Imaginary Picture of HD 122562 b

Display orbital revolution of HD 122562 b around the hoststar HD 122562
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Exoplanet Name : HD 122562 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 24.0000 (Mjup) 7630.5120 (Mearth)
Semi Major Axis / Orbital Distance Calculated 4.1000 (AU) 4.1000 (AU Est.)
Eccentricity : 0.7100
Orbital Period(Yrs) 7.6028
Orbital Period(Observed/Estimated) 2777.00 (Days Obs.) 2852.51 (Days Est.)
Surface Gravity (G Earth) 73.6904
Star Radiation at Atmospheric Boundary: 52.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 119.9 (K)
Blackbody T 0.3(K) 112.6 (K)
Blackbody T 0.7(K) 91.1 (K)
Tidally Locked Blackbody T 0.1(K) 142.6 (K)
Tidally Locked Blackbody T 0.3(K) 134.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 122562
Alternate Name :
Star Distance(LY) : 172.9
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4958 (K)
Spectral type : G5
UV portion[%]: 3.0
Visible portion[%]: 36.6
IR portion[%]: 60.3
Metalicity : 0.3
Absolute Magnitude: 4.1
Apparent Magnitude: 7.7
Right Ascension(RA) 210.5882
Declination (DEC) 20.8814
Hubble Space Telescope Guide Star Catalog (GSC) ID 01473-00669
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+122562+&submit=SIMBAD+search
Open Exoplanet Database Link 0
HD 122562 b
HD 122562 b

  • HD 122562 b is an exoplanet orbiting the star HD 122562, located about 172.9 light-years (53.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HD 122562 has apparent magnitude of 7.7, with absolute magnitude of 4.1.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 4958 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 122562 b orbits around the star HD 122562 every 2777.0 days with its orbital distance of 4.10 AU ( 613351269.9 km)
  • (Projected orbit of HD 122562 b around its host star HD 122562)


  • The Star HD 122562 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.579 AU ( 86661901.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.801 AU ( 119789395.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.220 AU ( 182532529.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.796 AU ( 268604613.6 km)
  • Radiation at Planetary Boundary of HD 122562 b : 52.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 122562)



  • Kopparapu Recent Venus for Star HD 122562 distance : 0.628 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 122562 distance : 0.795 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 122562 distance : 0.768 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 122562 distance : 0.843 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 122562 distance : 1.443 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 122562 distance : 1.522 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 122562)



  • Original Kopparapu Recent Venus for Star HD 122562 distance : 0.621 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 122562 distance : 0.819 AU
  • Original Kopparapu Moist Greenhouse for Star HD 122562 distance : 0.822 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 122562 distance : 1.468 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 122562 distance : 1.526 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 122562)



    (Position in Stellar Map of star HD 122562 and its Exoplanet HD 122562 b)



    (Zoomed position in Stellar Map of star HD 122562 and its Exoplanet HD 122562 b (zoom level 3))

    (Synthetic Spectrum of star HD 122562*)
    *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