Imaginary Picture of WASP-186 b

Display orbital revolution of WASP-186 b around the hoststar WASP-186
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Exoplanet Name : WASP-186 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1100 (Rjup) 12.4420 (Rearth)
Mass (Mjup / Me): 4.2200 (Mjup) 1341.6984 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0600 (AU) 0.0600 (AU Est.)
Eccentricity : 0.3300
Orbital Period(Yrs) 0.0138
Orbital Period(Observed/Estimated) 5.03 (Days Obs.) 4.86 (Days Est.)
Surface Gravity (G Earth) 8.6671
Star Radiation at Atmospheric Boundary: 1205142.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1478.8 (K)
Blackbody T 0.3(K) 1388.7 (K)
Blackbody T 0.7(K) 1123.6 (K)
Tidally Locked Blackbody T 0.1(K) 1758.6 (K)
Tidally Locked Blackbody T 0.3(K) 1651.5 (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-186
Alternate Name :
Star Distance(LY) : 913.2
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6361 (K)
Spectral type : F7
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.4
Apparent Magnitude: 10.6
Right Ascension(RA) 18.9958
Declination (DEC) 21.6169
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-186 b
WASP-186 b

  • WASP-186 b is an exoplanet orbiting the star WASP-186, located about 913.2 light-years (280.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star WASP-186 has apparent magnitude of 10.6, with absolute magnitude of 3.4.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6361 with its spectral types of F7
  • In this planetary system, the extrasolar planet WASP-186 b orbits around the star WASP-186 every 5.0 days with its orbital distance of 0.06 AU ( 8975872.2 km)
  • (Projected orbit of WASP-186 b around its host star WASP-186)


  • The Star WASP-186 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.289 AU ( 192764137.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.781 AU ( 266450412.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.714 AU ( 406011463.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.994 AU ( 597463654.8 km)
  • Radiation at Planetary Boundary of WASP-186 b : 1205142.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-186)



  • Kopparapu Recent Venus for Star WASP-186 distance : 1.289 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-186 distance : 1.633 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-186 distance : 1.577 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-186 distance : 1.728 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-186 distance : 2.847 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-186 distance : 3.002 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-186)



  • Original Kopparapu Recent Venus for Star WASP-186 distance : 1.307 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-186 distance : 1.674 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-186 distance : 1.730 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-186 distance : 2.898 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-186 distance : 3.014 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-186)



    (Position in Stellar Map of star WASP-186 and its Exoplanet WASP-186 b)



    (Zoomed position in Stellar Map of star WASP-186 and its Exoplanet WASP-186 b (zoom level 3))

    (Synthetic Spectrum of star WASP-186*)
    *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