Imaginary Picture of HD 36384 b

Display orbital revolution of HD 36384 b around the hoststar HD 36384
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Exoplanet Name : HD 36384 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 6.6000 (Mjup) 2098.3908 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.3000 (AU) 1.3000 (AU Est.)
Eccentricity : 0.2000
Orbital Period(Yrs) 1.3415
Orbital Period(Observed/Estimated) 490.00 (Days Obs.) 507.05 (Days Est.)
Surface Gravity (G Earth) 20.2649
Star Radiation at Atmospheric Boundary: 257849.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1005.7 (K)
Blackbody T 0.3(K) 944.5 (K)
Blackbody T 0.7(K) 764.2 (K)
Tidally Locked Blackbody T 0.1(K) 1196.0 (K)
Tidally Locked Blackbody T 0.3(K) 1123.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 36384
Alternate Name :
Star Distance(LY) : 639.3
Stellar Radius(Rsun) : 38.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.1 (GY)
Temperature : 3940 (K)
Spectral type : M0III
UV portion[%]: 0.6
Visible portion[%]: 22.7
IR portion[%]: 76.7
Metalicity : -0.2
Absolute Magnitude: -0.3
Apparent Magnitude: 6.2
Right Ascension(RA) 84.9333
Declination (DEC) 75.0439
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HD 36384 b
HD 36384 b

  • HD 36384 b is an exoplanet orbiting the star HD 36384, located about 639.3 light-years (196.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star HD 36384 has apparent magnitude of 6.2, with absolute magnitude of -0.3.
  • It is 1.1 times more massive and 38.4 times bigger compared with our Sun. The surface temperature is 3940 with its spectral types of M0III
  • In this planetary system, the extrasolar planet HD 36384 b orbits around the star HD 36384 every 490.0 days with its orbital distance of 1.30 AU ( 194477231.9 km)
  • (Projected orbit of HD 36384 b around its host star HD 36384)


  • The Star HD 36384 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 12.914 AU ( 1931887268.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 17.850 AU ( 2670373068.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 27.200 AU ( 4069057603.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 40.026 AU ( 5987796517.2 km)
  • Radiation at Planetary Boundary of HD 36384 b : 257848.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 36384)



  • Kopparapu Recent Venus for Star HD 36384 distance : 14.486 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 36384 distance : 18.334 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 36384 distance : 17.707 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 36384 distance : 19.466 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 36384 distance : 34.899 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 36384 distance : 36.817 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 36384)



  • Original Kopparapu Recent Venus for Star HD 36384 distance : 14.315 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 36384 distance : 18.962 AU
  • Original Kopparapu Moist Greenhouse for Star HD 36384 distance : 18.941 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 36384 distance : 35.457 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 36384 distance : 36.874 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 36384)



    (Position in Stellar Map of star HD 36384 and its Exoplanet HD 36384 b)



    (Zoomed position in Stellar Map of star HD 36384 and its Exoplanet HD 36384 b (zoom level 3))

    (Synthetic Spectrum of star HD 36384*)
    *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