Imaginary Picture of HAT-P-56 b

Display orbital revolution of HAT-P-56 b around the hoststar HAT-P-56
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Exoplanet Name : HAT-P-56 b
Alternate Name : "2MASS 06432353+2715082 b, BD+27 1206, EPIC 202126852 b, EPIC 202126852.01, GSC 1901-00976 b, HD 262389 b, HIP 032209 b,
Status : Confirmed
Radius (Rjup / Re): 1.5100 (Rjup) 16.9256 (Rearth)
Mass (Mjup / Me): 2.3100 (Mjup) 734.4368 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0423 (AU) 0.0423 (AU Est.)
Eccentricity : 0.2460
Orbital Period(Yrs) 0.0076
Orbital Period(Observed/Estimated) 2.79 (Days Obs.) 2.67 (Days Est.)
Surface Gravity (G Earth) 2.5637
Star Radiation at Atmospheric Boundary: 2752721.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1818.0 (K)
Blackbody T 0.3(K) 1707.3 (K)
Blackbody T 0.7(K) 1381.3 (K)
Tidally Locked Blackbody T 0.1(K) 2161.9 (K)
Tidally Locked Blackbody T 0.3(K) 2030.3 (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-56
Alternate Name : "2MASS J06432353+2715082, BD+27 1206, EPIC 202126852, GSC 1901-00976, HD 262389, HIP 32209, K2-20, SAO 133614, TYC 1901-}
Star Distance(LY) : 1042.0
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 6566 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.4
Apparent Magnitude: 10.9
Right Ascension(RA) 100.8481
Declination (DEC) 27.2523
Hubble Space Telescope Guide Star Catalog (GSC) ID 01901-00976
Discovered by
Discovery Paper - Authors "C. X. Huang, J. D. Hartman, G. _. Bakos, K. Penev, W. Bhatti, A. Bieryla, M. de Val-Borro, D. W. Latham, L. A. Buchhave, Z. Csubry, G. Kov_cs, B. B_ky, E. Falco, P. Berlind, M. L. Calkins, G. A. Esquerdo, J. L_z_r, I. Papp, P. S_ri"
Discovery Paper - Title HAT-P-56b: An inflated massive Hot Jupiter transiting a bright F star followed up with K2 Campaign 0 observations
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-56+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-56%20b/
HAT-P-56 b
HAT-P-56 b

  • HAT-P-56 b is an exoplanet orbiting the star HAT-P-56, located about 1042.0 light-years (319.5 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star HAT-P-56 has apparent magnitude of 10.9, with absolute magnitude of 3.4.
  • It is 1.4 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6566 with its spectral types of F8
  • In this planetary system, the extrasolar planet HAT-P-56 b orbits around the star HAT-P-56 every 2.8 days with its orbital distance of 0.04 AU ( 6327989.9 km)
  • (Projected orbit of HAT-P-56 b around its host star HAT-P-56)


  • The Star HAT-P-56 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.373 AU ( 205389011.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.898 AU ( 283901288.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.892 AU ( 432602735.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.255 AU ( 636593876.6 km)
  • Radiation at Planetary Boundary of HAT-P-56 b : 2752721.40 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-56)



  • Kopparapu Recent Venus for Star HAT-P-56 distance : 1.357 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-56 distance : 1.719 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-56 distance : 1.660 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-56 distance : 1.819 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-56 distance : 2.987 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-56 distance : 3.151 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-56)



  • Original Kopparapu Recent Venus for Star HAT-P-56 distance : 1.382 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-56 distance : 1.762 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-56 distance : 1.829 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-56 distance : 3.042 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-56 distance : 3.163 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-56)



    (Position in Stellar Map of star HAT-P-56 and its Exoplanet HAT-P-56 b)



    (Zoomed position in Stellar Map of star HAT-P-56 and its Exoplanet HAT-P-56 b (zoom level 3))

    (Synthetic Spectrum of star HAT-P-56*)
    *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