Imaginary Picture of HD 11506 c
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Exoplanet Name : HD 11506 c
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.8200 (Mjup) 260.7092 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.6390 (AU) 0.6390 (AU Est.)
Eccentricity : 0.4200
Orbital Period(Yrs) 0.4667
Orbital Period(Observed/Estimated) 170.46 (Days Obs.) 171.03 (Days Est.)
Star Radiation at Atmospheric Boundary: 7703.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 418.1 (K)
Blackbody T 0.3(K) 392.7 (K)
Blackbody T 0.7(K) 317.7 (K)
Tidally Locked Blackbody T 0.1(K) 497.2 (K)
Tidally Locked Blackbody T 0.3(K) 467.0 (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 11506
Alternate Name :
Star Distance(LY) : 163.9
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 5.4 (GY)
Temperature : 6058 (K)
Spectral type : G0V
Metalicity : 0.3
Absolute Magnitude: 4.0
Apparent Magnitude: 7.5
Right Ascension(RA) 28.2125
Declination (DEC) -19.5069
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Matthew J. Giguere, Debra A. Fischer, Matthew J. Payne, John M. Brewer, John Asher Johnson, Andrew W. Howard, Howard T. Isaacson"
Discovery Paper - Title "Newly-Discovered Planets Orbiting HD~5319, HD~11506, HD~75784 and HD~10442 from the N2K Consortium"
Discovery Paper - Journal "The Astrophysical Journal, Volume 799, Number 1 "
Discovery Paper - URL http://iopscience.iop.org/article/10.1088/0004-637X/799/1/89/meta
SIMBAD LINK http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+11506+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2011506%20c/
HD 11506 c
HD 11506 c

  • HD 11506 c is an exoplanet orbiting the star HD 11506, located about 163.9 light-years (50.3 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 11506 has apparent magnitude of 7.5, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6058 with its spectral types of G0V
  • In this planetary system, the extrasolar planet HD 11506 c orbits around the star HD 11506 every 170.5 days with its orbital distance of 0.64 AU ( 95593039.4 km)
  • (Projected orbit of HD 11506 c around its host star HD 11506)


  • The Star HD 11506 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.097 AU ( 164132935.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.517 AU ( 226874609.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.311 AU ( 345706698.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.401 AU ( 508722550.9 km)
  • Radiation at Planetary Boundary of HD 11506 c : 7703.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 11506)



  • Kopparapu Recent Venus for Star HD 11506 distance : 1.118 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 11506 distance : 1.416 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 11506 distance : 1.367 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 11506 distance : 1.499 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 11506 distance : 2.483 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 11506 distance : 2.619 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 11506)



  • Original Kopparapu Recent Venus for Star HD 11506 distance : 1.126 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 11506 distance : 1.453 AU
  • Original Kopparapu Moist Greenhouse for Star HD 11506 distance : 1.490 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 11506 distance : 2.527 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 11506 distance : 2.628 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 11506)



    (Position in Stellar Map of star HD 11506 and its Exoplanet HD 11506 c)



    (Zoomed position in Stellar Map of star HD 11506 and its Exoplanet HD 11506 c (zoom level 3))