Imaginary Picture of HD 155358 c

Display orbital revolution of HD 155358 c around the hoststar HD 155358
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Exoplanet Name : HD 155358 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.8200 (Mjup) 260.7092 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.0200 (AU) 1.0200 (AU Est.)
Eccentricity : 0.1600
Orbital Period(Yrs) 1.0729
Orbital Period(Observed/Estimated) 391.90 (Days Obs.) 392.28 (Days Est.)
Surface Gravity (G Earth) 2.5178
Star Radiation at Atmospheric Boundary: 1091.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 256.5 (K)
Blackbody T 0.3(K) 240.9 (K)
Blackbody T 0.7(K) 194.9 (K)
Tidally Locked Blackbody T 0.1(K) 305.0 (K)
Tidally Locked Blackbody T 0.3(K) 286.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 155358
Alternate Name :
Star Distance(LY) : 143.6
Stellar Radius(Rsun) : 0.9 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 10.7 (GY)
Temperature : 5900 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.5
Absolute Magnitude: 4.1
Apparent Magnitude: 7.3
Right Ascension(RA) 257.3958
Declination (DEC) 33.3558
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+155358+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20155358%20c/
HD 155358 c
HD 155358 c

  • HD 155358 c is an exoplanet orbiting the star HD 155358, located about 143.6 light-years (44.0 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HD 155358 has apparent magnitude of 7.3, with absolute magnitude of 4.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5900 with its spectral types of G0
  • In this planetary system, the extrasolar planet HD 155358 c orbits around the star HD 155358 every 391.9 days with its orbital distance of 1.02 AU ( 152589828.1 km)
  • (Projected orbit of HD 155358 c around its host star HD 155358)


  • The Star HD 155358 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.659 AU ( 98599942.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.911 AU ( 136290887.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.388 AU ( 207677151.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.043 AU ( 305606026.8 km)
  • Radiation at Planetary Boundary of HD 155358 c : 1091.04 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 155358)



  • Kopparapu Recent Venus for Star HD 155358 distance : 0.678 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 155358 distance : 0.859 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 155358 distance : 0.829 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 155358 distance : 0.909 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 155358 distance : 1.512 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 155358 distance : 1.594 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 155358)



  • Original Kopparapu Recent Venus for Star HD 155358 distance : 0.681 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 155358 distance : 0.882 AU
  • Original Kopparapu Moist Greenhouse for Star HD 155358 distance : 0.901 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 155358 distance : 1.538 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 155358 distance : 1.600 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 155358)



    (Position in Stellar Map of star HD 155358 and its Exoplanet HD 155358 c)



    (Zoomed position in Stellar Map of star HD 155358 and its Exoplanet HD 155358 c (zoom level 3))

    (Synthetic Spectrum of star HD 155358*)
    *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