Imaginary Picture of HATS-72 b

Display orbital revolution of HATS-72 b around the hoststar HATS-72
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Exoplanet Name : HATS-72 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.7224 (Rjup) 8.0974 (Rearth)
Mass (Mjup / Me): 0.1254 (Mjup) 39.8694 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0665 (AU) 0.0665 (AU Est.)
Eccentricity : 0.0130
Orbital Period(Yrs) 0.0201
Orbital Period(Observed/Estimated) 7.33 (Days Obs.) 7.33 (Days Est.)
Surface Gravity (G Earth) 0.6081
Star Radiation at Atmospheric Boundary: 67786.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 720.2 (K)
Blackbody T 0.3(K) 676.3 (K)
Blackbody T 0.7(K) 547.2 (K)
Tidally Locked Blackbody T 0.1(K) 856.4 (K)
Tidally Locked Blackbody T 0.3(K) 804.3 (K)
Size Class: sub-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Spectrum
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-72
Alternate Name :
Star Distance(LY) : 416.4
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 12.2 (GY)
Temperature : 4656 (K)
Spectral type : K4
UV portion[%]: 2.0
Visible portion[%]: 33.6
IR portion[%]: 64.4
Metalicity : 0.1
Absolute Magnitude: 7.2
Apparent Magnitude: 12.7
Right Ascension(RA) 339.0250
Declination (DEC) -17.0000
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-72 b
HATS-72 b

  • HATS-72 b is an exoplanet orbiting the star HATS-72, located about 416.4 light-years (127.7 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HATS-72 has apparent magnitude of 12.7, with absolute magnitude of 7.2.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4656 with its spectral types of K4
  • In this planetary system, the extrasolar planet HATS-72 b orbits around the star HATS-72 every 7.3 days with its orbital distance of 0.07 AU ( 9950801.6 km)
  • (Projected orbit of HATS-72 b around its host star HATS-72)


  • The Star HATS-72 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.339 AU ( 50682752.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.468 AU ( 70056809.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.714 AU ( 106751073.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.050 AU ( 157088881.2 km)
  • Radiation at Planetary Boundary of HATS-72 b : 67786.57 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-72)



  • Kopparapu Recent Venus for Star HATS-72 distance : 0.372 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-72 distance : 0.471 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-72 distance : 0.455 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-72 distance : 0.499 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-72 distance : 0.866 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-72 distance : 0.914 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-72)



  • Original Kopparapu Recent Venus for Star HATS-72 distance : 0.367 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-72 distance : 0.486 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-72 distance : 0.486 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-72 distance : 0.880 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-72 distance : 0.916 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-72)



    (Position in Stellar Map of star HATS-72 and its Exoplanet HATS-72 b)



    (Zoomed position in Stellar Map of star HATS-72 and its Exoplanet HATS-72 b (zoom level 3))

    (Synthetic Spectrum of star HATS-72*)
    *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