Imaginary Picture of HD 130322 b

Display orbital revolution of HD 130322 b around the hoststar HD 130322
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Exoplanet Name : HD 130322 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.0500 (Mjup) 333.8349 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0900 (AU) 0.0900 (AU Est.)
Eccentricity : 0.0440
Orbital Period(Yrs) 0.0293
Orbital Period(Observed/Estimated) 10.72 (Days Obs.) 11.10 (Days Est.)
Surface Gravity (G Earth) 3.2240
Star Radiation at Atmospheric Boundary: 84175.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 760.2 (K)
Blackbody T 0.3(K) 713.9 (K)
Blackbody T 0.7(K) 577.6 (K)
Tidally Locked Blackbody T 0.1(K) 904.1 (K)
Tidally Locked Blackbody T 0.3(K) 849.0 (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 130322
Alternate Name :
Star Distance(LY) : 103.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.3 (GY)
Temperature : 5330 (K)
Spectral type : K0 V
UV portion[%]: 6.0
Visible portion[%]: 41.8
IR portion[%]: 52.3
Metalicity : -0.0
Absolute Magnitude: 5.5
Apparent Magnitude: 8.1
Right Ascension(RA) 221.8863
Declination (DEC) -0.2814
Hubble Space Telescope Guide Star Catalog (GSC) ID 04986-00302
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+130322+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20130322%20b/
HD 130322 b
HD 130322 b

  • HD 130322 b is an exoplanet orbiting the star HD 130322, located about 103.4 light-years (31.7 pc) away from Solar System. Its discovery was publicly announced on 1999.
  • The host star HD 130322 has apparent magnitude of 8.1, with absolute magnitude of 5.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5330 with its spectral types of K0 V
  • In this planetary system, the extrasolar planet HD 130322 b orbits around the star HD 130322 every 10.7 days with its orbital distance of 0.09 AU ( 13463808.4 km)
  • (Projected orbit of HD 130322 b around its host star HD 130322)


  • The Star HD 130322 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.511 AU ( 76417112.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.706 AU ( 105628419.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.076 AU ( 160954335.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.583 AU ( 236851356.2 km)
  • Radiation at Planetary Boundary of HD 130322 b : 84175.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 130322)



  • Kopparapu Recent Venus for Star HD 130322 distance : 0.543 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 130322 distance : 0.688 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 130322 distance : 0.664 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 130322 distance : 0.729 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 130322 distance : 1.232 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 130322 distance : 1.299 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 130322)



  • Original Kopparapu Recent Venus for Star HD 130322 distance : 0.540 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 130322 distance : 0.708 AU
  • Original Kopparapu Moist Greenhouse for Star HD 130322 distance : 0.714 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 130322 distance : 1.253 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 130322 distance : 1.303 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 130322)



    (Position in Stellar Map of star HD 130322 and its Exoplanet HD 130322 b)



    (Zoomed position in Stellar Map of star HD 130322 and its Exoplanet HD 130322 b (zoom level 3))

    (Synthetic Spectrum of star HD 130322*)
    *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