Imaginary Picture of HATS-46 b

Display orbital revolution of HATS-46 b around the hoststar HATS-46
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Exoplanet Name : HATS-46 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9030 (Rjup) 10.1217 (Rearth)
Mass (Mjup / Me): 0.1730 (Mjup) 55.0033 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0537 (AU) 0.0537 (AU Est.)
Eccentricity : 0.5590
Orbital Period(Yrs) 0.0130
Orbital Period(Observed/Estimated) 4.74 (Days Obs.) 4.74 (Days Est.)
Surface Gravity (G Earth) 0.5369
Star Radiation at Atmospheric Boundary: 282429.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1028.9 (K)
Blackbody T 0.3(K) 966.2 (K)
Blackbody T 0.7(K) 781.8 (K)
Tidally Locked Blackbody T 0.1(K) 1223.6 (K)
Tidally Locked Blackbody T 0.3(K) 1149.1 (K)
Size Class: 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-46
Alternate Name : 2MASS-00264858-5618580
Star Distance(LY) : 1461.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 3.0 (GY)
Temperature : 5495 (K)
Spectral type : G
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : -0.1
Absolute Magnitude: 5.4
Apparent Magnitude: 13.6
Right Ascension(RA) 6.7024
Declination (DEC) -56.3161
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-46&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HATS-46%20b/
HATS-46 b
HATS-46 b

  • HATS-46 b is an exoplanet orbiting the star HATS-46, located about 1461.2 light-years (448.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star HATS-46 has apparent magnitude of 13.6, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5495 with its spectral types of G
  • In this planetary system, the extrasolar planet HATS-46 b orbits around the star HATS-46 every 4.7 days with its orbital distance of 0.05 AU ( 8028917.7 km)
  • (Projected orbit of HATS-46 b around its host star HATS-46)


  • The Star HATS-46 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.558 AU ( 83472330.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.771 AU ( 115380574.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.175 AU ( 175814461.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.729 AU ( 258718681.9 km)
  • Radiation at Planetary Boundary of HATS-46 b : 282429.77 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-46)



  • Kopparapu Recent Venus for Star HATS-46 distance : 0.588 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-46 distance : 0.745 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-46 distance : 0.719 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-46 distance : 0.789 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-46 distance : 1.326 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-46 distance : 1.398 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-46)



  • Original Kopparapu Recent Venus for Star HATS-46 distance : 0.586 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-46 distance : 0.766 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-46 distance : 0.775 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-46 distance : 1.349 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-46 distance : 1.403 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-46)



    (Position in Stellar Map of star HATS-46 and its Exoplanet HATS-46 b)



    (Zoomed position in Stellar Map of star HATS-46 and its Exoplanet HATS-46 b (zoom level 3))

    (Synthetic Spectrum of star HATS-46*)
    *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