Imaginary Picture of HD 153950 b

Display orbital revolution of HD 153950 b around the hoststar HD 153950
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Exoplanet Name : HD 153950 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.7300 (Mjup) 867.9707 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.2800 (AU) 1.2800 (AU Est.)
Eccentricity : 0.3400
Orbital Period(Yrs) 1.3672
Orbital Period(Observed/Estimated) 499.40 (Days Obs.) 499.80 (Days Est.)
Surface Gravity (G Earth) 8.3823
Star Radiation at Atmospheric Boundary: 1831.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 292.0 (K)
Blackbody T 0.3(K) 274.2 (K)
Blackbody T 0.7(K) 221.9 (K)
Tidally Locked Blackbody T 0.1(K) 347.2 (K)
Tidally Locked Blackbody T 0.3(K) 326.1 (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 153950
Alternate Name :
Star Distance(LY) : 156.7
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 6076 (K)
Spectral type : F8V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.0
Absolute Magnitude: 4.0
Apparent Magnitude: 7.4
Right Ascension(RA) 256.1286
Declination (DEC) -43.3097
Hubble Space Telescope Guide Star Catalog (GSC) ID 07881-00474
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+153950+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20152079%20b/
HD 153950 b
HD 153950 b

  • HD 153950 b is an exoplanet orbiting the star HD 153950, located about 156.7 light-years (48.0 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star HD 153950 has apparent magnitude of 7.4, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6076 with its spectral types of F8V
  • In this planetary system, the extrasolar planet HD 153950 b orbits around the star HD 153950 every 499.4 days with its orbital distance of 1.28 AU ( 191485274.5 km)
  • (Projected orbit of HD 153950 b around its host star HD 153950)


  • The Star HD 153950 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.072 AU ( 160323963.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.481 AU ( 221609615.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.257 AU ( 337684011.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.322 AU ( 496916816.3 km)
  • Radiation at Planetary Boundary of HD 153950 b : 1831.75 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 153950)



  • Kopparapu Recent Venus for Star HD 153950 distance : 1.091 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 153950 distance : 1.381 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 153950 distance : 1.334 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 153950 distance : 1.462 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 153950 distance : 2.422 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 153950 distance : 2.554 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 153950)



  • Original Kopparapu Recent Venus for Star HD 153950 distance : 1.099 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 153950 distance : 1.418 AU
  • Original Kopparapu Moist Greenhouse for Star HD 153950 distance : 1.454 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 153950 distance : 2.465 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 153950 distance : 2.564 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 153950)



    (Position in Stellar Map of star HD 153950 and its Exoplanet HD 153950 b)



    (Zoomed position in Stellar Map of star HD 153950 and its Exoplanet HD 153950 b (zoom level 3))

    (Synthetic Spectrum of star HD 153950*)
    *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