Imaginary Picture of WASP-48 b

Display orbital revolution of WASP-48 b around the hoststar WASP-48
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Exoplanet Name : WASP-48 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.6700 (Rjup) 18.7190 (Rearth)
Mass (Mjup / Me): 0.9800 (Mjup) 311.5792 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0344 (AU) 0.0344 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0059
Orbital Period(Observed/Estimated) 2.14 (Days Obs.) 2.14 (Days Est.)
Surface Gravity (G Earth) 0.8892
Star Radiation at Atmospheric Boundary: 4076260.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2005.4 (K)
Blackbody T 0.3(K) 1883.3 (K)
Blackbody T 0.7(K) 1523.8 (K)
Tidally Locked Blackbody T 0.1(K) 2384.9 (K)
Tidally Locked Blackbody T 0.3(K) 2239.6 (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-48
Alternate Name :
Star Distance(LY) : 1299.4
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5990 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 11.1
Right Ascension(RA) 291.1624
Declination (DEC) 55.4731
Hubble Space Telescope Guide Star Catalog (GSC) ID 03925-00739
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-48+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-48%20b/
WASP-48 b
WASP-48 b

  • WASP-48 b is an exoplanet orbiting the star WASP-48, located about 1299.4 light-years (398.4 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star WASP-48 has apparent magnitude of 11.1, with absolute magnitude of 3.1.
  • It is 1.2 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5990 with its spectral types of G1
  • In this planetary system, the extrasolar planet WASP-48 b orbits around the star WASP-48 every 2.1 days with its orbital distance of 0.03 AU ( 5152150.7 km)
  • (Projected orbit of WASP-48 b around its host star WASP-48)


  • The Star WASP-48 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.360 AU ( 203493155.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.880 AU ( 281280719.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.865 AU ( 428609569.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.216 AU ( 630717757.9 km)
  • Radiation at Planetary Boundary of WASP-48 b : 4076260.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-48)



  • Kopparapu Recent Venus for Star WASP-48 distance : 1.392 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-48 distance : 1.763 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-48 distance : 1.702 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-48 distance : 1.866 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-48 distance : 3.096 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-48 distance : 3.266 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-48)



  • Original Kopparapu Recent Venus for Star WASP-48 distance : 1.400 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-48 distance : 1.810 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-48 distance : 1.852 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-48 distance : 3.151 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-48 distance : 3.277 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-48)



    (Position in Stellar Map of star WASP-48 and its Exoplanet WASP-48 b)



    (Zoomed position in Stellar Map of star WASP-48 and its Exoplanet WASP-48 b (zoom level 3))

    (Synthetic Spectrum of star WASP-48*)
    *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