Imaginary Picture of HD 17156 b

Display orbital revolution of HD 17156 b around the hoststar HD 17156
/
Exoplanet Name : HD 17156 b
Alternate Name :
Radius (Rjup / Re): 1.0950 (Rjup) 12.2739 (Rearth)
Mass (Mjup / Me): 3.1950 (Mjup) 1015.8119 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1623 (AU) 0.1623 (AU Est.)
Eccentricity : 0.6768
Orbital Period(Yrs) 0.0581
Orbital Period(Observed/Estimated) 21.22 (Days Obs.) 21.15 (Days Est.)
Star Radiation at Atmospheric Boundary: 144576.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 870.3 (K)
Blackbody T 0.3(K) 817.3 (K)
Blackbody T 0.7(K) 661.3 (K)
Tidally Locked Blackbody T 0.1(K) 1035.0 (K)
Tidally Locked Blackbody T 0.3(K) 971.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 17156
Alternate Name :
Star Distance(LY) : 260.3
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 6079 (K)
Spectral type : G0
Metalicity : 0.2
Absolute Magnitude: 3.7
Apparent Magnitude: 8.2
Right Ascension(RA) 42.4354
Declination (DEC) 71.7533
Hubble Space Telescope Guide Star Catalog (GSC) ID 04321-01320
Discovered by
Discovery Paper - Authors HOG E.; FABRICIUS C.; MAKAROV V.V.; URBAN S.; CORBIN T.; WYCOFF G.; BASTIAN U.; SCHWEKENDIEK P.; WICENEC A.
Discovery Paper - Title The Tycho-2 catalogue of the 2.5 million brightest stars.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+17156+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2017156%20b/
HD 17156 b
HD 17156 b

  • HD 17156 b is an exoplanet orbiting the star HD 17156, located about 260.3 light-years (79.8 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HD 17156 has apparent magnitude of 8.2, with absolute magnitude of 3.7.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6079 with its spectral types of G0
  • In this planetary system, the extrasolar planet HD 17156 b orbits around the star HD 17156 every 21.2 days with its orbital distance of 0.16 AU ( 24279734.4 km)
  • (Projected orbit of HD 17156 b around its host star HD 17156)


  • The Star HD 17156 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.207 AU ( 180602492.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.669 AU ( 249639842.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.543 AU ( 380395874.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.742 AU ( 559769193.4 km)
  • Radiation at Planetary Boundary of HD 17156 b : 144576.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 17156)



  • Kopparapu Recent Venus for Star HD 17156 distance : 1.229 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 17156 distance : 1.556 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 17156 distance : 1.503 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 17156 distance : 1.647 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.728 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 17156 distance : 2.877 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 17156)



  • Original Kopparapu Recent Venus for Star HD 17156 distance : 1.238 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 17156 distance : 1.597 AU
  • Original Kopparapu Moist Greenhouse for Star HD 17156 distance : 1.638 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.776 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 17156 distance : 2.887 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 17156)



    (Position in Stellar Map of star HD 17156 and its Exoplanet HD 17156 b)



    (Zoomed position in Stellar Map of star HD 17156 and its Exoplanet HD 17156 b (zoom level 3))