Imaginary Picture of HD 216435 b

Display orbital revolution of HD 216435 b around the hoststar HD 216435
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Exoplanet Name : HD 216435 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.2600 (Mjup) 400.6019 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.5600 (AU) 2.5600 (AU Est.)
Eccentricity : 0.0700
Orbital Period(Yrs) 3.5892
Orbital Period(Observed/Estimated) 1311.00 (Days Obs.) 1312.13 (Days Est.)
Surface Gravity (G Earth) 3.8687
Star Radiation at Atmospheric Boundary: 827.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 239.4 (K)
Blackbody T 0.3(K) 224.8 (K)
Blackbody T 0.7(K) 181.9 (K)
Tidally Locked Blackbody T 0.1(K) 284.7 (K)
Tidally Locked Blackbody T 0.3(K) 267.4 (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 216435
Alternate Name :
Star Distance(LY) : 106.4
Stellar Radius(Rsun) : 2.0 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 5.3 (GY)
Temperature : 5767 (K)
Spectral type : G0 V
UV portion[%]: 7.8
Visible portion[%]: 44.7
IR portion[%]: 47.5
Metalicity : 0.2
Absolute Magnitude: 3.5
Apparent Magnitude: 6.0
Right Ascension(RA) 343.4080
Declination (DEC) -48.5981
Hubble Space Telescope Guide Star Catalog (GSC) ID
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+216435+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20216435%20b/
HD 216435 b
HD 216435 b

  • HD 216435 b is an exoplanet orbiting the star HD 216435, located about 106.4 light-years (32.6 pc) away from Solar System. Its discovery was publicly announced on 2002.
  • The host star HD 216435 has apparent magnitude of 6.0, with absolute magnitude of 3.5.
  • It is 1.3 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 5767 with its spectral types of G0 V
  • In this planetary system, the extrasolar planet HD 216435 b orbits around the star HD 216435 every 1311.0 days with its orbital distance of 2.56 AU ( 382970549.0 km)
  • (Projected orbit of HD 216435 b around its host star HD 216435)


  • The Star HD 216435 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.441 AU ( 215569845.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.992 AU ( 297973862.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.035 AU ( 454046224.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.466 AU ( 668148909.3 km)
  • Radiation at Planetary Boundary of HD 216435 b : 827.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 216435)



  • Kopparapu Recent Venus for Star HD 216435 distance : 1.495 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 216435 distance : 1.893 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 216435 distance : 1.828 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 216435 distance : 2.004 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216435 distance : 3.343 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 216435 distance : 3.526 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 216435)



  • Original Kopparapu Recent Venus for Star HD 216435 distance : 1.496 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 216435 distance : 1.945 AU
  • Original Kopparapu Moist Greenhouse for Star HD 216435 distance : 1.980 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216435 distance : 3.402 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 216435 distance : 3.538 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 216435)



    (Position in Stellar Map of star HD 216435 and its Exoplanet HD 216435 b)



    (Zoomed position in Stellar Map of star HD 216435 and its Exoplanet HD 216435 b (zoom level 3))

    (Synthetic Spectrum of star HD 216435*)
    *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