Imaginary Picture of KELT-12 b
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Exoplanet Name : KELT-12 b
Alternate Name : WASP-86 b
Radius (Rjup / Re): 1.7900 (Rjup) 20.0641 (Rearth)
Mass (Mjup / Me): 0.9500 (Mjup) 302.0411 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0617 (AU) 0.0617 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0138
Orbital Period(Observed/Estimated) 5.03 (Days Obs.) 5.03 (Days Est.)
Star Radiation at Atmospheric Boundary: 861989.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1359.9 (K)
Blackbody T 0.3(K) 1277.1 (K)
Blackbody T 0.7(K) 1033.3 (K)
Tidally Locked Blackbody T 0.1(K) 1617.2 (K)
Tidally Locked Blackbody T 0.3(K) 1518.8 (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-86
Alternate Name : "KELT-12, 2MASS J17503372+3634128, TYC 2619-1057-1 "
Star Distance(LY) : 1174.2
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 6330 (K)
Spectral type : F7
Metalicity : 0.2
Absolute Magnitude: 2.9
Apparent Magnitude: 10.7
Right Ascension(RA) 267.6405
Declination (DEC) 36.5702
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.u-strasbg.fr/simbad/sim-basic?Ident=WASP-86+&submit=SIMBAD+search
Open Exoplanet Database Link
KELT-12 b
KELT-12 b

  • KELT-12 b is an exoplanet orbiting the star WASP-86, located about 1174.2 light-years (360.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star WASP-86 has apparent magnitude of 10.7, with absolute magnitude of 2.9.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6330 with its spectral types of F7
  • In this planetary system, the extrasolar planet KELT-12 b orbits around the star WASP-86 every 5.0 days with its orbital distance of 0.06 AU ( 9230188.6 km)
  • (Projected orbit of KELT-12 b around its host star WASP-86)


  • The Star WASP-86 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.121 AU ( 167645451.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.549 AU ( 231729825.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.360 AU ( 353104971.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.473 AU ( 519609434.1 km)
  • Radiation at Planetary Boundary of KELT-12 b : 861989.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-86)



  • Kopparapu Recent Venus for Star WASP-86 distance : 1.123 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-86 distance : 1.423 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-86 distance : 1.374 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-86 distance : 1.505 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-86 distance : 2.482 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-86 distance : 2.617 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-86)



  • Original Kopparapu Recent Venus for Star WASP-86 distance : 1.138 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-86 distance : 1.459 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-86 distance : 1.506 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-86 distance : 2.526 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-86 distance : 2.627 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-86)



    (Position in Stellar Map of star WASP-86 and its Exoplanet KELT-12 b)



    (Zoomed position in Stellar Map of star WASP-86 and its Exoplanet KELT-12 b (zoom level 3))