Imaginary Picture of WASP-189 b

Display orbital revolution of WASP-189 b around the hoststar WASP-189
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Exoplanet Name : WASP-189 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.6190 (Rjup) 18.1474 (Rearth)
Mass (Mjup / Me): 1.9900 (Mjup) 632.6966 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0505 (AU) 0.0505 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0075
Orbital Period(Observed/Estimated) 2.72 (Days Obs.) 3.02 (Days Est.)
Surface Gravity (G Earth) 1.9212
Star Radiation at Atmospheric Boundary: 10658821.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2550.2 (K)
Blackbody T 0.3(K) 2394.9 (K)
Blackbody T 0.7(K) 1937.7 (K)
Tidally Locked Blackbody T 0.1(K) 3032.7 (K)
Tidally Locked Blackbody T 0.3(K) 2848.0 (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-189
Alternate Name : HR 5599
Star Distance(LY) : 326.2
Stellar Radius(Rsun) : 2.3 (Rsun Measured)
Stellar Mass(Msun) : 1.9 (Msun Measured) 2.3 (Msun Estimated)
Star Age : 0.9 (GY)
Temperature : 7996 (K)
Spectral type : A6IV-V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 1.6
Apparent Magnitude: 6.6
Right Ascension(RA) 225.6869
Declination (DEC) -3.0314
Hubble Space Telescope Guide Star Catalog (GSC) ID 05004-00900
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-189+&submit=SIMBAD+search
Open Exoplanet Database Link
WASP-189 b
WASP-189 b

  • WASP-189 b is an exoplanet orbiting the star WASP-189, located about 326.2 light-years (100.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star WASP-189 has apparent magnitude of 6.6, with absolute magnitude of 1.6.
  • It is 1.9 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 7996 with its spectral types of A6IV-V
  • In this planetary system, the extrasolar planet WASP-189 b orbits around the star WASP-189 every 2.7 days with its orbital distance of 0.05 AU ( 7559180.4 km)
  • (Projected orbit of WASP-189 b around its host star WASP-189)


  • The Star WASP-189 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 3.227 AU ( 482791487.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.461 AU ( 667344004.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.797 AU ( 1016884580.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 10.003 AU ( 1496390206.7 km)
  • Radiation at Planetary Boundary of WASP-189 b : 10658821.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-189)



  • Kopparapu Recent Venus for Star WASP-189 distance : 3.037 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-189 distance : 3.847 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-189 distance : 3.714 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-189 distance : 4.065 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-189 distance : 6.631 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-189 distance : 6.993 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-189)



  • Original Kopparapu Recent Venus for Star WASP-189 distance : 3.158 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-189 distance : 3.927 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-189 distance : 4.178 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-189 distance : 6.749 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-189 distance : 7.019 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-189)



    (Position in Stellar Map of star WASP-189 and its Exoplanet WASP-189 b)



    (Zoomed position in Stellar Map of star WASP-189 and its Exoplanet WASP-189 b (zoom level 3))

    (Synthetic Spectrum of star WASP-189*)
    *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