Imaginary Picture of HD 216437 b

Display orbital revolution of HD 216437 b around the hoststar HD 216437
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Exoplanet Name : HD 216437 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.8200 (Mjup) 578.6472 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.3200 (AU) 2.3200 (AU Est.)
Eccentricity : 0.2900
Orbital Period(Yrs) 3.4386
Orbital Period(Observed/Estimated) 1256.00 (Days Obs.) 1253.63 (Days Est.)
Surface Gravity (G Earth) 5.5882
Star Radiation at Atmospheric Boundary: 278.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 182.3 (K)
Blackbody T 0.3(K) 171.2 (K)
Blackbody T 0.7(K) 138.5 (K)
Tidally Locked Blackbody T 0.1(K) 216.8 (K)
Tidally Locked Blackbody T 0.3(K) 203.6 (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 216437
Alternate Name :
Star Distance(LY) : 86.1
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 13.0 (GY)
Temperature : 5636 (K)
Spectral type : G4 IV-V
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.5
Metalicity : 0.2
Absolute Magnitude: 4.0
Apparent Magnitude: 6.1
Right Ascension(RA) 343.6645
Declination (DEC) -70.0736
Hubble Space Telescope Guide Star Catalog (GSC) ID 09340-01818
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+216437+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20216437%20b/
HD 216437 b
HD 216437 b

  • HD 216437 b is an exoplanet orbiting the star HD 216437, located about 86.1 light-years (26.4 pc) away from Solar System. Its discovery was publicly announced on 2002.
  • The host star HD 216437 has apparent magnitude of 6.1, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5636 with its spectral types of G4 IV-V
  • In this planetary system, the extrasolar planet HD 216437 b orbits around the star HD 216437 every 1256.0 days with its orbital distance of 2.32 AU ( 347067060.0 km)
  • (Projected orbit of HD 216437 b around its host star HD 216437)


  • The Star HD 216437 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.757 AU ( 113238150.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.046 AU ( 156524716.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.594 AU ( 238509028.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.346 AU ( 350976484.3 km)
  • Radiation at Planetary Boundary of HD 216437 b : 278.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 216437)



  • Kopparapu Recent Venus for Star HD 216437 distance : 0.791 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 216437 distance : 1.002 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 216437 distance : 0.968 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 216437 distance : 1.061 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216437 distance : 1.776 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 216437 distance : 1.874 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 216437)



  • Original Kopparapu Recent Venus for Star HD 216437 distance : 0.790 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 216437 distance : 1.030 AU
  • Original Kopparapu Moist Greenhouse for Star HD 216437 distance : 1.045 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216437 distance : 1.807 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 216437 distance : 1.879 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 216437)



    (Position in Stellar Map of star HD 216437 and its Exoplanet HD 216437 b)



    (Zoomed position in Stellar Map of star HD 216437 and its Exoplanet HD 216437 b (zoom level 3))

    (Synthetic Spectrum of star HD 216437*)
    *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