Imaginary Picture of WASP-46 b

Display orbital revolution of WASP-46 b around the hoststar WASP-46
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Exoplanet Name : WASP-46 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3100 (Rjup) 14.6838 (Rearth)
Mass (Mjup / Me): 2.1010 (Mjup) 667.9877 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0245 (AU) 0.0245 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0039
Orbital Period(Observed/Estimated) 1.43 (Days Obs.) 1.43 (Days Est.)
Surface Gravity (G Earth) 3.0981
Star Radiation at Atmospheric Boundary: 1716587.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1615.5 (K)
Blackbody T 0.3(K) 1517.1 (K)
Blackbody T 0.7(K) 1227.5 (K)
Tidally Locked Blackbody T 0.1(K) 1921.2 (K)
Tidally Locked Blackbody T 0.3(K) 1804.2 (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-46
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 1.4 (GY)
Temperature : 5620 (K)
Spectral type : G6V
UV portion[%]: 7.3
Visible portion[%]: 44.0
IR portion[%]: 48.7
Metalicity : -0.4
Absolute Magnitude: 25.0
Apparent Magnitude: 12.9
Right Ascension(RA) 318.7369
Declination (DEC) -55.8717
Hubble Space Telescope Guide Star Catalog (GSC) ID 08797-00758
Discovered by
Discovery Paper - Authors "D. R. Anderson,. Collier Cameron,. Gillon,C. Hellier,. Jehin,. Lendl,. F. L. Maxted,. Queloz,. Smalley,. M. S. Smith,. H. M. J. Triaud,. G. West,. Pepe,. Pollacco,. S_gransan,. Todd,. Udry"
Discovery Paper - Title "WASP-44b, WASP-45b and WASP-46b: three short-period, transiting extrasolar planets"
Discovery Paper - Journal Mon Not R Astron Soc (2012) 422 (3): 1988-1998. DOI: https://doi.org/10.1111/j.1365-2966.2012.20635.x
Discovery Paper - URL https://academic.oup.com/mnras/article/422/3/1988/1041345/WASP-44b-WASP-45b-and-WASP-46b-three-short-period
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-46+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-46%20b/
WASP-46 b
WASP-46 b

  • WASP-46 b is an exoplanet orbiting the star WASP-46. Its discovery was publicly announced on 2011.
  • The host star WASP-46 has apparent magnitude of 12.9, with absolute magnitude of 25.0.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5620 with its spectral types of G6V
  • In this planetary system, the extrasolar planet WASP-46 b orbits around the star WASP-46 every 1.4 days with its orbital distance of 0.02 AU ( 3662155.9 km)
  • (Projected orbit of WASP-46 b around its host star WASP-46)


  • The Star WASP-46 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.627 AU ( 93864220.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.867 AU ( 129744882.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.322 AU ( 197702488.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.945 AU ( 290927873.2 km)
  • Radiation at Planetary Boundary of WASP-46 b : 1716587.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-46)



  • Kopparapu Recent Venus for Star WASP-46 distance : 0.656 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-46 distance : 0.831 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-46 distance : 0.803 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-46 distance : 0.880 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-46 distance : 1.474 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-46 distance : 1.555 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-46)



  • Original Kopparapu Recent Venus for Star WASP-46 distance : 0.655 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-46 distance : 0.855 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-46 distance : 0.867 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-46 distance : 1.500 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-46 distance : 1.560 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-46)



    (Position in Stellar Map of star WASP-46 and its Exoplanet WASP-46 b)



    (Zoomed position in Stellar Map of star WASP-46 and its Exoplanet WASP-46 b (zoom level 3))

    (Synthetic Spectrum of star WASP-46*)
    *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