Imaginary Picture of HATS-70 b

Display orbital revolution of HATS-70 b around the hoststar HATS-70
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Exoplanet Name : HATS-70 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3840 (Rjup) 15.5133 (Rearth)
Mass (Mjup / Me): 12.9000 (Mjup) 4101.4002 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0363 (AU) 0.0363 (AU Est.)
Eccentricity : 0.1800
Orbital Period(Yrs) 0.0052
Orbital Period(Observed/Estimated) 1.89 (Days Obs.) 1.89 (Days Est.)
Surface Gravity (G Earth) 17.0422
Star Radiation at Atmospheric Boundary: 12993363.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2679.6 (K)
Blackbody T 0.3(K) 2516.4 (K)
Blackbody T 0.7(K) 2036.1 (K)
Tidally Locked Blackbody T 0.1(K) 3186.6 (K)
Tidally Locked Blackbody T 0.3(K) 2992.6 (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-70
Alternate Name :
Star Distance(LY) : 4957.5
Stellar Radius(Rsun) : 1.9 (Rsun Measured)
Stellar Mass(Msun) : 1.8 (Msun Measured) 1.8 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 7930 (K)
Spectral type : A7
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 1.7
Apparent Magnitude: 12.6
Right Ascension(RA) 109.1045
Declination (DEC) -31.2444
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HATS-70+&submit=SIMBAD+search
Open Exoplanet Database Link
HATS-70 b
HATS-70 b

  • HATS-70 b is an exoplanet orbiting the star HATS-70, located about 4957.5 light-years (1520.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-70 has apparent magnitude of 12.6, with absolute magnitude of 1.7.
  • It is 1.8 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 7930 with its spectral types of A7
  • In this planetary system, the extrasolar planet HATS-70 b orbits around the star HATS-70 every 1.9 days with its orbital distance of 0.04 AU ( 5433394.7 km)
  • (Projected orbit of HATS-70 b around its host star HATS-70)


  • The Star HATS-70 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.561 AU ( 383144271.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.540 AU ( 529605510.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.394 AU ( 807001596.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.938 AU ( 1187538201.6 km)
  • Radiation at Planetary Boundary of HATS-70 b : 12993363.21 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-70)



  • Kopparapu Recent Venus for Star HATS-70 distance : 2.410 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-70 distance : 3.053 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-70 distance : 2.948 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-70 distance : 3.226 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-70 distance : 5.263 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-70 distance : 5.550 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-70)



  • Original Kopparapu Recent Venus for Star HATS-70 distance : 2.506 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-70 distance : 3.117 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-70 distance : 3.316 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-70 distance : 5.357 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-70 distance : 5.571 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-70)



    (Position in Stellar Map of star HATS-70 and its Exoplanet HATS-70 b)



    (Zoomed position in Stellar Map of star HATS-70 and its Exoplanet HATS-70 b (zoom level 3))

    (Synthetic Spectrum of star HATS-70*)
    *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