Imaginary Picture of HD 215497 c
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Exoplanet Name : HD 215497 c
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.3300 (Mjup) 104.9195 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.2820 (AU) 1.2820 (AU Est.)
Eccentricity : 0.4900
Orbital Period(Yrs) 1.5549
Orbital Period(Observed/Estimated) 567.94 (Days Obs.) 568.41 (Days Est.)
Star Radiation at Atmospheric Boundary: 322.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 189.1 (K)
Blackbody T 0.3(K) 177.6 (K)
Blackbody T 0.7(K) 143.7 (K)
Tidally Locked Blackbody T 0.1(K) 224.9 (K)
Tidally Locked Blackbody T 0.3(K) 211.2 (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 215497
Alternate Name :
Star Distance(LY) : 142.2
Stellar Radius(Rsun) : 0.8 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 7.0 (GY)
Temperature : 5113 (K)
Spectral type : K3V
Metalicity : 0.2
Absolute Magnitude: 5.8
Apparent Magnitude: 9.0
Right Ascension(RA) 341.6542
Declination (DEC) -56.5994
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+215497+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20215497%20c/
HD 215497 c
HD 215497 c

  • HD 215497 c is an exoplanet orbiting the star HD 215497, located about 142.2 light-years (43.6 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 215497 has apparent magnitude of 9.0, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5113 with its spectral types of K3V
  • In this planetary system, the extrasolar planet HD 215497 c orbits around the star HD 215497 every 567.9 days with its orbital distance of 1.28 AU ( 191784470.2 km)
  • (Projected orbit of HD 215497 c around its host star HD 215497)


  • The Star HD 215497 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.450 AU ( 67378121.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.623 AU ( 93134172.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.949 AU ( 141915868.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.396 AU ( 208835416.7 km)
  • Radiation at Planetary Boundary of HD 215497 c : 322.52 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 215497)



  • Kopparapu Recent Venus for Star HD 215497 distance : 0.485 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 215497 distance : 0.613 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 215497 distance : 0.593 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 215497 distance : 0.650 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 215497 distance : 1.107 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 215497 distance : 1.168 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 215497)



  • Original Kopparapu Recent Venus for Star HD 215497 distance : 0.480 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 215497 distance : 0.632 AU
  • Original Kopparapu Moist Greenhouse for Star HD 215497 distance : 0.635 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 215497 distance : 1.126 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 215497 distance : 1.171 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 215497)



    (Position in Stellar Map of star HD 215497 and its Exoplanet HD 215497 c)



    (Zoomed position in Stellar Map of star HD 215497 and its Exoplanet HD 215497 c (zoom level 3))