Imaginary Picture of WASP-12 b
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Exoplanet Name : WASP-12 b
Alternate Name :
Radius (Rjup / Re): 1.9000 (Rjup) 21.2971 (Rearth)
Mass (Mjup / Me): 1.4700 (Mjup) 467.3689 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0234 (AU) 0.0234 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0030
Orbital Period(Observed/Estimated) 1.09 (Days Obs.) 1.09 (Days Est.)
Star Radiation at Atmospheric Boundary: 10061125.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2513.6 (K)
Blackbody T 0.3(K) 2360.6 (K)
Blackbody T 0.7(K) 1910.0 (K)
Tidally Locked Blackbody T 0.1(K) 2989.2 (K)
Tidally Locked Blackbody T 0.3(K) 2807.2 (K)
Size Class: Super-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-12
Alternate Name :
Star Distance(LY) : 1410.6
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 1.7 (GY)
Temperature : 6360 (K)
Spectral type : G0
Metalicity : 0.3
Absolute Magnitude: 3.5
Apparent Magnitude: 11.7
Right Ascension(RA) 97.6366
Declination (DEC) 29.6722
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.; 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-12+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-12%20b/
WASP-12 b
WASP-12 b

  • WASP-12 b is an exoplanet orbiting the star WASP-12, located about 1410.6 light-years (432.5 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star WASP-12 has apparent magnitude of 11.7, with absolute magnitude of 3.5.
  • It is 1.4 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 6360 with its spectral types of G0
  • In this planetary system, the extrasolar planet WASP-12 b orbits around the star WASP-12 every 1.1 days with its orbital distance of 0.02 AU ( 3500590.2 km)
  • (Projected orbit of WASP-12 b around its host star WASP-12)


  • The Star WASP-12 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.452 AU ( 217217520.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.007 AU ( 300251379.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.058 AU ( 457516656.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.500 AU ( 673255802.4 km)
  • Radiation at Planetary Boundary of WASP-12 b : 10061125.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-12)



  • Kopparapu Recent Venus for Star WASP-12 distance : 1.453 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-12 distance : 1.840 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-12 distance : 1.777 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-12 distance : 1.947 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-12 distance : 3.208 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-12 distance : 3.383 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-12)



  • Original Kopparapu Recent Venus for Star WASP-12 distance : 1.473 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-12 distance : 1.887 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-12 distance : 1.949 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-12 distance : 3.266 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-12 distance : 3.396 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-12)



    (Position in Stellar Map of star WASP-12 and its Exoplanet WASP-12 b)



    (Zoomed position in Stellar Map of star WASP-12 and its Exoplanet WASP-12 b (zoom level 3))