Imaginary Picture of HD 175541 b

Display orbital revolution of HD 175541 b around the hoststar HD 175541
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Exoplanet Name : HD 175541 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.6100 (Mjup) 193.9422 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.0300 (AU) 1.0300 (AU Est.)
Eccentricity : 0.3300
Orbital Period(Yrs) 0.8139
Orbital Period(Observed/Estimated) 297.30 (Days Obs.) 297.24 (Days Est.)
Surface Gravity (G Earth) 1.8730
Star Radiation at Atmospheric Boundary: 11231.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 459.5 (K)
Blackbody T 0.3(K) 431.5 (K)
Blackbody T 0.7(K) 349.1 (K)
Tidally Locked Blackbody T 0.1(K) 546.4 (K)
Tidally Locked Blackbody T 0.3(K) 513.1 (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 175541
Alternate Name :
Star Distance(LY) : 443.7
Stellar Radius(Rsun) : 3.9 (Rsun Measured)
Stellar Mass(Msun) : 1.6 (Msun Measured) 1.6 (Msun Estimated)
Star Age : 1.9 (GY)
Temperature : 5060 (K)
Spectral type : G8IV
UV portion[%]: 3.6
Visible portion[%]: 37.8
IR portion[%]: 58.5
Metalicity : -0.1
Absolute Magnitude: 2.4
Apparent Magnitude: 8.0
Right Ascension(RA) 283.9204
Declination (DEC) 4.2653
Hubble Space Telescope Guide Star Catalog (GSC) ID 00457-00495
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-id?Ident=HD%20175541
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20175541%20b/
HD 175541 b
HD 175541 b

  • HD 175541 b is an exoplanet orbiting the star HD 175541, located about 443.7 light-years (136.1 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HD 175541 has apparent magnitude of 8.0, with absolute magnitude of 2.4.
  • It is 1.6 times more massive and 3.9 times bigger compared with our Sun. The surface temperature is 5060 with its spectral types of G8IV
  • In this planetary system, the extrasolar planet HD 175541 b orbits around the star HD 175541 every 297.3 days with its orbital distance of 1.03 AU ( 154085806.8 km)
  • (Projected orbit of HD 175541 b around its host star HD 175541)


  • The Star HD 175541 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.135 AU ( 319462492.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.952 AU ( 441580650.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.498 AU ( 672871189.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.619 AU ( 990159431.3 km)
  • Radiation at Planetary Boundary of HD 175541 b : 11231.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 175541)



  • Kopparapu Recent Venus for Star HD 175541 distance : 2.303 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 175541 distance : 2.916 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 175541 distance : 2.817 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 175541 distance : 3.091 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 175541 distance : 5.273 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 175541 distance : 5.562 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 175541)



  • Original Kopparapu Recent Venus for Star HD 175541 distance : 2.281 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 175541 distance : 3.005 AU
  • Original Kopparapu Moist Greenhouse for Star HD 175541 distance : 3.018 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 175541 distance : 5.362 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 175541 distance : 5.576 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 175541)



    (Position in Stellar Map of star HD 175541 and its Exoplanet HD 175541 b)



    (Zoomed position in Stellar Map of star HD 175541 and its Exoplanet HD 175541 b (zoom level 3))

    (Synthetic Spectrum of star HD 175541*)
    *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