Imaginary Picture of HATS-53 b
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Exoplanet Name : HATS-53 b
Alternate Name :
Radius (Rjup / Re): 1.3400 (Rjup) 15.0201 (Rearth)
Mass (Mjup / Me): 0.5950 (Mjup) 189.1731 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0475 (AU) 0.0475 (AU Est.)
Eccentricity : 0.3300
Orbital Period(Yrs) 0.0106
Orbital Period(Observed/Estimated) 3.85 (Days Obs.) 3.85 (Days Est.)
Star Radiation at Atmospheric Boundary: 666503.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1275.2 (K)
Blackbody T 0.3(K) 1197.6 (K)
Blackbody T 0.7(K) 969.0 (K)
Tidally Locked Blackbody T 0.1(K) 1516.5 (K)
Tidally Locked Blackbody T 0.3(K) 1424.2 (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 : HATS-53
Alternate Name :
Star Distance(LY) : 1999.3
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 8.0 (GY)
Temperature : 5644 (K)
Spectral type : G5
Metalicity : 0.0
Absolute Magnitude: 4.9
Apparent Magnitude: 13.8
Right Ascension(RA) 176.6292
Declination (DEC) -33.8600
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
HATS-53 b
HATS-53 b

  • HATS-53 b is an exoplanet orbiting the star HATS-53, located about 1999.3 light-years (613.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star HATS-53 has apparent magnitude of 13.8, with absolute magnitude of 4.9.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5644 with its spectral types of G5
  • In this planetary system, the extrasolar planet HATS-53 b orbits around the star HATS-53 every 3.9 days with its orbital distance of 0.05 AU ( 7110386.8 km)
  • (Projected orbit of HATS-53 b around its host star HATS-53)


  • The Star HATS-53 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.759 AU ( 113559849.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.049 AU ( 156969388.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.599 AU ( 239186610.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.353 AU ( 351973576.1 km)
  • Radiation at Planetary Boundary of HATS-53 b : 666503.71 W/m2

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



  • Kopparapu Recent Venus for Star HATS-53 distance : 0.793 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-53 distance : 1.004 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-53 distance : 0.970 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-53 distance : 1.064 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-53 distance : 1.780 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-53 distance : 1.878 AU

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



  • Original Kopparapu Recent Venus for Star HATS-53 distance : 0.792 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-53 distance : 1.032 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-53 distance : 1.048 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-53 distance : 1.811 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-53 distance : 1.884 AU

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



    (Position in Stellar Map of star HATS-53 and its Exoplanet HATS-53 b)



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