Imaginary Picture of HATS-65 b
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Exoplanet Name : HATS-65 b
Alternate Name :
Radius (Rjup / Re): 1.4790 (Rjup) 16.5781 (Rearth)
Mass (Mjup / Me): 0.7930 (Mjup) 252.1248 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0451 (AU) 0.0451 (AU Est.)
Eccentricity : 0.0060
Orbital Period(Yrs) 0.0085
Orbital Period(Observed/Estimated) 3.11 (Days Obs.) 3.11 (Days Est.)
Star Radiation at Atmospheric Boundary: 1570366.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1579.9 (K)
Blackbody T 0.3(K) 1483.7 (K)
Blackbody T 0.7(K) 1200.5 (K)
Tidally Locked Blackbody T 0.1(K) 1878.9 (K)
Tidally Locked Blackbody T 0.3(K) 1764.5 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-65
Alternate Name :
Star Distance(LY) : 1601.4
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 1.4 (GY)
Temperature : 6276 (K)
Spectral type : F8
Metalicity : 0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 12.4
Right Ascension(RA) 292.9417
Declination (DEC) -26.7403
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-65 b
HATS-65 b

  • HATS-65 b is an exoplanet orbiting the star HATS-65, located about 1601.4 light-years (491.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-65 has apparent magnitude of 12.4, with absolute magnitude of 3.9.
  • It is 1.3 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6276 with its spectral types of F8
  • In this planetary system, the extrasolar planet HATS-65 b orbits around the star HATS-65 every 3.1 days with its orbital distance of 0.05 AU ( 6748359.9 km)
  • (Projected orbit of HATS-65 b around its host star HATS-65)


  • The Star HATS-65 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.106 AU ( 165435604.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.529 AU ( 228675239.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.329 AU ( 348450459.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.428 AU ( 512760115.5 km)
  • Radiation at Planetary Boundary of HATS-65 b : 1570366.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-65)



  • Kopparapu Recent Venus for Star HATS-65 distance : 1.112 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-65 distance : 1.408 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-65 distance : 1.360 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-65 distance : 1.490 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-65 distance : 2.459 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-65 distance : 2.594 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-65)



  • Original Kopparapu Recent Venus for Star HATS-65 distance : 1.125 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-65 distance : 1.445 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-65 distance : 1.489 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-65 distance : 2.503 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-65 distance : 2.603 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-65)



    (Position in Stellar Map of star HATS-65 and its Exoplanet HATS-65 b)



    (Zoomed position in Stellar Map of star HATS-65 and its Exoplanet HATS-65 b (zoom level 3))