Imaginary Picture of HD 65216 c
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Exoplanet Name : HD 65216 c
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.0300 (Mjup) 645.4141 (Mearth)
Semi Major Axis / Orbital Distance Calculated 5.7500 (AU) 5.7500 (AU Est.)
Eccentricity : 0.1700
Orbital Period(Yrs) 14.7019
Orbital Period(Observed/Estimated) 5370.00 (Days Obs.) 5250.47 (Days Est.)
Star Radiation at Atmospheric Boundary: 29.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 103.8 (K)
Blackbody T 0.3(K) 97.4 (K)
Blackbody T 0.7(K) 78.8 (K)
Tidally Locked Blackbody T 0.1(K) 123.4 (K)
Tidally Locked Blackbody T 0.3(K) 115.9 (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 65216
Alternate Name :
Star Distance(LY) : 115.2
Stellar Radius(Rsun) : 0.9 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5666 (K)
Spectral type : G5 V
Metalicity : -0.1
Absolute Magnitude: 5.2
Apparent Magnitude: 8.0
Right Ascension(RA) 118.4208
Declination (DEC) -63.6472
Hubble Space Telescope Guide Star Catalog (GSC) ID 08915-02808
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+65216+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2065216%20c/
HD 65216 c
HD 65216 c

  • HD 65216 c is an exoplanet orbiting the star HD 65216, located about 115.2 light-years (35.3 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 65216 has apparent magnitude of 8.0, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5666 with its spectral types of G5 V
  • In this planetary system, the extrasolar planet HD 65216 c orbits around the star HD 65216 every 5370.0 days with its orbital distance of 5.75 AU ( 860187756.5 km)
  • (Projected orbit of HD 65216 c around its host star HD 65216)


  • The Star HD 65216 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.608 AU ( 90933891.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.840 AU ( 125694402.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.280 AU ( 191530453.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.884 AU ( 281845452.3 km)
  • Radiation at Planetary Boundary of HD 65216 c : 29.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 65216)



  • Kopparapu Recent Venus for Star HD 65216 distance : 0.634 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 65216 distance : 0.803 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 65216 distance : 0.776 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 65216 distance : 0.851 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 65216 distance : 1.423 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 65216 distance : 1.501 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 65216)



  • Original Kopparapu Recent Venus for Star HD 65216 distance : 0.634 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 65216 distance : 0.826 AU
  • Original Kopparapu Moist Greenhouse for Star HD 65216 distance : 0.838 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 65216 distance : 1.448 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 65216 distance : 1.505 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 65216)



    (Position in Stellar Map of star HD 65216 and its Exoplanet HD 65216 c)



    (Zoomed position in Stellar Map of star HD 65216 and its Exoplanet HD 65216 c (zoom level 3))