Imaginary Picture of HD 11506 c

Display orbital revolution of HD 11506 c around the hoststar HD 11506
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Exoplanet Name : HD 11506 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.4080 (Mjup) 129.7187 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.7740 (AU) 0.7740 (AU Est.)
Eccentricity : 0.1930
Orbital Period(Yrs) 0.6116
Orbital Period(Observed/Estimated) 223.41 (Days Obs.) 223.35 (Days Est.)
Surface Gravity (G Earth) 1.2527
Star Radiation at Atmospheric Boundary: 4859.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 372.6 (K)
Blackbody T 0.3(K) 350.0 (K)
Blackbody T 0.7(K) 283.1 (K)
Tidally Locked Blackbody T 0.1(K) 443.1 (K)
Tidally Locked Blackbody T 0.3(K) 416.2 (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 11506
Alternate Name :
Star Distance(LY) : 163.9
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 2.3 (GY)
Temperature : 6030 (K)
Spectral type : G0V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
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 05858-02028
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 1.3 times bigger compared with our Sun. The surface temperature is 6030 with its spectral types of G0V
  • In this planetary system, the extrasolar planet HD 11506 c orbits around the star HD 11506 every 223.4 days with its orbital distance of 0.77 AU ( 115788751.9 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 ) : 1.056 AU ( 157905601.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.459 AU ( 218266806.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.223 AU ( 332590310.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.272 AU ( 489421211.8 km)
  • Radiation at Planetary Boundary of HD 11506 c : 4859.61 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 : 1.077 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 11506 distance : 1.364 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 11506 distance : 1.318 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 11506 distance : 1.444 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 11506 distance : 2.395 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 11506 distance : 2.526 AU

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



  • Original Kopparapu Recent Venus for Star HD 11506 distance : 1.084 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 11506 distance : 1.401 AU
  • Original Kopparapu Moist Greenhouse for Star HD 11506 distance : 1.435 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 11506 distance : 2.437 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 11506 distance : 2.534 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))

    (Synthetic Spectrum of star HD 11506*)
    *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