Imaginary Picture of HD 106270 b

Display orbital revolution of HD 106270 b around the hoststar HD 106270
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Exoplanet Name : HD 106270 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 11.0000 (Mjup) 3497.3180 (Mearth)
Semi Major Axis / Orbital Distance Calculated 4.3000 (AU) 4.3000 (AU Est.)
Eccentricity : 0.4020
Orbital Period(Yrs) 7.9122
Orbital Period(Observed/Estimated) 2890.00 (Days Obs.) 2834.69 (Days Est.)
Surface Gravity (G Earth) 33.7748
Star Radiation at Atmospheric Boundary: 418.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 201.9 (K)
Blackbody T 0.3(K) 189.6 (K)
Blackbody T 0.7(K) 153.4 (K)
Tidally Locked Blackbody T 0.1(K) 240.1 (K)
Tidally Locked Blackbody T 0.3(K) 225.5 (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 106270
Alternate Name :
Star Distance(LY) : 276.9
Stellar Radius(Rsun) : 2.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5638 (K)
Spectral type : G5
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.5
Metalicity : 0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 7.7
Right Ascension(RA) 183.4054
Declination (DEC) -9.5133
Hubble Space Telescope Guide Star Catalog (GSC) ID 05519-01520
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+106270+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20106270%20b/
HD 106270 b
HD 106270 b

  • HD 106270 b is an exoplanet orbiting the star HD 106270, located about 276.9 light-years (84.9 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 106270 has apparent magnitude of 7.7, with absolute magnitude of 3.1.
  • It is 1.3 times more massive and 2.5 times bigger compared with our Sun. The surface temperature is 5638 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 106270 b orbits around the star HD 106270 every 2890.0 days with its orbital distance of 4.30 AU ( 643270844.0 km)
  • (Projected orbit of HD 106270 b around its host star HD 106270)


  • The Star HD 106270 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.722 AU ( 257542118.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.380 AU ( 355990511.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.626 AU ( 542450759.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.336 AU ( 798240056.0 km)
  • Radiation at Planetary Boundary of HD 106270 b : 418.84 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 106270)



  • Kopparapu Recent Venus for Star HD 106270 distance : 1.799 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 106270 distance : 2.278 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 106270 distance : 2.201 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 106270 distance : 2.413 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106270 distance : 4.039 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 106270 distance : 4.260 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 106270)



  • Original Kopparapu Recent Venus for Star HD 106270 distance : 1.797 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 106270 distance : 2.342 AU
  • Original Kopparapu Moist Greenhouse for Star HD 106270 distance : 2.377 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 106270 distance : 4.110 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 106270 distance : 4.274 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 106270)



    (Position in Stellar Map of star HD 106270 and its Exoplanet HD 106270 b)



    (Zoomed position in Stellar Map of star HD 106270 and its Exoplanet HD 106270 b (zoom level 3))

    (Synthetic Spectrum of star HD 106270*)
    *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