Imaginary Picture of HD 165155 b

Display orbital revolution of HD 165155 b around the hoststar HD 165155
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Exoplanet Name : HD 165155 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.8900 (Mjup) 918.8408 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.1300 (AU) 1.1300 (AU Est.)
Eccentricity : 0.2000
Orbital Period(Yrs) 1.1896
Orbital Period(Observed/Estimated) 434.50 (Days Obs.) 434.42 (Days Est.)
Surface Gravity (G Earth) 8.8736
Star Radiation at Atmospheric Boundary: 751.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 233.7 (K)
Blackbody T 0.3(K) 219.4 (K)
Blackbody T 0.7(K) 177.5 (K)
Tidally Locked Blackbody T 0.1(K) 277.9 (K)
Tidally Locked Blackbody T 0.3(K) 261.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 165155
Alternate Name :
Star Distance(LY) : 203.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 11.0 (GY)
Temperature : 5426 (K)
Spectral type : G8V
UV portion[%]: 6.5
Visible portion[%]: 42.6
IR portion[%]: 50.8
Metalicity : 0.1
Absolute Magnitude: 5.4
Apparent Magnitude: 9.4
Right Ascension(RA) 271.4890
Declination (DEC) -29.9172
Hubble Space Telescope Guide Star Catalog (GSC) ID 06854-03893
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+165155+&submit=SIMBAD+search
Open Exoplanet Database Link 0
HD 165155 b
HD 165155 b

  • HD 165155 b is an exoplanet orbiting the star HD 165155, located about 203.5 light-years (62.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HD 165155 has apparent magnitude of 9.4, with absolute magnitude of 5.4.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5426 with its spectral types of G8V
  • In this planetary system, the extrasolar planet HD 165155 b orbits around the star HD 165155 every 434.5 days with its orbital distance of 1.13 AU ( 169045593.9 km)
  • (Projected orbit of HD 165155 b around its host star HD 165155)


  • The Star HD 165155 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.606 AU ( 90644466.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.838 AU ( 125294340.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.276 AU ( 190920847.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.878 AU ( 280948391.1 km)
  • Radiation at Planetary Boundary of HD 165155 b : 751.30 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 165155)



  • Kopparapu Recent Venus for Star HD 165155 distance : 0.641 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 165155 distance : 0.812 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 165155 distance : 0.784 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 165155 distance : 0.860 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 165155 distance : 1.449 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 165155 distance : 1.528 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 165155)



  • Original Kopparapu Recent Venus for Star HD 165155 distance : 0.638 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 165155 distance : 0.835 AU
  • Original Kopparapu Moist Greenhouse for Star HD 165155 distance : 0.844 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 165155 distance : 1.473 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 165155 distance : 1.532 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 165155)



    (Position in Stellar Map of star HD 165155 and its Exoplanet HD 165155 b)



    (Zoomed position in Stellar Map of star HD 165155 and its Exoplanet HD 165155 b (zoom level 3))

    (Synthetic Spectrum of star HD 165155*)
    *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