Imaginary Picture of WASP-148 b

Display orbital revolution of WASP-148 b around the hoststar WASP-148
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Exoplanet Name : WASP-148 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.7560 (Rjup) 8.4740 (Rearth)
Mass (Mjup / Me): 0.2870 (Mjup) 91.2482 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0822 (AU) 0.0822 (AU Est.)
Eccentricity : 0.2080
Orbital Period(Yrs) 0.0241
Orbital Period(Observed/Estimated) 8.80 (Days Obs.) 8.60 (Days Est.)
Surface Gravity (G Earth) 1.2707
Star Radiation at Atmospheric Boundary: 171330.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 908.0 (K)
Blackbody T 0.3(K) 852.7 (K)
Blackbody T 0.7(K) 690.0 (K)
Tidally Locked Blackbody T 0.1(K) 1079.8 (K)
Tidally Locked Blackbody T 0.3(K) 1014.1 (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-148
Alternate Name :
Star Distance(LY) : 2017.4
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5460 (K)
Spectral type : G7
UV portion[%]: 6.7
Visible portion[%]: 42.9
IR portion[%]: 50.4
Metalicity : 0.1
Absolute Magnitude: 3.0
Apparent Magnitude: 12.0
Right Ascension(RA) 254.1292
Declination (DEC) 44.3025
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.cds.unistra.fr/simbad/sim-basic?Ident=WASP-148&submit=SIMBAD+search
Open Exoplanet Database Link
WASP-148 b
WASP-148 b

  • WASP-148 b is an exoplanet orbiting the star WASP-148, located about 2017.4 light-years (618.5 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star WASP-148 has apparent magnitude of 12.0, with absolute magnitude of 3.0.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5460 with its spectral types of G7
  • In this planetary system, the extrasolar planet WASP-148 b orbits around the star WASP-148 every 8.8 days with its orbital distance of 0.08 AU ( 12289465.1 km)
  • (Projected orbit of WASP-148 b around its host star WASP-148)


  • The Star WASP-148 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.665 AU ( 99513184.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.919 AU ( 137553226.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.401 AU ( 209600676.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.062 AU ( 308436577.5 km)
  • Radiation at Planetary Boundary of WASP-148 b : 171330.51 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-148)



  • Kopparapu Recent Venus for Star WASP-148 distance : 0.702 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-148 distance : 0.889 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-148 distance : 0.859 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-148 distance : 0.942 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-148 distance : 1.585 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-148 distance : 1.672 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-148)



  • Original Kopparapu Recent Venus for Star WASP-148 distance : 0.699 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-148 distance : 0.915 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-148 distance : 0.925 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-148 distance : 1.613 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-148 distance : 1.677 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-148)



    (Position in Stellar Map of star WASP-148 and its Exoplanet WASP-148 b)



    (Zoomed position in Stellar Map of star WASP-148 and its Exoplanet WASP-148 b (zoom level 3))

    (Synthetic Spectrum of star WASP-148*)
    *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