Imaginary Picture of HAT-P-58 b

Display orbital revolution of HAT-P-58 b around the hoststar HAT-P-58
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Exoplanet Name : HAT-P-58 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3320 (Rjup) 14.9304 (Rearth)
Mass (Mjup / Me): 0.3720 (Mjup) 118.2729 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0499 (AU) 0.0499 (AU Est.)
Eccentricity : 0.0730
Orbital Period(Yrs) 0.0110
Orbital Period(Observed/Estimated) 4.01 (Days Obs.) 4.01 (Days Est.)
Surface Gravity (G Earth) 0.5306
Star Radiation at Atmospheric Boundary: 1424302.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1541.9 (K)
Blackbody T 0.3(K) 1448.0 (K)
Blackbody T 0.7(K) 1171.6 (K)
Tidally Locked Blackbody T 0.1(K) 1833.6 (K)
Tidally Locked Blackbody T 0.3(K) 1721.9 (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 : HAT-P-58
Alternate Name :
Star Distance(LY) : 1692.7
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 7.1 (GY)
Temperature : 5931 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 13.0
Right Ascension(RA) 68.8458
Declination (DEC) 56.8683
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
HAT-P-58 b
HAT-P-58 b

  • HAT-P-58 b is an exoplanet orbiting the star HAT-P-58, located about 1692.7 light-years (519.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HAT-P-58 has apparent magnitude of 13.0, with absolute magnitude of 4.4.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5931 with its spectral types of G1
  • In this planetary system, the extrasolar planet HAT-P-58 b orbits around the star HAT-P-58 every 4.0 days with its orbital distance of 0.05 AU ( 7470917.7 km)
  • (Projected orbit of HAT-P-58 b around its host star HAT-P-58)


  • The Star HAT-P-58 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.166 AU ( 174423658.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.612 AU ( 241099078.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.456 AU ( 367381640.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.614 AU ( 540618177.6 km)
  • Radiation at Planetary Boundary of HAT-P-58 b : 1424302.68 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-58)



  • Kopparapu Recent Venus for Star HAT-P-58 distance : 1.197 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-58 distance : 1.516 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-58 distance : 1.464 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-58 distance : 1.605 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-58 distance : 2.667 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-58 distance : 2.813 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-58)



  • Original Kopparapu Recent Venus for Star HAT-P-58 distance : 1.203 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-58 distance : 1.557 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-58 distance : 1.591 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-58 distance : 2.714 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-58 distance : 2.823 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-58)



    (Position in Stellar Map of star HAT-P-58 and its Exoplanet HAT-P-58 b)



    (Zoomed position in Stellar Map of star HAT-P-58 and its Exoplanet HAT-P-58 b (zoom level 3))

    (Synthetic Spectrum of star HAT-P-58*)
    *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