Imaginary Picture of HD 86226 b

Display orbital revolution of HD 86226 b around the hoststar HD 86226
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Exoplanet Name : HD 86226 b
Alternate Name : TOI-652 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.4500 (Mjup) 143.0721 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.7300 (AU) 2.7300 (AU Est.)
Eccentricity : 0.0590
Orbital Period(Yrs) 4.4571
Orbital Period(Observed/Estimated) 1628.00 (Days Obs.) 1631.30 (Days Est.)
Surface Gravity (G Earth) 1.3817
Star Radiation at Atmospheric Boundary: 191.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 166.0 (K)
Blackbody T 0.3(K) 155.9 (K)
Blackbody T 0.7(K) 126.1 (K)
Tidally Locked Blackbody T 0.1(K) 197.4 (K)
Tidally Locked Blackbody T 0.3(K) 185.4 (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 86226
Alternate Name :
Star Distance(LY) : 148.0
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5800 (K)
Spectral type : G2V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.0
Absolute Magnitude: 4.6
Apparent Magnitude: 7.9
Right Ascension(RA) 149.1244
Declination (DEC) -24.0994
Hubble Space Telescope Guide Star Catalog (GSC) ID 06604-00875
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+86226+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2086226%20b/
HD 86226 b
HD 86226 b

  • HD 86226 b is an exoplanet orbiting the star HD 86226, located about 148.0 light-years (45.4 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star HD 86226 has apparent magnitude of 7.9, with absolute magnitude of 4.6.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5800 with its spectral types of G2V
  • In this planetary system, the extrasolar planet HD 86226 b orbits around the star HD 86226 every 1628.0 days with its orbital distance of 2.73 AU ( 408402187.0 km)
  • (Projected orbit of HD 86226 b around its host star HD 86226)


  • The Star HD 86226 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.739 AU ( 110494960.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.021 AU ( 152732911.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.556 AU ( 232731156.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.289 AU ( 342474092.2 km)
  • Radiation at Planetary Boundary of HD 86226 b : 191.27 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 86226)



  • Kopparapu Recent Venus for Star HD 86226 distance : 0.765 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 86226 distance : 0.968 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 86226 distance : 0.935 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 86226 distance : 1.025 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 86226 distance : 1.709 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 86226 distance : 1.802 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 86226)



  • Original Kopparapu Recent Venus for Star HD 86226 distance : 0.766 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 86226 distance : 0.995 AU
  • Original Kopparapu Moist Greenhouse for Star HD 86226 distance : 1.013 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 86226 distance : 1.739 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 86226 distance : 1.808 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 86226)



    (Position in Stellar Map of star HD 86226 and its Exoplanet HD 86226 b)



    (Zoomed position in Stellar Map of star HD 86226 and its Exoplanet HD 86226 b (zoom level 3))

    (Synthetic Spectrum of star HD 86226*)
    *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