Imaginary Picture of HD 45184 b
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Exoplanet Name : HD 45184 b
Alternate Name :
Radius (Rjup / Re): 0.2077 (Rjup) 2.3286 (Rearth)
Mass (Mjup / Me): 0.0400 (Mjup) 12.7175 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0638 (AU) 0.0638 (AU Est.)
Eccentricity : 0.3000
Orbital Period(Yrs) 0.0161
Orbital Period(Observed/Estimated) 5.89 (Days Obs.) 9.95 (Days Est.)
Star Radiation at Atmospheric Boundary: 369374.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1100.3 (K)
Blackbody T 0.3(K) 1033.3 (K)
Blackbody T 0.7(K) 836.0 (K)
Tidally Locked Blackbody T 0.1(K) 1308.5 (K)
Tidally Locked Blackbody T 0.3(K) 1228.8 (K)
Size Class: sub-Neptune-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 45184
Alternate Name :
Star Distance(LY) : 71.6
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 0.3 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5930 (K)
Spectral type : G1.5V
Metalicity : 0.0
Absolute Magnitude: 4.7
Apparent Magnitude: 6.4
Right Ascension(RA) 96.1828
Declination (DEC) -28.7800
Hubble Space Telescope Guide Star Catalog (GSC) ID 06518-02342
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+45184+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2045184%20b/
HD 45184 b
HD 45184 b

  • HD 45184 b is an exoplanet orbiting the star HD 45184, located about 71.6 light-years (21.9 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 45184 has apparent magnitude of 6.4, with absolute magnitude of 4.7.
  • It is 0.3 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5930 with its spectral types of G1.5V
  • In this planetary system, the extrasolar planet HD 45184 b orbits around the star HD 45184 every 5.9 days with its orbital distance of 0.06 AU ( 9544344.2 km)
  • (Projected orbit of HD 45184 b around its host star HD 45184)


  • The Star HD 45184 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.759 AU ( 113477440.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.049 AU ( 156855477.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.598 AU ( 239013035.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.351 AU ( 351718152.2 km)
  • Radiation at Planetary Boundary of HD 45184 b : 369373.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 45184)



  • Kopparapu Recent Venus for Star HD 45184 distance : 0.779 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 45184 distance : 0.987 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 45184 distance : 0.953 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 45184 distance : 1.044 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 45184 distance : 1.735 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 45184 distance : 1.830 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 45184)



  • Original Kopparapu Recent Venus for Star HD 45184 distance : 0.782 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 45184 distance : 1.013 AU
  • Original Kopparapu Moist Greenhouse for Star HD 45184 distance : 1.035 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 45184 distance : 1.766 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 45184 distance : 1.837 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 45184)



    (Position in Stellar Map of star HD 45184 and its Exoplanet HD 45184 b)



    (Zoomed position in Stellar Map of star HD 45184 and its Exoplanet HD 45184 b (zoom level 3))