Imaginary Picture of HD 44219 b

Display orbital revolution of HD 44219 b around the hoststar HD 44219
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Exoplanet Name : HD 44219 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.5800 (Mjup) 184.4040 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.1900 (AU) 1.1900 (AU Est.)
Eccentricity : 0.6100
Orbital Period(Yrs) 1.2931
Orbital Period(Observed/Estimated) 472.30 (Days Obs.) 474.14 (Days Est.)
Star Radiation at Atmospheric Boundary: 1651.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 284.5 (K)
Blackbody T 0.3(K) 267.2 (K)
Blackbody T 0.7(K) 216.2 (K)
Tidally Locked Blackbody T 0.1(K) 338.4 (K)
Tidally Locked Blackbody T 0.3(K) 317.8 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 44219
Alternate Name :
Star Distance(LY) : 172.3
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5752 (K)
Spectral type : G2V
Metalicity : 0.0
Absolute Magnitude: 4.1
Apparent Magnitude: 7.7
Right Ascension(RA) 95.0597
Declination (DEC) -10.7250
Hubble Space Telescope Guide Star Catalog (GSC) ID 05367-00701
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+44219+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2044219%20b/
HD 44219 b
HD 44219 b

  • HD 44219 b is an exoplanet orbiting the star HD 44219, located about 172.3 light-years (52.8 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star HD 44219 has apparent magnitude of 7.7, with absolute magnitude of 4.1.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5752 with its spectral types of G2V
  • In this planetary system, the extrasolar planet HD 44219 b orbits around the star HD 44219 every 472.3 days with its orbital distance of 1.19 AU ( 178021466.1 km)
  • (Projected orbit of HD 44219 b around its host star HD 44219)


  • The Star HD 44219 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.946 AU ( 141536938.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.308 AU ( 195641037.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.993 AU ( 298113645.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.932 AU ( 438687289.4 km)
  • Radiation at Planetary Boundary of HD 44219 b : 1651.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 44219)



  • Kopparapu Recent Venus for Star HD 44219 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 44219 distance : 1.244 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 44219 distance : 1.201 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 44219 distance : 1.317 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 44219 distance : 2.198 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 44219 distance : 2.318 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 44219)



  • Original Kopparapu Recent Venus for Star HD 44219 distance : 0.983 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 44219 distance : 1.278 AU
  • Original Kopparapu Moist Greenhouse for Star HD 44219 distance : 1.301 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 44219 distance : 2.236 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 44219 distance : 2.326 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 44219)



    (Position in Stellar Map of star HD 44219 and its Exoplanet HD 44219 b)



    (Zoomed position in Stellar Map of star HD 44219 and its Exoplanet HD 44219 b (zoom level 3))