, P.F.L. Maxted, M. Neveu-VanMalle, F. Pepe, D. Pollacco, D. Queloz, D. S_gransan, B. Smalley, A.M.S. Smith, S. Udry, V. Van Grootel, and R.G. West"
Discovery Paper - Title WASP-117b: a 10-day-period Saturn in an eccentric and misaligned orbit
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-117+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-117%20b/
WASP-117 b
WASP-117 b

  • WASP-117 b is an exoplanet orbiting the star WASP-117, located about 510.4 light-years (156.5 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star WASP-117 has apparent magnitude of 10.2, with absolute magnitude of 4.2.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6040 with its spectral types of F9
  • In this planetary system, the extrasolar planet WASP-117 b orbits around the star WASP-117 every 10.0 days with its orbital distance of 0.09 AU ( 14150462.6 km)
  • (Projected orbit of WASP-117 b around its host star WASP-117)


  • The Star WASP-117 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.925 AU ( 138330469.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.278 AU ( 191208859.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.948 AU ( 291359986.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.866 AU ( 428748984.4 km)
  • Radiation at Planetary Boundary of WASP-117 b : 249708.79 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-117)



  • Kopparapu Recent Venus for Star WASP-117 distance : 0.943 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-117 distance : 1.195 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-117 distance : 1.154 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-117 distance : 1.265 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-117 distance : 2.096 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-117 distance : 2.211 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-117)



  • Original Kopparapu Recent Venus for Star WASP-117 distance : 0.950 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-117 distance : 1.226 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-117 distance : 1.257 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-117 distance : 2.133 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-117 distance : 2.218 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-117)



    (Position in Stellar Map of star WASP-117 and its Exoplanet WASP-117 b)



    (Zoomed position in Stellar Map of star WASP-117 and its Exoplanet WASP-117 b (zoom level 3))

    (Synthetic Spectrum of star WASP-117*)
    *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