Imaginary Picture of HD 95544 b

Display orbital revolution of HD 95544 b around the hoststar HD 95544
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Exoplanet Name : HD 95544 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 6.8400 (Mjup) 2174.6959 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.3860 (AU) 3.3860 (AU Est.)
Eccentricity : 0.0430
Orbital Period(Yrs) 5.9464
Orbital Period(Observed/Estimated) 2172.00 (Days Obs.) 2179.75 (Days Est.)
Surface Gravity (G Earth) 21.0018
Star Radiation at Atmospheric Boundary: 135.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 152.3 (K)
Blackbody T 0.3(K) 143.1 (K)
Blackbody T 0.7(K) 115.8 (K)
Tidally Locked Blackbody T 0.1(K) 181.2 (K)
Tidally Locked Blackbody T 0.3(K) 170.1 (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 95544
Alternate Name :
Star Distance(LY) : 287.1
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5722 (K)
Spectral type : G3V
UV portion[%]: 7.7
Visible portion[%]: 44.5
IR portion[%]: 47.8
Metalicity : 0.1
Absolute Magnitude: 3.7
Apparent Magnitude: 8.4
Right Ascension(RA) 166.3250
Declination (DEC) 81.0389
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+95544&submit=SIMBAD+search
Open Exoplanet Database Link
HD 95544 b
HD 95544 b

  • HD 95544 b is an exoplanet orbiting the star HD 95544, located about 287.1 light-years (88.0 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star HD 95544 has apparent magnitude of 8.4, with absolute magnitude of 3.7.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5722 with its spectral types of G3V
  • In this planetary system, the extrasolar planet HD 95544 b orbits around the star HD 95544 every 2172.0 days with its orbital distance of 3.39 AU ( 506538390.2 km)
  • (Projected orbit of HD 95544 b around its host star HD 95544)


  • The Star HD 95544 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.772 AU ( 115447016.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.067 AU ( 159577947.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.625 AU ( 243161476.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.392 AU ( 357822765.3 km)
  • Radiation at Planetary Boundary of HD 95544 b : 135.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 95544)



  • Kopparapu Recent Venus for Star HD 95544 distance : 0.803 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 95544 distance : 1.016 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 95544 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 95544 distance : 1.076 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 95544 distance : 1.797 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 95544 distance : 1.896 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 95544)



  • Original Kopparapu Recent Venus for Star HD 95544 distance : 0.803 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 95544 distance : 1.045 AU
  • Original Kopparapu Moist Greenhouse for Star HD 95544 distance : 1.062 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 95544 distance : 1.829 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 95544 distance : 1.902 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 95544)



    (Position in Stellar Map of star HD 95544 and its Exoplanet HD 95544 b)



    (Zoomed position in Stellar Map of star HD 95544 and its Exoplanet HD 95544 b (zoom level 3))

    (Synthetic Spectrum of star HD 95544*)
    *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