Imaginary Picture of WASP-142 b

Display orbital revolution of WASP-142 b around the hoststar WASP-142
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Exoplanet Name : WASP-142 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.5300 (Rjup) 17.1498 (Rearth)
Mass (Mjup / Me): 0.8400 (Mjup) 267.0679 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0347 (AU) 0.0347 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0056
Orbital Period(Observed/Estimated) 2.05 (Days Obs.) 2.05 (Days Est.)
Surface Gravity (G Earth) 0.9080
Star Radiation at Atmospheric Boundary: 3573809.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1940.6 (K)
Blackbody T 0.3(K) 1822.4 (K)
Blackbody T 0.7(K) 1474.5 (K)
Tidally Locked Blackbody T 0.1(K) 2307.7 (K)
Tidally Locked Blackbody T 0.3(K) 2167.2 (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-142
Alternate Name :
Star Distance(LY) : 2739.7
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 6010 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 2.7
Apparent Magnitude: 12.3
Right Ascension(RA) 140.5083
Declination (DEC) -23.9461
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link
WASP-142 b
WASP-142 b

  • WASP-142 b is an exoplanet orbiting the star WASP-142, located about 2739.7 light-years (840.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star WASP-142 has apparent magnitude of 12.3, with absolute magnitude of 2.7.
  • It is 1.3 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6010 with its spectral types of F8
  • In this planetary system, the extrasolar planet WASP-142 b orbits around the star WASP-142 every 2.1 days with its orbital distance of 0.03 AU ( 5191046.1 km)
  • (Projected orbit of WASP-142 b around its host star WASP-142)


  • The Star WASP-142 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.283 AU ( 191977753.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.774 AU ( 265363424.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.703 AU ( 404355134.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.978 AU ( 595026293.9 km)
  • Radiation at Planetary Boundary of WASP-142 b : 3573809.88 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-142)



  • Kopparapu Recent Venus for Star WASP-142 distance : 1.311 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-142 distance : 1.661 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-142 distance : 1.604 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-142 distance : 1.758 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-142 distance : 2.916 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-142 distance : 3.076 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-142)



  • Original Kopparapu Recent Venus for Star WASP-142 distance : 1.319 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-142 distance : 1.705 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-142 distance : 1.746 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-142 distance : 2.968 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-142 distance : 3.086 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-142)



    (Position in Stellar Map of star WASP-142 and its Exoplanet WASP-142 b)



    (Zoomed position in Stellar Map of star WASP-142 and its Exoplanet WASP-142 b (zoom level 3))

    (Synthetic Spectrum of star WASP-142*)
    *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