Imaginary Picture of HATS-64 b

Display orbital revolution of HATS-64 b around the hoststar HATS-64
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Exoplanet Name : HATS-64 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.6790 (Rjup) 18.8199 (Rearth)
Mass (Mjup / Me): 0.9600 (Mjup) 305.2205 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0656 (AU) 0.0656 (AU Est.)
Eccentricity : 0.1510
Orbital Period(Yrs) 0.0134
Orbital Period(Observed/Estimated) 4.91 (Days Obs.) 4.91 (Days Est.)
Surface Gravity (G Earth) 0.8617
Star Radiation at Atmospheric Boundary: 2354760.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1748.4 (K)
Blackbody T 0.3(K) 1641.9 (K)
Blackbody T 0.7(K) 1328.5 (K)
Tidally Locked Blackbody T 0.1(K) 2079.2 (K)
Tidally Locked Blackbody T 0.3(K) 1952.5 (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-64
Alternate Name :
Star Distance(LY) : 3545.3
Stellar Radius(Rsun) : 2.1 (Rsun Measured)
Stellar Mass(Msun) : 1.6 (Msun Measured) 1.6 (Msun Estimated)
Star Age : 1.9 (GY)
Temperature : 6560 (K)
Spectral type : F6
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 2.6
Apparent Magnitude: 12.8
Right Ascension(RA) 144.2875
Declination (DEC) -29.8006
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HATS-64&submit=SIMBAD+search
Open Exoplanet Database Link
HATS-64 b
HATS-64 b

  • HATS-64 b is an exoplanet orbiting the star HATS-64, located about 3545.3 light-years (1087.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-64 has apparent magnitude of 12.8, with absolute magnitude of 2.6.
  • It is 1.6 times more massive and 2.1 times bigger compared with our Sun. The surface temperature is 6560 with its spectral types of F6
  • In this planetary system, the extrasolar planet HATS-64 b orbits around the star HATS-64 every 4.9 days with its orbital distance of 0.07 AU ( 9816612.3 km)
  • (Projected orbit of HATS-64 b around its host star HATS-64)


  • The Star HATS-64 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.970 AU ( 294689925.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.723 AU ( 407338488.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.149 AU ( 620693712.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.106 AU ( 913377988.0 km)
  • Radiation at Planetary Boundary of HATS-64 b : 2354760.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-64)



  • Kopparapu Recent Venus for Star HATS-64 distance : 1.948 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-64 distance : 2.467 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-64 distance : 2.382 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-64 distance : 2.610 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-64 distance : 4.288 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-64 distance : 4.523 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-64)



  • Original Kopparapu Recent Venus for Star HATS-64 distance : 1.984 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-64 distance : 2.529 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-64 distance : 2.625 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-64 distance : 4.366 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-64 distance : 4.540 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-64)



    (Position in Stellar Map of star HATS-64 and its Exoplanet HATS-64 b)



    (Zoomed position in Stellar Map of star HATS-64 and its Exoplanet HATS-64 b (zoom level 3))

    (Synthetic Spectrum of star HATS-64*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102