Imaginary Picture of HAT-P-59 b
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Exoplanet Name : HAT-P-59 b
Alternate Name :
Radius (Rjup / Re): 1.1230 (Rjup) 12.5877 (Rearth)
Mass (Mjup / Me): 1.5400 (Mjup) 489.6245 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0506 (AU) 0.0506 (AU Est.)
Eccentricity : 0.0300
Orbital Period(Yrs) 0.0113
Orbital Period(Observed/Estimated) 4.14 (Days Obs.) 4.16 (Days Est.)
Star Radiation at Atmospheric Boundary: 601429.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1242.9 (K)
Blackbody T 0.3(K) 1167.2 (K)
Blackbody T 0.7(K) 944.4 (K)
Tidally Locked Blackbody T 0.1(K) 1478.1 (K)
Tidally Locked Blackbody T 0.3(K) 1388.1 (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 : HAT-P-59
Alternate Name :
Star Distance(LY) : 871.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 7.3 (GY)
Temperature : 5678 (K)
Spectral type : G5
Metalicity : 0.2
Absolute Magnitude: 4.7
Apparent Magnitude: 11.8
Right Ascension(RA) 292.4583
Declination (DEC) 62.5292
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
HAT-P-59 b
HAT-P-59 b

  • HAT-P-59 b is an exoplanet orbiting the star HAT-P-59, located about 871.8 light-years (267.3 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HAT-P-59 has apparent magnitude of 11.8, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5678 with its spectral types of G5
  • In this planetary system, the extrasolar planet HAT-P-59 b orbits around the star HAT-P-59 every 4.1 days with its orbital distance of 0.05 AU ( 7575636.2 km)
  • (Projected orbit of HAT-P-59 b around its host star HAT-P-59)


  • The Star HAT-P-59 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.768 AU ( 114932161.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.062 AU ( 158866282.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.618 AU ( 242077057.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.381 AU ( 356226994.6 km)
  • Radiation at Planetary Boundary of HAT-P-59 b : 601428.96 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-59)



  • Kopparapu Recent Venus for Star HAT-P-59 distance : 0.801 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-59 distance : 1.014 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-59 distance : 0.980 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-59 distance : 1.074 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-59 distance : 1.796 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-59 distance : 1.895 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-59)



  • Original Kopparapu Recent Venus for Star HAT-P-59 distance : 0.801 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-59 distance : 1.043 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-59 distance : 1.059 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-59 distance : 1.828 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-59 distance : 1.901 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-59)



    (Position in Stellar Map of star HAT-P-59 and its Exoplanet HAT-P-59 b)



    (Zoomed position in Stellar Map of star HAT-P-59 and its Exoplanet HAT-P-59 b (zoom level 3))