Imaginary Picture of HD 10647 b

Display orbital revolution of HD 10647 b around the hoststar HD 10647
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Exoplanet Name : HD 10647 b
Alternate Name : q^1 Eri b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.9300 (Mjup) 295.6823 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.0300 (AU) 2.0300 (AU Est.)
Eccentricity : 0.1000
Orbital Period(Yrs) 2.7460
Orbital Period(Observed/Estimated) 1003.00 (Days Obs.) 1007.25 (Days Est.)
Surface Gravity (G Earth) 2.8555
Star Radiation at Atmospheric Boundary: 478.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 208.8 (K)
Blackbody T 0.3(K) 196.1 (K)
Blackbody T 0.7(K) 158.6 (K)
Tidally Locked Blackbody T 0.1(K) 248.3 (K)
Tidally Locked Blackbody T 0.3(K) 233.2 (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 10647
Alternate Name : q1 Eri
Star Distance(LY) : 56.9
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.8 (GY)
Temperature : 6039 (K)
Spectral type : F8V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.3
Apparent Magnitude: 5.5
Right Ascension(RA) 25.6221
Declination (DEC) -53.7408
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+10647+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2010647%20b/
HD 10647 b
HD 10647 b

  • HD 10647 b is an exoplanet orbiting the star HD 10647, located about 56.9 light-years (17.4 pc) away from Solar System. Its discovery was publicly announced on 2003.
  • The host star HD 10647 has apparent magnitude of 5.5, with absolute magnitude of 4.3.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6039 with its spectral types of F8V
  • In this planetary system, the extrasolar planet HD 10647 b orbits around the star HD 10647 every 1003.0 days with its orbital distance of 2.03 AU ( 303683677.5 km)
  • (Projected orbit of HD 10647 b around its host star HD 10647)


  • The Star HD 10647 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.869 AU ( 130011226.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.201 AU ( 179709491.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.830 AU ( 273837495.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.694 AU ( 402963870.9 km)
  • Radiation at Planetary Boundary of HD 10647 b : 478.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 10647)



  • Kopparapu Recent Venus for Star HD 10647 distance : 0.887 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 10647 distance : 1.123 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 10647 distance : 1.084 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 10647 distance : 1.189 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 10647 distance : 1.970 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 10647 distance : 2.078 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 10647)



  • Original Kopparapu Recent Venus for Star HD 10647 distance : 0.893 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 10647 distance : 1.153 AU
  • Original Kopparapu Moist Greenhouse for Star HD 10647 distance : 1.181 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 10647 distance : 2.005 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 10647 distance : 2.085 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 10647)



    (Position in Stellar Map of star HD 10647 and its Exoplanet HD 10647 b)



    (Zoomed position in Stellar Map of star HD 10647 and its Exoplanet HD 10647 b (zoom level 3))

    (Synthetic Spectrum of star HD 10647*)
    *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