Imaginary Picture of HD 37124 b

Display orbital revolution of HD 37124 b around the hoststar HD 37124
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Exoplanet Name : HD 37124 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.6750 (Mjup) 214.6081 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.5336 (AU) 0.5336 (AU Est.)
Eccentricity : 0.0540
Orbital Period(Yrs) 0.4227
Orbital Period(Observed/Estimated) 154.38 (Days Obs.) 156.29 (Days Est.)
Surface Gravity (G Earth) 2.0725
Star Radiation at Atmospheric Boundary: 2868.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 326.6 (K)
Blackbody T 0.3(K) 306.7 (K)
Blackbody T 0.7(K) 248.2 (K)
Tidally Locked Blackbody T 0.1(K) 388.4 (K)
Tidally Locked Blackbody T 0.3(K) 364.8 (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 37124
Alternate Name :
Star Distance(LY) : 109.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 3.3 (GY)
Temperature : 5610 (K)
Spectral type : G4 V
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : -0.4
Absolute Magnitude: 5.0
Apparent Magnitude: 7.7
Right Ascension(RA) 84.2604
Declination (DEC) 20.7306
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+37124+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2037124%20b/
HD 37124 b
HD 37124 b

  • HD 37124 b is an exoplanet orbiting the star HD 37124, located about 109.8 light-years (33.7 pc) away from Solar System. Its discovery was publicly announced on 1999.
  • The host star HD 37124 has apparent magnitude of 7.7, with absolute magnitude of 5.0.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5610 with its spectral types of G4 V
  • In this planetary system, the extrasolar planet HD 37124 b orbits around the star HD 37124 every 154.4 days with its orbital distance of 0.53 AU ( 79831407.7 km)
  • (Projected orbit of HD 37124 b around its host star HD 37124)


  • The Star HD 37124 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.559 AU ( 83636853.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.773 AU ( 115607988.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.178 AU ( 176160991.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.733 AU ( 259228615.4 km)
  • Radiation at Planetary Boundary of HD 37124 b : 2868.05 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 37124)



  • Kopparapu Recent Venus for Star HD 37124 distance : 0.585 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 37124 distance : 0.741 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 37124 distance : 0.716 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 37124 distance : 0.785 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 37124 distance : 1.315 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 37124 distance : 1.387 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 37124)



  • Original Kopparapu Recent Venus for Star HD 37124 distance : 0.584 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 37124 distance : 0.762 AU
  • Original Kopparapu Moist Greenhouse for Star HD 37124 distance : 0.773 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 37124 distance : 1.338 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 37124 distance : 1.391 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 37124)



    (Position in Stellar Map of star HD 37124 and its Exoplanet HD 37124 b)



    (Zoomed position in Stellar Map of star HD 37124 and its Exoplanet HD 37124 b (zoom level 3))

    (Synthetic Spectrum of star HD 37124*)
    *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