Imaginary Picture of HD 99706 c
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Exoplanet Name : HD 99706 c
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 5.6900 (Mjup) 1809.0672 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 2.5334 (AU Est.)
Eccentricity : 0.4110
Orbital Period(Yrs) 3.0745
Orbital Period(Observed/Estimated) 1123.00 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 3296.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 338.2 (K)
Blackbody T 0.3(K) 317.6 (K)
Blackbody T 0.7(K) 257.0 (K)
Tidally Locked Blackbody T 0.1(K) 402.2 (K)
Tidally Locked Blackbody T 0.3(K) 377.7 (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 99706
Alternate Name :
Star Distance(LY) : 484.6
Stellar Radius(Rsun) : 5.4 (Rsun Measured)
Stellar Mass(Msun) : 1.7 (Msun Measured) 1.7 (Msun Estimated)
Star Age : 2.1 (GY)
Temperature : 4932 (K)
Spectral type : K0
Metalicity : 0.1
Absolute Magnitude: 2.0
Apparent Magnitude: 7.8
Right Ascension(RA) 172.1259
Declination (DEC) 43.9667
Hubble Space Telescope Guide Star Catalog (GSC) ID 03015-01137
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+99706+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2099706%20b/
HD 99706 c
HD 99706 c

  • HD 99706 c is an exoplanet orbiting the star HD 99706, located about 484.6 light-years (148.6 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star HD 99706 has apparent magnitude of 7.8, with absolute magnitude of 2.0.
  • It is 1.7 times more massive and 5.4 times bigger compared with our Sun. The surface temperature is 4932 with its spectral types of K0
  • In this planetary system, the extrasolar planet HD 99706 c orbits around the star HD 99706 every 1123.0 days with its orbital distance of 2.53 AU ( 378990143.6 km)
  • (Projected orbit of HD 99706 c around its host star HD 99706)


  • The Star HD 99706 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.846 AU ( 425694469.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.933 AU ( 588421004.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.994 AU ( 896623393.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.820 AU ( 1319420601.8 km)
  • Radiation at Planetary Boundary of HD 99706 c : 3296.70 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 99706)



  • Kopparapu Recent Venus for Star HD 99706 distance : 3.088 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 99706 distance : 3.910 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 99706 distance : 3.776 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 99706 distance : 4.145 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 99706 distance : 7.106 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 99706 distance : 7.496 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 99706)



  • Original Kopparapu Recent Venus for Star HD 99706 distance : 3.054 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 99706 distance : 4.030 AU
  • Original Kopparapu Moist Greenhouse for Star HD 99706 distance : 4.041 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 99706 distance : 7.225 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 99706 distance : 7.513 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 99706)



    (Position in Stellar Map of star HD 99706 and its Exoplanet HD 99706 c)



    (Zoomed position in Stellar Map of star HD 99706 and its Exoplanet HD 99706 c (zoom level 3))