Imaginary Picture of HATS-61 b
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Exoplanet Name : HATS-61 b
Alternate Name :
Radius (Rjup / Re): 1.2010 (Rjup) 13.4620 (Rearth)
Mass (Mjup / Me): 3.4000 (Mjup) 1080.9892 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0790 (AU) 0.0790 (AU Est.)
Eccentricity : 0.0080
Orbital Period(Yrs) 0.0214
Orbital Period(Observed/Estimated) 7.82 (Days Obs.) 7.83 (Days Est.)
Star Radiation at Atmospheric Boundary: 514203.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1195.2 (K)
Blackbody T 0.3(K) 1122.4 (K)
Blackbody T 0.7(K) 908.1 (K)
Tidally Locked Blackbody T 0.1(K) 1421.3 (K)
Tidally Locked Blackbody T 0.3(K) 1334.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-61
Alternate Name :
Star Distance(LY) : 2264.2
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 8.9 (GY)
Temperature : 5541 (K)
Spectral type : G7
Metalicity : 0.2
Absolute Magnitude: 4.0
Apparent Magnitude: 13.2
Right Ascension(RA) 61.6583
Declination (DEC) -25.3497
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-61 b
HATS-61 b

  • HATS-61 b is an exoplanet orbiting the star HATS-61, located about 2264.2 light-years (694.2 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-61 has apparent magnitude of 13.2, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5541 with its spectral types of G7
  • In this planetary system, the extrasolar planet HATS-61 b orbits around the star HATS-61 every 7.8 days with its orbital distance of 0.08 AU ( 11824215.7 km)
  • (Projected orbit of HATS-61 b around its host star HATS-61)


  • The Star HATS-61 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.109 AU ( 165870828.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.533 AU ( 229276831.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.335 AU ( 349367152.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.437 AU ( 514109069.6 km)
  • Radiation at Planetary Boundary of HATS-61 b : 514203.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-61)



  • Kopparapu Recent Venus for Star HATS-61 distance : 1.165 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-61 distance : 1.476 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-61 distance : 1.425 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-61 distance : 1.563 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-61 distance : 2.624 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-61 distance : 2.767 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-61)



  • Original Kopparapu Recent Venus for Star HATS-61 distance : 1.162 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-61 distance : 1.518 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-61 distance : 1.537 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-61 distance : 2.669 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-61 distance : 2.776 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-61)



    (Position in Stellar Map of star HATS-61 and its Exoplanet HATS-61 b)



    (Zoomed position in Stellar Map of star HATS-61 and its Exoplanet HATS-61 b (zoom level 3))