Imaginary Picture of WASP-53 c

Display orbital revolution of WASP-53 c around the hoststar WASP-53
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Exoplanet Name : WASP-53 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 16.3500 (Mjup) 5198.2863 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.7300 (AU) 3.7300 (AU Est.)
Eccentricity : 0.8369
Orbital Period(Yrs) 7.7753
Orbital Period(Observed/Estimated) 2840.00 (Days Obs.) 2872.58 (Days Est.)
Surface Gravity (G Earth) 50.2016
Star Radiation at Atmospheric Boundary: 33.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 107.6 (K)
Blackbody T 0.3(K) 101.0 (K)
Blackbody T 0.7(K) 81.8 (K)
Tidally Locked Blackbody T 0.1(K) 128.0 (K)
Tidally Locked Blackbody T 0.3(K) 120.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : WASP-53
Alternate Name : 2MASS J02073820{2039426
Star Distance(LY) : 766.5
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4953 (K)
Spectral type : K3
UV portion[%]: 3.0
Visible portion[%]: 36.6
IR portion[%]: 60.4
Metalicity : 0.2
Absolute Magnitude: 4.1
Apparent Magnitude: 11.0
Right Ascension(RA) 31.9093
Declination (DEC) -20.6619
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 https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-53&submit=SIMBAD+search
Open Exoplanet Database Link
WASP-53 c
WASP-53 c

  • WASP-53 c is an exoplanet orbiting the star WASP-53, located about 766.5 light-years (235.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star WASP-53 has apparent magnitude of 11.0, with absolute magnitude of 4.1.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4953 with its spectral types of K3
  • In this planetary system, the extrasolar planet WASP-53 c orbits around the star WASP-53 every 2840.0 days with its orbital distance of 3.73 AU ( 558000057.7 km)
  • (Projected orbit of WASP-53 c around its host star WASP-53)


  • The Star WASP-53 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.424 AU ( 63445037.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.586 AU ( 87697622.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.893 AU ( 133631768.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.314 AU ( 196645002.0 km)
  • Radiation at Planetary Boundary of WASP-53 c : 33.78 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-53)



  • Kopparapu Recent Venus for Star WASP-53 distance : 0.460 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-53 distance : 0.582 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-53 distance : 0.562 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-53 distance : 0.617 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-53 distance : 1.057 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-53 distance : 1.115 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-53)



  • Original Kopparapu Recent Venus for Star WASP-53 distance : 0.455 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-53 distance : 0.600 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-53 distance : 0.602 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-53 distance : 1.075 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-53 distance : 1.118 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-53)



    (Position in Stellar Map of star WASP-53 and its Exoplanet WASP-53 c)



    (Zoomed position in Stellar Map of star WASP-53 and its Exoplanet WASP-53 c (zoom level 3))

    (Synthetic Spectrum of star WASP-53*)
    *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