Imaginary Picture of HD 88133 b

Display orbital revolution of HD 88133 b around the hoststar HD 88133
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Exoplanet Name : HD 88133 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0000 (Rjup) 11.2090 (Rearth)
Mass (Mjup / Me): 0.3000 (Mjup) 95.3814 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0470 (AU) 0.0470 (AU Est.)
Eccentricity : 0.0761
Orbital Period(Yrs) 0.0094
Orbital Period(Observed/Estimated) 3.42 (Days Obs.) 3.40 (Days Est.)
Surface Gravity (G Earth) 0.7592
Star Radiation at Atmospheric Boundary: 1883988.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1653.5 (K)
Blackbody T 0.3(K) 1552.8 (K)
Blackbody T 0.7(K) 1256.4 (K)
Tidally Locked Blackbody T 0.1(K) 1966.4 (K)
Tidally Locked Blackbody T 0.3(K) 1846.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 88133
Alternate Name :
Star Distance(LY) : 241.4
Stellar Radius(Rsun) : 1.9 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 9.6 (GY)
Temperature : 5494 (K)
Spectral type : G5 IV
UV portion[%]: 6.8
Visible portion[%]: 43.2
IR portion[%]: 50.0
Metalicity : 0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 8.0
Right Ascension(RA) 152.5320
Declination (DEC) 18.1867
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+88133+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2088133%20b/
HD 88133 b
HD 88133 b

  • HD 88133 b is an exoplanet orbiting the star HD 88133, located about 241.4 light-years (74.0 pc) away from Solar System. Its discovery was publicly announced on 2004.
  • The host star HD 88133 has apparent magnitude of 8.0, with absolute magnitude of 3.7.
  • It is 1.2 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 5494 with its spectral types of G5 IV
  • In this planetary system, the extrasolar planet HD 88133 b orbits around the star HD 88133 every 3.4 days with its orbital distance of 0.05 AU ( 7031099.9 km)
  • (Projected orbit of HD 88133 b around its host star HD 88133)


  • The Star HD 88133 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.262 AU ( 188795975.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.744 AU ( 260965376.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.658 AU ( 397653481.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.912 AU ( 585164518.1 km)
  • Radiation at Planetary Boundary of HD 88133 b : 1883988.87 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 88133)



  • Kopparapu Recent Venus for Star HD 88133 distance : 1.330 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 88133 distance : 1.684 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 88133 distance : 1.627 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 88133 distance : 1.784 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 88133 distance : 2.999 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 88133 distance : 3.163 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 88133)



  • Original Kopparapu Recent Venus for Star HD 88133 distance : 1.325 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 88133 distance : 1.732 AU
  • Original Kopparapu Moist Greenhouse for Star HD 88133 distance : 1.753 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 88133 distance : 3.051 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 88133 distance : 3.173 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 88133)



    (Position in Stellar Map of star HD 88133 and its Exoplanet HD 88133 b)



    (Zoomed position in Stellar Map of star HD 88133 and its Exoplanet HD 88133 b (zoom level 3))

    (Synthetic Spectrum of star HD 88133*)
    *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