Imaginary Picture of HD 66141 b

Display orbital revolution of HD 66141 b around the hoststar HD 66141
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Exoplanet Name : HD 66141 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 6.0000 (Mjup) 1907.6280 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.2000 (AU) 1.2000 (AU Est.)
Eccentricity : 0.0700
Orbital Period(Yrs) 1.3155
Orbital Period(Observed/Estimated) 480.50 (Days Obs.) 457.79 (Days Est.)
Surface Gravity (G Earth) 18.4226
Star Radiation at Atmospheric Boundary: 133956.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 853.9 (K)
Blackbody T 0.3(K) 801.9 (K)
Blackbody T 0.7(K) 648.8 (K)
Tidally Locked Blackbody T 0.1(K) 1015.4 (K)
Tidally Locked Blackbody T 0.3(K) 953.6 (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 66141
Alternate Name :
Star Distance(LY) : 254.0
Stellar Radius(Rsun) : 21.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.8 (GY)
Temperature : 4305 (K)
Spectral type : K2III
UV portion[%]: 0.9
Visible portion[%]: 27.5
IR portion[%]: 71.6
Metalicity : -0.3
Absolute Magnitude: -0.1
Apparent Magnitude: 4.4
Right Ascension(RA) 120.5664
Declination (DEC) 2.3344
Hubble Space Telescope Guide Star Catalog (GSC) ID 00198-02137
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+66141+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2066141%20b/
HD 66141 b
HD 66141 b

  • HD 66141 b is an exoplanet orbiting the star HD 66141, located about 254.0 light-years (77.9 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HD 66141 has apparent magnitude of 4.4, with absolute magnitude of -0.1.
  • It is 1.1 times more massive and 21.4 times bigger compared with our Sun. The surface temperature is 4305 with its spectral types of K2III
  • In this planetary system, the extrasolar planet HD 66141 b orbits around the star HD 66141 every 480.5 days with its orbital distance of 1.20 AU ( 179517444.8 km)
  • (Projected orbit of HD 66141 b around its host star HD 66141)


  • The Star HD 66141 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 8.592 AU ( 1285340515.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 11.876 AU ( 1776676492.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 18.097 AU ( 2707261797.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 26.630 AU ( 3983854332.0 km)
  • Radiation at Planetary Boundary of HD 66141 b : 133956.10 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 66141)



  • Kopparapu Recent Venus for Star HD 66141 distance : 9.550 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 66141 distance : 12.089 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 66141 distance : 11.676 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 66141 distance : 12.827 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 66141 distance : 22.600 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 66141 distance : 23.840 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 66141)



  • Original Kopparapu Recent Venus for Star HD 66141 distance : 9.423 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 66141 distance : 12.488 AU
  • Original Kopparapu Moist Greenhouse for Star HD 66141 distance : 12.468 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 66141 distance : 22.965 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 66141 distance : 23.883 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 66141)



    (Position in Stellar Map of star HD 66141 and its Exoplanet HD 66141 b)



    (Zoomed position in Stellar Map of star HD 66141 and its Exoplanet HD 66141 b (zoom level 3))

    (Synthetic Spectrum of star HD 66141*)
    *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