Imaginary Picture of WASP-187 b

Display orbital revolution of WASP-187 b around the hoststar WASP-187
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Exoplanet Name : WASP-187 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.6400 (Rjup) 18.3828 (Rearth)
Mass (Mjup / Me): 0.8000 (Mjup) 254.3504 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0653 (AU) 0.0653 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0141
Orbital Period(Observed/Estimated) 5.15 (Days Obs.) 4.91 (Days Est.)
Surface Gravity (G Earth) 0.7527
Star Radiation at Atmospheric Boundary: 3294972.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1901.5 (K)
Blackbody T 0.3(K) 1785.7 (K)
Blackbody T 0.7(K) 1444.9 (K)
Tidally Locked Blackbody T 0.1(K) 2261.3 (K)
Tidally Locked Blackbody T 0.3(K) 2123.6 (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-187
Alternate Name :
Star Distance(LY) : 1226.3
Stellar Radius(Rsun) : 2.8 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6150 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 2.4
Apparent Magnitude: 10.3
Right Ascension(RA) 17.4750
Declination (DEC) 25.6817
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-187 b
WASP-187 b

  • WASP-187 b is an exoplanet orbiting the star WASP-187, located about 1226.3 light-years (376.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star WASP-187 has apparent magnitude of 10.3, with absolute magnitude of 2.4.
  • It is 1.5 times more massive and 2.8 times bigger compared with our Sun. The surface temperature is 6150 with its spectral types of G0
  • In this planetary system, the extrasolar planet WASP-187 b orbits around the star WASP-187 every 5.1 days with its orbital distance of 0.07 AU ( 9768741.0 km)
  • (Projected orbit of WASP-187 b around its host star WASP-187)


  • The Star WASP-187 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.319 AU ( 346892395.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.205 AU ( 479495944.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.884 AU ( 730645707.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.187 AU ( 1075177165.7 km)
  • Radiation at Planetary Boundary of WASP-187 b : 3294972.41 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-187)



  • Kopparapu Recent Venus for Star WASP-187 distance : 2.350 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-187 distance : 2.976 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-187 distance : 2.874 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-187 distance : 3.150 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-187 distance : 5.209 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-187 distance : 5.494 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-187)



  • Original Kopparapu Recent Venus for Star WASP-187 distance : 2.371 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-187 distance : 3.054 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-187 distance : 3.137 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-187 distance : 5.302 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-187 distance : 5.514 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-187)



    (Position in Stellar Map of star WASP-187 and its Exoplanet WASP-187 b)



    (Zoomed position in Stellar Map of star WASP-187 and its Exoplanet WASP-187 b (zoom level 3))

    (Synthetic Spectrum of star WASP-187*)
    *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