Imaginary Picture of HD 564 b

Display orbital revolution of HD 564 b around the hoststar HD 564
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Exoplanet Name : HD 564 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.3300 (Mjup) 104.9195 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.2000 (AU) 1.2000 (AU Est.)
Eccentricity : 0.0960
Orbital Period(Yrs) 1.3478
Orbital Period(Observed/Estimated) 492.30 (Days Obs.) 500.57 (Days Est.)
Surface Gravity (G Earth) 1.0132
Star Radiation at Atmospheric Boundary: 1054.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 254.3 (K)
Blackbody T 0.3(K) 238.8 (K)
Blackbody T 0.7(K) 193.2 (K)
Tidally Locked Blackbody T 0.1(K) 302.4 (K)
Tidally Locked Blackbody T 0.3(K) 284.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 564
Alternate Name :
Star Distance(LY) : 165.1
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.5 (GY)
Temperature : 5902 (K)
Spectral type : G3V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.8
Apparent Magnitude: 8.3
Right Ascension(RA) 2.4701
Declination (DEC) -50.2678
Hubble Space Telescope Guide Star Catalog (GSC) ID 08028-00677
Discovered by
Discovery Paper - Authors "C. Moutou, G. Lo Curto, M. Mayor, F. Bouchy, W. Benz, C. Lovis, D. Naef, F. Pepe, D. Queloz, N.C. Santos, D. Segransan, S. G. Sousa, S. Udry"
Discovery Paper - Title The HARPS search for southern extra-solar planets XXXVI: Five new long-period giant planets and a system update
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+564+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20564%20b/
HD 564 b
HD 564 b

  • HD 564 b is an exoplanet orbiting the star HD 564, located about 165.1 light-years (50.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star HD 564 has apparent magnitude of 8.3, with absolute magnitude of 4.8.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5902 with its spectral types of G3V
  • In this planetary system, the extrasolar planet HD 564 b orbits around the star HD 564 every 492.3 days with its orbital distance of 1.20 AU ( 179517444.8 km)
  • (Projected orbit of HD 564 b around its host star HD 564)


  • The Star HD 564 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.762 AU ( 114019175.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.054 AU ( 157604297.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.605 AU ( 240154071.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.362 AU ( 353397236.8 km)
  • Radiation at Planetary Boundary of HD 564 b : 1054.10 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 564)



  • Kopparapu Recent Venus for Star HD 564 distance : 0.784 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 564 distance : 0.993 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 564 distance : 0.959 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 564 distance : 1.051 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 564 distance : 1.748 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 564 distance : 1.843 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 564)



  • Original Kopparapu Recent Venus for Star HD 564 distance : 0.787 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 564 distance : 1.020 AU
  • Original Kopparapu Moist Greenhouse for Star HD 564 distance : 1.041 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 564 distance : 1.779 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 564 distance : 1.850 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 564)



    (Position in Stellar Map of star HD 564 and its Exoplanet HD 564 b)



    (Zoomed position in Stellar Map of star HD 564 and its Exoplanet HD 564 b (zoom level 3))

    (Synthetic Spectrum of star HD 564*)
    *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