Imaginary Picture of WASP-22 b

Display orbital revolution of WASP-22 b around the hoststar WASP-22
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Exoplanet Name : WASP-22 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1990 (Rjup) 13.4396 (Rearth)
Mass (Mjup / Me): 0.6170 (Mjup) 196.1677 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0470 (AU) 0.0470 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.53 (Days Obs.) 3.55 (Days Est.)
Surface Gravity (G Earth) 1.0861
Star Radiation at Atmospheric Boundary: 919476.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1382.1 (K)
Blackbody T 0.3(K) 1297.9 (K)
Blackbody T 0.7(K) 1050.1 (K)
Tidally Locked Blackbody T 0.1(K) 1643.6 (K)
Tidally Locked Blackbody T 0.3(K) 1543.5 (K)
Size Class: 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-22
Alternate Name :
Star Distance(LY) : 1038.7
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6000 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.5
Apparent Magnitude: 12.0
Right Ascension(RA) 52.8180
Declination (DEC) -23.8197
Hubble Space Telescope Guide Star Catalog (GSC) ID 06446-00326
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 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-22+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-22%20b/
WASP-22 b
WASP-22 b

  • WASP-22 b is an exoplanet orbiting the star WASP-22, located about 1038.7 light-years (318.5 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star WASP-22 has apparent magnitude of 12.0, with absolute magnitude of 4.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6000 with its spectral types of G0
  • In this planetary system, the extrasolar planet WASP-22 b orbits around the star WASP-22 every 3.5 days with its orbital distance of 0.05 AU ( 7028108.0 km)
  • (Projected orbit of WASP-22 b around its host star WASP-22)


  • The Star WASP-22 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.881 AU ( 131837529.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.218 AU ( 182233919.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.856 AU ( 277684164.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.731 AU ( 408624412.9 km)
  • Radiation at Planetary Boundary of WASP-22 b : 919476.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-22)



  • Kopparapu Recent Venus for Star WASP-22 distance : 0.901 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-22 distance : 1.141 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-22 distance : 1.102 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-22 distance : 1.208 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-22 distance : 2.004 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-22 distance : 2.114 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-22)



  • Original Kopparapu Recent Venus for Star WASP-22 distance : 0.906 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-22 distance : 1.172 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-22 distance : 1.199 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-22 distance : 2.040 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-22 distance : 2.121 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-22)



    (Position in Stellar Map of star WASP-22 and its Exoplanet WASP-22 b)



    (Zoomed position in Stellar Map of star WASP-22 and its Exoplanet WASP-22 b (zoom level 3))

    (Synthetic Spectrum of star WASP-22*)
    *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