Imaginary Picture of HATS-58A b
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Exoplanet Name : HATS-58A b
Alternate Name :
Radius (Rjup / Re): 1.0950 (Rjup) 12.2739 (Rearth)
Mass (Mjup / Me): 1.0300 (Mjup) 327.4761 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0580 (AU) 0.0580 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0115
Orbital Period(Observed/Estimated) 4.22 (Days Obs.) 4.22 (Days Est.)
Star Radiation at Atmospheric Boundary: 1985310.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1675.3 (K)
Blackbody T 0.3(K) 1573.3 (K)
Blackbody T 0.7(K) 1273.0 (K)
Tidally Locked Blackbody T 0.1(K) 1992.3 (K)
Tidally Locked Blackbody T 0.3(K) 1871.0 (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 : HATS-58A
Alternate Name :
Star Distance(LY) : 1604.7
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 0.3 (GY)
Temperature : 7175 (K)
Spectral type : F1
Metalicity : 0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 11.6
Right Ascension(RA) 186.7875
Declination (DEC) -48.9783
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-58A b
HATS-58A b

  • HATS-58A b is an exoplanet orbiting the star HATS-58A, located about 1604.7 light-years (492.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-58A has apparent magnitude of 11.6, with absolute magnitude of 3.1.
  • It is 1.5 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 7175 with its spectral types of F1
  • In this planetary system, the extrasolar planet HATS-58A b orbits around the star HATS-58A every 4.2 days with its orbital distance of 0.06 AU ( 8673684.5 km)
  • (Projected orbit of HATS-58A b around its host star HATS-58A)


  • The Star HATS-58A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.598 AU ( 239082679.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.209 AU ( 330474742.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.366 AU ( 503570373.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.953 AU ( 741025864.2 km)
  • Radiation at Planetary Boundary of HATS-58A b : 1985310.28 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-58A)



  • Kopparapu Recent Venus for Star HATS-58A distance : 1.532 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-58A distance : 1.941 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-58A distance : 1.874 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-58A distance : 2.052 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-58A distance : 3.352 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-58A distance : 3.535 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-58A)



  • Original Kopparapu Recent Venus for Star HATS-58A distance : 1.580 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-58A distance : 1.985 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-58A distance : 2.091 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-58A distance : 3.413 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-58A distance : 3.550 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-58A)



    (Position in Stellar Map of star HATS-58A and its Exoplanet HATS-58A b)



    (Zoomed position in Stellar Map of star HATS-58A and its Exoplanet HATS-58A b (zoom level 3))