Imaginary Picture of HD 62509 b

Display orbital revolution of HD 62509 b around the hoststar HD 62509
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Exoplanet Name : HD 62509 b
Alternate Name : "beta Gem b, Pollux b"
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.9000 (Mjup) 922.0202 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.6900 (AU) 1.6900 (AU Est.)
Eccentricity : 0.0200
Orbital Period(Yrs) 1.6143
Orbital Period(Observed/Estimated) 589.64 (Days Obs.) 661.85 (Days Est.)
Surface Gravity (G Earth) 8.9043
Star Radiation at Atmospheric Boundary: 17602.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 514.1 (K)
Blackbody T 0.3(K) 482.8 (K)
Blackbody T 0.7(K) 390.6 (K)
Tidally Locked Blackbody T 0.1(K) 611.4 (K)
Tidally Locked Blackbody T 0.3(K) 574.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 62509
Alternate Name : "beta Gem, Pollux"
Star Distance(LY) : 33.8
Stellar Radius(Rsun) : 9.3 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4666 (K)
Spectral type : K0IIIb
UV portion[%]: 2.1
Visible portion[%]: 33.7
IR portion[%]: 64.2
Metalicity : 0.2
Absolute Magnitude: 1.1
Apparent Magnitude: 1.1
Right Ascension(RA) 116.3290
Declination (DEC) 28.0261
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+62509+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2062509%20b/
HD 62509 b
HD 62509 b

  • HD 62509 b is an exoplanet orbiting the star HD 62509, located about 33.8 light-years (10.4 pc) away from Solar System. Its discovery was publicly announced on 2006.
  • The host star HD 62509 has apparent magnitude of 1.1, with absolute magnitude of 1.1.
  • It is 1.5 times more massive and 9.3 times bigger compared with our Sun. The surface temperature is 4666 with its spectral types of K0IIIb
  • In this planetary system, the extrasolar planet HD 62509 b orbits around the star HD 62509 every 589.6 days with its orbital distance of 1.69 AU ( 252820401.5 km)
  • (Projected orbit of HD 62509 b around its host star HD 62509)


  • The Star HD 62509 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.386 AU ( 656191393.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 6.063 AU ( 907027989.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 9.239 AU ( 1382109930.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 13.595 AU ( 2033835309.1 km)
  • Radiation at Planetary Boundary of HD 62509 b : 17602.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 62509)



  • Kopparapu Recent Venus for Star HD 62509 distance : 4.815 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 62509 distance : 6.095 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 62509 distance : 5.888 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 62509 distance : 6.464 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 62509 distance : 11.205 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 62509 distance : 11.820 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 62509)



  • Original Kopparapu Recent Venus for Star HD 62509 distance : 4.753 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 62509 distance : 6.289 AU
  • Original Kopparapu Moist Greenhouse for Star HD 62509 distance : 6.289 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 62509 distance : 11.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 62509 distance : 11.845 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 62509)



    (Position in Stellar Map of star HD 62509 and its Exoplanet HD 62509 b)



    (Zoomed position in Stellar Map of star HD 62509 and its Exoplanet HD 62509 b (zoom level 3))

    (Synthetic Spectrum of star HD 62509*)
    *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