Imaginary Picture of HATS-56 b
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Exoplanet Name : HATS-56 b
Alternate Name :
Radius (Rjup / Re): 1.6880 (Rjup) 18.9208 (Rearth)
Mass (Mjup / Me): 0.6020 (Mjup) 191.3987 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0604 (AU) 0.0604 (AU Est.)
Eccentricity : 0.0190
Orbital Period(Yrs) 0.0118
Orbital Period(Observed/Estimated) 4.32 (Days Obs.) 4.33 (Days Est.)
Star Radiation at Atmospheric Boundary: 2968847.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1852.6 (K)
Blackbody T 0.3(K) 1739.8 (K)
Blackbody T 0.7(K) 1407.7 (K)
Tidally Locked Blackbody T 0.1(K) 2203.2 (K)
Tidally Locked Blackbody T 0.3(K) 2069.0 (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-56
Alternate Name :
Star Distance(LY) : 1882.2
Stellar Radius(Rsun) : 2.2 (Rsun Measured)
Stellar Mass(Msun) : 1.6 (Msun Measured) 1.6 (Msun Estimated)
Star Age : 1.9 (GY)
Temperature : 6536 (K)
Spectral type : F6
Metalicity : 0.2
Absolute Magnitude: 2.8
Apparent Magnitude: 11.6
Right Ascension(RA) 180.1667
Declination (DEC) -45.7994
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
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SIMBAD LINK
Open Exoplanet Database Link
HATS-56 b
HATS-56 b

  • HATS-56 b is an exoplanet orbiting the star HATS-56, located about 1882.2 light-years (577.1 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-56 has apparent magnitude of 11.6, with absolute magnitude of 2.8.
  • It is 1.6 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 6536 with its spectral types of F6
  • In this planetary system, the extrasolar planet HATS-56 b orbits around the star HATS-56 every 4.3 days with its orbital distance of 0.06 AU ( 9040199.3 km)
  • (Projected orbit of HATS-56 b around its host star HATS-56)


  • The Star HATS-56 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.037 AU ( 304720899.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.816 AU ( 421203916.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.290 AU ( 641821556.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.313 AU ( 944468537.1 km)
  • Radiation at Planetary Boundary of HATS-56 b : 2968847.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-56)



  • Kopparapu Recent Venus for Star HATS-56 distance : 2.017 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-56 distance : 2.555 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-56 distance : 2.467 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-56 distance : 2.703 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-56 distance : 4.442 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-56 distance : 4.685 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-56)



  • Original Kopparapu Recent Venus for Star HATS-56 distance : 2.053 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-56 distance : 2.619 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-56 distance : 2.717 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-56 distance : 4.522 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-56 distance : 4.703 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-56)



    (Position in Stellar Map of star HATS-56 and its Exoplanet HATS-56 b)



    (Zoomed position in Stellar Map of star HATS-56 and its Exoplanet HATS-56 b (zoom level 3))