Imaginary Picture of HD 83443 b

Display orbital revolution of HD 83443 b around the hoststar HD 83443
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Exoplanet Name : HD 83443 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0400 (Rjup) 11.6574 (Rearth)
Mass (Mjup / Me): 0.4000 (Mjup) 127.1752 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0406 (AU) 0.0406 (AU Est.)
Eccentricity : 0.0070
Orbital Period(Yrs) 0.0082
Orbital Period(Observed/Estimated) 2.99 (Days Obs.) 3.15 (Days Est.)
Surface Gravity (G Earth) 0.9358
Star Radiation at Atmospheric Boundary: 715138.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1297.9 (K)
Blackbody T 0.3(K) 1218.9 (K)
Blackbody T 0.7(K) 986.2 (K)
Tidally Locked Blackbody T 0.1(K) 1543.5 (K)
Tidally Locked Blackbody T 0.3(K) 1449.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 83443
Alternate Name :
Star Distance(LY) : 131.8
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 5460 (K)
Spectral type : K0 V
UV portion[%]: 6.7
Visible portion[%]: 42.9
IR portion[%]: 50.4
Metalicity : 0.3
Absolute Magnitude: 5.2
Apparent Magnitude: 8.2
Right Ascension(RA) 144.2993
Declination (DEC) -43.2719
Hubble Space Telescope Guide Star Catalog (GSC) ID 07704-00039
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+83443++&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2083443%20b/
HD 83443 b
HD 83443 b

  • HD 83443 b is an exoplanet orbiting the star HD 83443, located about 131.8 light-years (40.4 pc) away from Solar System. Its discovery was publicly announced on 2002.
  • The host star HD 83443 has apparent magnitude of 8.2, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5460 with its spectral types of K0 V
  • In this planetary system, the extrasolar planet HD 83443 b orbits around the star HD 83443 every 3.0 days with its orbital distance of 0.04 AU ( 6073673.6 km)
  • (Projected orbit of HD 83443 b around its host star HD 83443)


  • The Star HD 83443 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.672 AU ( 100479331.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.928 AU ( 138888694.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.415 AU ( 211635634.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.082 AU ( 311431107.4 km)
  • Radiation at Planetary Boundary of HD 83443 b : 715138.23 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 83443)



  • Kopparapu Recent Venus for Star HD 83443 distance : 0.709 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 83443 distance : 0.898 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 83443 distance : 0.867 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 83443 distance : 0.951 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 83443 distance : 1.601 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 83443 distance : 1.689 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 83443)



  • Original Kopparapu Recent Venus for Star HD 83443 distance : 0.706 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 83443 distance : 0.924 AU
  • Original Kopparapu Moist Greenhouse for Star HD 83443 distance : 0.934 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 83443 distance : 1.628 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 83443 distance : 1.694 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 83443)



    (Position in Stellar Map of star HD 83443 and its Exoplanet HD 83443 b)



    (Zoomed position in Stellar Map of star HD 83443 and its Exoplanet HD 83443 b (zoom level 3))

    (Synthetic Spectrum of star HD 83443*)
    *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