Imaginary Picture of HD 124330 b

Display orbital revolution of HD 124330 b around the hoststar HD 124330
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Exoplanet Name : HD 124330 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.7500 (Mjup) 238.4535 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.8600 (AU) 0.8600 (AU Est.)
Eccentricity : 0.3400
Orbital Period(Yrs) 0.7410
Orbital Period(Observed/Estimated) 270.66 (Days Obs.) 752.13 (Days Est.)
Surface Gravity (G Earth) 2.3028
Star Radiation at Atmospheric Boundary: 1478.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 276.8 (K)
Blackbody T 0.3(K) 259.9 (K)
Blackbody T 0.7(K) 210.3 (K)
Tidally Locked Blackbody T 0.1(K) 329.1 (K)
Tidally Locked Blackbody T 0.3(K) 309.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 124330
Alternate Name :
Star Distance(LY) : 196.7
Stellar Radius(Rsun) : 0.9 (Rsun Estimated)
Stellar Mass(Msun) : 0.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5700 (K)
Spectral type : G4IV
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 48.0
Metalicity : 0.0
Absolute Magnitude: 4.1
Apparent Magnitude: 8.0
Right Ascension(RA) 212.8208
Declination (DEC) 54.4092
Hubble Space Telescope Guide Star Catalog (GSC) ID 03852-00722
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+124330&submit=SIMBAD+search
Open Exoplanet Database Link
HD 124330 b
HD 124330 b

  • HD 124330 b is an exoplanet orbiting the star HD 124330, located about 196.7 light-years (60.3 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star HD 124330 has apparent magnitude of 8.0, with absolute magnitude of 4.1.
  • It is 0.1 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5700 with its spectral types of G4IV
  • In this planetary system, the extrasolar planet HD 124330 b orbits around the star HD 124330 every 270.7 days with its orbital distance of 0.86 AU ( 128654168.8 km)
  • (Projected orbit of HD 124330 b around its host star HD 124330)


  • The Star HD 124330 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.647 AU ( 96773886.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.894 AU ( 133766800.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.363 AU ( 203831001.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.005 AU ( 299946248.0 km)
  • Radiation at Planetary Boundary of HD 124330 b : 1478.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 124330)



  • Kopparapu Recent Venus for Star HD 124330 distance : 0.674 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 124330 distance : 0.853 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 124330 distance : 0.824 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 124330 distance : 0.903 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 124330 distance : 1.510 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 124330 distance : 1.592 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 124330)



  • Original Kopparapu Recent Venus for Star HD 124330 distance : 0.673 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 124330 distance : 0.877 AU
  • Original Kopparapu Moist Greenhouse for Star HD 124330 distance : 0.891 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 124330 distance : 1.536 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 124330 distance : 1.597 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 124330)



    (Position in Stellar Map of star HD 124330 and its Exoplanet HD 124330 b)



    (Zoomed position in Stellar Map of star HD 124330 and its Exoplanet HD 124330 b (zoom level 3))

    (Synthetic Spectrum of star HD 124330*)
    *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