Imaginary Picture of WASP-47 e
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Exoplanet Name : WASP-47 e
Alternate Name :
Radius (Rjup / Re): 0.1670 (Rjup) 1.8719 (Rearth)
Mass (Mjup / Me): 0.0290 (Mjup) 9.2202 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0173 (AU) 0.0173 (AU Est.)
Eccentricity : 0.0300
Orbital Period(Yrs) 0.0022
Orbital Period(Observed/Estimated) 0.79 (Days Obs.) 0.79 (Days Est.)
Star Radiation at Atmospheric Boundary: 4688172.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2076.8 (K)
Blackbody T 0.3(K) 1950.3 (K)
Blackbody T 0.7(K) 1578.0 (K)
Tidally Locked Blackbody T 0.1(K) 2469.7 (K)
Tidally Locked Blackbody T 0.3(K) 2319.3 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : "Primary Transit, TTV"
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : WASP-47
Alternate Name :
Star Distance(LY) : 652.3
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5400 (K)
Spectral type : G9V
Metalicity : 0.2
Absolute Magnitude: 5.4
Apparent Magnitude: 11.9
Right Ascension(RA) 331.2042
Declination (DEC) -12.0189
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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.;
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-47%20e/
WASP-47 e
WASP-47 e

  • WASP-47 e is an exoplanet orbiting the star WASP-47, located about 652.3 light-years (200.0 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star WASP-47 has apparent magnitude of 11.9, with absolute magnitude of 5.4.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5400 with its spectral types of G9V
  • In this planetary system, the extrasolar planet WASP-47 e orbits around the star WASP-47 every 0.8 days with its orbital distance of 0.02 AU ( 2588043.2 km)
  • (Projected orbit of WASP-47 e around its host star WASP-47)


  • The Star WASP-47 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.733 AU ( 109623489.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.013 AU ( 151528310.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.543 AU ( 230895611.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.271 AU ( 339773007.4 km)
  • Radiation at Planetary Boundary of WASP-47 e : 4688172.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-47)



  • Kopparapu Recent Venus for Star WASP-47 distance : 0.776 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-47 distance : 0.983 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-47 distance : 0.950 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-47 distance : 1.041 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-47 distance : 1.756 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-47 distance : 1.852 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-47)



  • Original Kopparapu Recent Venus for Star WASP-47 distance : 0.772 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-47 distance : 1.012 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-47 distance : 1.022 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-47 distance : 1.786 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-47 distance : 1.857 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-47)



    (Position in Stellar Map of star WASP-47 and its Exoplanet WASP-47 e)



    (Zoomed position in Stellar Map of star WASP-47 and its Exoplanet WASP-47 e (zoom level 3))