Imaginary Picture of HD 154345 b

Display orbital revolution of HD 154345 b around the hoststar HD 154345
/
Exoplanet Name : HD 154345 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.3000 (Mjup) 413.3194 (Mearth)
Semi Major Axis / Orbital Distance Calculated 4.3000 (AU) 4.3000 (AU Est.)
Eccentricity : 0.2600
Orbital Period(Yrs) 9.6863
Orbital Period(Observed/Estimated) 3538.00 (Days Obs.) 3471.78 (Days Est.)
Surface Gravity (G Earth) 3.9916
Star Radiation at Atmospheric Boundary: 39.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 111.5 (K)
Blackbody T 0.3(K) 104.7 (K)
Blackbody T 0.7(K) 84.7 (K)
Tidally Locked Blackbody T 0.1(K) 132.6 (K)
Tidally Locked Blackbody T 0.3(K) 124.6 (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 154345
Alternate Name :
Star Distance(LY) : 59.6
Stellar Radius(Rsun) : 0.8 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.9 (GY)
Temperature : 5468 (K)
Spectral type : G8V
UV portion[%]: 6.7
Visible portion[%]: 43.0
IR portion[%]: 50.3
Metalicity : -0.1
Absolute Magnitude: 5.4
Apparent Magnitude: 6.7
Right Ascension(RA) 255.6517
Declination (DEC) 47.0819
Hubble Space Telescope Guide Star Catalog (GSC) ID
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+154345+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20154345%20b/
HD 154345 b
HD 154345 b

  • HD 154345 b is an exoplanet orbiting the star HD 154345, located about 59.6 light-years (18.3 pc) away from Solar System. Its discovery was publicly announced on 2006.
  • The host star HD 154345 has apparent magnitude of 6.7, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5468 with its spectral types of G8V
  • In this planetary system, the extrasolar planet HD 154345 b orbits around the star HD 154345 every 3538.0 days with its orbital distance of 4.30 AU ( 643270844.0 km)
  • (Projected orbit of HD 154345 b around its host star HD 154345)


  • The Star HD 154345 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.525 AU ( 78585239.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.726 AU ( 108625337.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.106 AU ( 165520975.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.628 AU ( 243571366.1 km)
  • Radiation at Planetary Boundary of HD 154345 b : 39.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 154345)



  • Kopparapu Recent Venus for Star HD 154345 distance : 0.554 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 154345 distance : 0.702 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 154345 distance : 0.678 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 154345 distance : 0.744 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 154345 distance : 1.251 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 154345 distance : 1.320 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 154345)



  • Original Kopparapu Recent Venus for Star HD 154345 distance : 0.552 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 154345 distance : 0.722 AU
  • Original Kopparapu Moist Greenhouse for Star HD 154345 distance : 0.730 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 154345 distance : 1.273 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 154345 distance : 1.324 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 154345)



    (Position in Stellar Map of star HD 154345 and its Exoplanet HD 154345 b)



    (Zoomed position in Stellar Map of star HD 154345 and its Exoplanet HD 154345 b (zoom level 3))

    (Synthetic Spectrum of star HD 154345*)
    *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