Imaginary Picture of WASP-146 b

Display orbital revolution of WASP-146 b around the hoststar WASP-146
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Exoplanet Name : WASP-146 b
Alternate Name :
Radius (Rjup / Re): 1.2280 (Rjup) 13.7647 (Rearth)
Mass (Mjup / Me): 1.1100 (Mjup) 352.9112 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0451 (AU) 0.0451 (AU Est.)
Eccentricity : 0.1500
Orbital Period(Yrs) 0.0093
Orbital Period(Observed/Estimated) 3.40 (Days Obs.) 3.40 (Days Est.)
Surface Gravity (G Earth) 1.8627
Star Radiation at Atmospheric Boundary: 1389154.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1532.3 (K)
Blackbody T 0.3(K) 1438.9 (K)
Blackbody T 0.7(K) 1164.3 (K)
Tidally Locked Blackbody T 0.1(K) 1822.2 (K)
Tidally Locked Blackbody T 0.3(K) 1711.2 (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-146
Alternate Name :
Star Distance(LY) : 1614.5
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 6.9 (GY)
Temperature : 6100 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 12.9
Right Ascension(RA) 359.0917
Declination (DEC) -13.2717
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
WASP-146 b
WASP-146 b

  • WASP-146 b is an exoplanet orbiting the star WASP-146, located about 1614.5 light-years (495.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star WASP-146 has apparent magnitude of 12.9, with absolute magnitude of 4.4.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6100 with its spectral types of G0
  • In this planetary system, the extrasolar planet WASP-146 b orbits around the star WASP-146 every 3.4 days with its orbital distance of 0.05 AU ( 6746864.0 km)
  • (Projected orbit of WASP-146 b around its host star WASP-146)


  • The Star WASP-146 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.040 AU ( 155563423.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.437 AU ( 215029305.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.190 AU ( 327657075.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.223 AU ( 482161739.9 km)
  • Radiation at Planetary Boundary of WASP-146 b : 1389154.30 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-146)



  • Kopparapu Recent Venus for Star WASP-146 distance : 1.057 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-146 distance : 1.338 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-146 distance : 1.293 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-146 distance : 1.417 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-146 distance : 2.345 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-146 distance : 2.474 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-146)



  • Original Kopparapu Recent Venus for Star WASP-146 distance : 1.065 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-146 distance : 1.374 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-146 distance : 1.410 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-146 distance : 2.387 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-146 distance : 2.483 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-146)



    (Position in Stellar Map of star WASP-146 and its Exoplanet WASP-146 b)



    (Zoomed position in Stellar Map of star WASP-146 and its Exoplanet WASP-146 b (zoom level 3))

    (Synthetic Spectrum of star WASP-146*)
    *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