Imaginary Picture of WASP-129 b

Display orbital revolution of WASP-129 b around the hoststar WASP-129
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Exoplanet Name : WASP-129 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9300 (Rjup) 10.4244 (Rearth)
Mass (Mjup / Me): 1.0000 (Mjup) 317.9380 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0628 (AU) 0.0628 (AU Est.)
Eccentricity : 0.0960
Orbital Period(Yrs) 0.0157
Orbital Period(Observed/Estimated) 5.75 (Days Obs.) 5.75 (Days Est.)
Surface Gravity (G Earth) 2.9258
Star Radiation at Atmospheric Boundary: 305195.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1049.0 (K)
Blackbody T 0.3(K) 985.1 (K)
Blackbody T 0.7(K) 797.1 (K)
Tidally Locked Blackbody T 0.1(K) 1247.5 (K)
Tidally Locked Blackbody T 0.3(K) 1171.5 (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-129
Alternate Name :
Star Distance(LY) : 1019.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 1.0 (GY)
Temperature : 5900 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.8
Apparent Magnitude: 12.3
Right Ascension(RA) 176.2990
Declination (DEC) -42.0639
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "P. F. L. Maxted (Keele, UK), D. R. Anderson (Keele, UK), A. Collier Cameron (St Andrews, UK), L. Delrez (Li_ge, Belgium), M. Gillon (Li_ge, Belgium), C. Hellier (Keele, UK), E. Jehin (Li_ge, Belgium), M. Lendl (Graz, Austria), M. Neveu-VanMalle (Geneva), F. Pepe (Geneva), D. Pollacco (Warwick, UK), D. Queloz (Cambridge, UK), D. S_gransan (Geneva), B. Smalley (Keele, UK), A. M. S. Smith (DLR, Berlin), J. Southworth (Keele, UK), A. H. M. J. Triaud (Cambridge, UK), S. Udry (Geneva), T. Wagg (Keele, UK), R. G. West (Warwick, UK)"
Discovery Paper - Title "Five transiting hot Jupiters discovered using WASP-South, Euler and TRAPPIST: WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b and WASP-133 b"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-129++&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-129%20b/
WASP-129 b
WASP-129 b
  • WASP-129 b is an exoplanet orbiting the star WASP-129, located about 1019.2 light-years (312.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star WASP-129 has apparent magnitude of 12.3, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5900 with its spectral types of G1
  • In this planetary system, the extrasolar planet WASP-129 b orbits around the star WASP-129 every 5.7 days with its orbital distance of 0.06 AU ( 9394746.3 km)
    • (Projected orbit of WASP-129 b around its host star WASP-129)


  • The Star WASP-129 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.679 AU ( 101532398.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.938 AU ( 140344308.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.430 AU ( 213853667.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.104 AU ( 314695040.1 km)
  • Radiation at Planetary Boundary of WASP-129 b : 305195.83 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-129)



  • Kopparapu Recent Venus for Star WASP-129 distance : 0.698 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-129 distance : 0.884 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-129 distance : 0.854 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-129 distance : 0.936 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-129 distance : 1.557 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-129 distance : 1.642 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-129)



  • Original Kopparapu Recent Venus for Star WASP-129 distance : 0.701 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-129 distance : 0.908 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-129 distance : 0.927 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-129 distance : 1.584 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-129 distance : 1.647 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-129)



    (Position in Stellar Map of star WASP-129 and its Exoplanet WASP-129 b)



    (Zoomed position in Stellar Map of star WASP-129 and its Exoplanet WASP-129 b (zoom level 3))

    (Synthetic Spectrum of star WASP-129*)
    *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