Imaginary Picture of WASP-17 b

Display orbital revolution of WASP-17 b around the hoststar WASP-17
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Exoplanet Name : WASP-17 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.9910 (Rjup) 22.3171 (Rearth)
Mass (Mjup / Me): 0.4860 (Mjup) 154.5179 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0515 (AU) 0.0515 (AU Est.)
Eccentricity : 0.0280
Orbital Period(Yrs) 0.0102
Orbital Period(Observed/Estimated) 3.74 (Days Obs.) 3.90 (Days Est.)
Surface Gravity (G Earth) 0.3102
Star Radiation at Atmospheric Boundary: 1722007.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1616.8 (K)
Blackbody T 0.3(K) 1518.3 (K)
Blackbody T 0.7(K) 1228.5 (K)
Tidally Locked Blackbody T 0.1(K) 1922.7 (K)
Tidally Locked Blackbody T 0.3(K) 1805.6 (K)
Size Class: Sub-Star-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-17
Alternate Name :
Star Distance(LY) : 1269.1
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 3.0 (GY)
Temperature : 6650 (K)
Spectral type : F4
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.2
Absolute Magnitude: 3.6
Apparent Magnitude: 11.6
Right Ascension(RA) 239.9623
Declination (DEC) -28.0617
Hubble Space Telescope Guide Star Catalog (GSC) ID 06787-01927
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-17+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-17%20b/
WASP-17 b
WASP-17 b

  • WASP-17 b is an exoplanet orbiting the star WASP-17, located about 1269.1 light-years (389.1 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star WASP-17 has apparent magnitude of 11.6, 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 6650 with its spectral types of F4
  • In this planetary system, the extrasolar planet WASP-17 b orbits around the star WASP-17 every 3.7 days with its orbital distance of 0.05 AU ( 7704290.3 km)
  • (Projected orbit of WASP-17 b around its host star WASP-17)


  • The Star WASP-17 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.322 AU ( 197779142.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.827 AU ( 273382460.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.785 AU ( 416574370.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.098 AU ( 613007435.5 km)
  • Radiation at Planetary Boundary of WASP-17 b : 1722007.77 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-17)



  • Kopparapu Recent Venus for Star WASP-17 distance : 1.301 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-17 distance : 1.647 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-17 distance : 1.591 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-17 distance : 1.743 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-17 distance : 2.860 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-17 distance : 3.016 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-17)



  • Original Kopparapu Recent Venus for Star WASP-17 distance : 1.327 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-17 distance : 1.688 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-17 distance : 1.756 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-17 distance : 2.912 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-17 distance : 3.028 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-17)



    (Position in Stellar Map of star WASP-17 and its Exoplanet WASP-17 b)



    (Zoomed position in Stellar Map of star WASP-17 and its Exoplanet WASP-17 b (zoom level 3))

    (Synthetic Spectrum of star WASP-17*)
    *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