Imaginary Picture of HD 101930 b

Display orbital revolution of HD 101930 b around the hoststar HD 101930
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Exoplanet Name : HD 101930 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.3000 (Mjup) 95.3814 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3020 (AU) 0.3020 (AU Est.)
Eccentricity : 0.1100
Orbital Period(Yrs) 0.1929
Orbital Period(Observed/Estimated) 70.46 (Days Obs.) 70.47 (Days Est.)
Surface Gravity (G Earth) 0.9211
Star Radiation at Atmospheric Boundary: 3645.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 346.8 (K)
Blackbody T 0.3(K) 325.7 (K)
Blackbody T 0.7(K) 263.5 (K)
Tidally Locked Blackbody T 0.1(K) 412.4 (K)
Tidally Locked Blackbody T 0.3(K) 387.3 (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 101930
Alternate Name :
Star Distance(LY) : 97.3
Stellar Radius(Rsun) : 0.6 (Rsun Estimated)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 5.4 (GY)
Temperature : 5079 (K)
Spectral type : K1 V
UV portion[%]: 3.8
Visible portion[%]: 38.1
IR portion[%]: 58.1
Metalicity : 0.2
Absolute Magnitude: 5.8
Apparent Magnitude: 8.2
Right Ascension(RA) 175.8755
Declination (DEC) -58.0067
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+101930+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20101930%20b/
HD 101930 b
HD 101930 b

  • HD 101930 b is an exoplanet orbiting the star HD 101930, located about 97.3 light-years (29.8 pc) away from Solar System. Its discovery was publicly announced on 2005.
  • The host star HD 101930 has apparent magnitude of 8.2, with absolute magnitude of 5.8.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 5079 with its spectral types of K1 V
  • In this planetary system, the extrasolar planet HD 101930 b orbits around the star HD 101930 every 70.5 days with its orbital distance of 0.30 AU ( 45178557.0 km)
  • (Projected orbit of HD 101930 b around its host star HD 101930)


  • The Star HD 101930 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.357 AU ( 53359443.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.493 AU ( 73756695.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.751 AU ( 112388881.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.106 AU ( 165385162.5 km)
  • Radiation at Planetary Boundary of HD 101930 b : 3645.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 101930)



  • Kopparapu Recent Venus for Star HD 101930 distance : 0.384 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 101930 distance : 0.487 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 101930 distance : 0.470 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 101930 distance : 0.516 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 101930 distance : 0.879 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 101930 distance : 0.928 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 101930)



  • Original Kopparapu Recent Venus for Star HD 101930 distance : 0.381 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 101930 distance : 0.501 AU
  • Original Kopparapu Moist Greenhouse for Star HD 101930 distance : 0.504 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 101930 distance : 0.894 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 101930 distance : 0.930 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 101930)



    (Position in Stellar Map of star HD 101930 and its Exoplanet HD 101930 b)



    (Zoomed position in Stellar Map of star HD 101930 and its Exoplanet HD 101930 b (zoom level 3))

    (Synthetic Spectrum of star HD 101930*)
    *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