Imaginary Picture of BD+14 4559 b

Display orbital revolution of BD+14 4559 b around the hoststar BD+14 4559
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Exoplanet Name : BD+14 4559 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.4700 (Mjup) 467.3689 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.7770 (AU) 0.7770 (AU Est.)
Eccentricity : 0.2900
Orbital Period(Yrs) 0.7363
Orbital Period(Observed/Estimated) 268.94 (Days Obs.) 269.76 (Days Est.)
Surface Gravity (G Earth) 4.5135
Star Radiation at Atmospheric Boundary: 776.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 235.6 (K)
Blackbody T 0.3(K) 221.2 (K)
Blackbody T 0.7(K) 179.0 (K)
Tidally Locked Blackbody T 0.1(K) 280.2 (K)
Tidally Locked Blackbody T 0.3(K) 263.1 (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 : BD+14 4559
Alternate Name :
Star Distance(LY) : 162.3
Stellar Radius(Rsun) : 0.8 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5008 (K)
Spectral type : K2V
UV portion[%]: 3.3
Visible portion[%]: 37.2
IR portion[%]: 59.5
Metalicity : 0.1
Absolute Magnitude: 6.1
Apparent Magnitude: 9.6
Right Ascension(RA) 318.4000
Declination (DEC) 14.6894
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Niedzielski,.; Nowak,.; Adam_w,.; Wolszczan,."
Discovery Paper - Title Substellar-mass Companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=BD%2B14+4559&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/BD14%204559%20b/
BD+14 4559 b
BD+14 4559 b
  • BD+14 4559 b is an exoplanet orbiting the star BD+14 4559, located about 162.3 light-years (49.8 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star BD+14 4559 has apparent magnitude of 9.6, with absolute magnitude of 6.1.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5008 with its spectral types of K2V
  • In this planetary system, the extrasolar planet BD+14 4559 b orbits around the star BD+14 4559 every 268.9 days with its orbital distance of 0.78 AU ( 116237545.5 km)
    • (Projected orbit of BD+14 4559 b around its host star BD+14 4559)


  • The Star BD+14 4559 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.424 AU ( 63359091.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.585 AU ( 87578822.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.892 AU ( 133450744.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.313 AU ( 196378616.0 km)
  • Radiation at Planetary Boundary of BD+14 4559 b : 776.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD+14 4559)



  • Kopparapu Recent Venus for Star BD+14 4559 distance : 0.458 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star BD+14 4559 distance : 0.580 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star BD+14 4559 distance : 0.560 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star BD+14 4559 distance : 0.615 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+14 4559 distance : 1.051 AU
  • Kopparapu Outer Boundary for Early Mars for Star BD+14 4559 distance : 1.108 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star BD+14 4559)



  • Original Kopparapu Recent Venus for Star BD+14 4559 distance : 0.453 AU
  • Original Kopparapu Runaway Greenhouse for Star BD+14 4559 distance : 0.598 AU
  • Original Kopparapu Moist Greenhouse for Star BD+14 4559 distance : 0.600 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+14 4559 distance : 1.068 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star BD+14 4559 distance : 1.111 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star BD+14 4559)



    (Position in Stellar Map of star BD+14 4559 and its Exoplanet BD+14 4559 b)



    (Zoomed position in Stellar Map of star BD+14 4559 and its Exoplanet BD+14 4559 b (zoom level 3))

    (Synthetic Spectrum of star BD+14 4559*)
    *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