Imaginary Picture of HD 86950 b

Display orbital revolution of HD 86950 b around the hoststar HD 86950
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Exoplanet Name : HD 86950 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.6000 (Mjup) 1144.5768 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.7200 (AU) 2.7200 (AU Est.)
Eccentricity : 0.1700
Orbital Period(Yrs) 3.4770
Orbital Period(Observed/Estimated) 1270.00 (Days Obs.) 1271.71 (Days Est.)
Surface Gravity (G Earth) 11.0536
Star Radiation at Atmospheric Boundary: 6842.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 405.9 (K)
Blackbody T 0.3(K) 381.2 (K)
Blackbody T 0.7(K) 308.4 (K)
Tidally Locked Blackbody T 0.1(K) 482.7 (K)
Tidally Locked Blackbody T 0.3(K) 453.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 86950
Alternate Name :
Star Distance(LY) : 551.2
Stellar Radius(Rsun) : 8.8 (Rsun Measured)
Stellar Mass(Msun) : 1.7 (Msun Measured) 1.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4805 (K)
Spectral type : K1 III
UV portion[%]: 2.5
Visible portion[%]: 35.5
IR portion[%]: 62.1
Metalicity : 0.0
Absolute Magnitude: 1.3
Apparent Magnitude: 7.5
Right Ascension(RA) 150.4083
Declination (DEC) -17.3331
Hubble Space Telescope Guide Star Catalog (GSC) ID 06050-01243
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+86950&submit=SIMBAD+search
Open Exoplanet Database Link
HD 86950 b
HD 86950 b

  • HD 86950 b is an exoplanet orbiting the star HD 86950, located about 551.2 light-years (169.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HD 86950 has apparent magnitude of 7.5, with absolute magnitude of 1.3.
  • It is 1.7 times more massive and 8.8 times bigger compared with our Sun. The surface temperature is 4805 with its spectral types of K1 III
  • In this planetary system, the extrasolar planet HD 86950 b orbits around the star HD 86950 every 1270.0 days with its orbital distance of 2.72 AU ( 406906208.3 km)
  • (Projected orbit of HD 86950 b around its host star HD 86950)


  • The Star HD 86950 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.402 AU ( 658457226.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 6.084 AU ( 910159963.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 9.271 AU ( 1386882365.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 13.642 AU ( 2040858156.5 km)
  • Radiation at Planetary Boundary of HD 86950 b : 6842.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 86950)



  • Kopparapu Recent Venus for Star HD 86950 distance : 4.804 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 86950 distance : 6.082 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 86950 distance : 5.874 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 86950 distance : 6.448 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 86950 distance : 11.112 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 86950 distance : 11.722 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 86950)



  • Original Kopparapu Recent Venus for Star HD 86950 distance : 4.746 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 86950 distance : 6.272 AU
  • Original Kopparapu Moist Greenhouse for Star HD 86950 distance : 6.279 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 86950 distance : 11.297 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 86950 distance : 11.748 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 86950)



    (Position in Stellar Map of star HD 86950 and its Exoplanet HD 86950 b)



    (Zoomed position in Stellar Map of star HD 86950 and its Exoplanet HD 86950 b (zoom level 3))

    (Synthetic Spectrum of star HD 86950*)
    *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