Imaginary Picture of HD 13724 b
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Exoplanet Name : HD 13724 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 50.5000 (Mjup) 16055.8690 (Mearth)
Semi Major Axis / Orbital Distance Calculated 26.3000 (AU) 26.3000 (AU Est.)
Eccentricity : 0.6300
Orbital Period(Yrs) 122.9973
Orbital Period(Observed/Estimated) 44926.00 (Days Obs.) 46139.34 (Days Est.)
Star Radiation at Atmospheric Boundary: 2.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 55.6 (K)
Blackbody T 0.3(K) 52.2 (K)
Blackbody T 0.7(K) 42.2 (K)
Tidally Locked Blackbody T 0.1(K) 66.1 (K)
Tidally Locked Blackbody T 0.3(K) 62.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 13724
Alternate Name :
Star Distance(LY) : 141.9
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 5868 (K)
Spectral type : G3/5V
Metalicity : 0.2
Absolute Magnitude: 4.7
Apparent Magnitude: 7.9
Right Ascension(RA) 33.0862
Declination (DEC) -46.8164
Hubble Space Telescope Guide Star Catalog (GSC) ID 08042-00090
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+13724+&submit=SIMBAD+search
Open Exoplanet Database Link
HD 13724 b
HD 13724 b

  • HD 13724 b is an exoplanet orbiting the star HD 13724, located about 141.9 light-years (43.5 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star HD 13724 has apparent magnitude of 7.9, with absolute magnitude of 4.7.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5868 with its spectral types of G3/5V
  • In this planetary system, the extrasolar planet HD 13724 b orbits around the star HD 13724 every 44926.0 days with its orbital distance of 26.30 AU ( 3934423999.4 km)
  • (Projected orbit of HD 13724 b around its host star HD 13724)


  • The Star HD 13724 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.798 AU ( 119404886.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.103 AU ( 165048757.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.681 AU ( 251497781.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.474 AU ( 370090002.5 km)
  • Radiation at Planetary Boundary of HD 13724 b : 2.41 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 13724)



  • Kopparapu Recent Venus for Star HD 13724 distance : 0.823 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 13724 distance : 1.042 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 13724 distance : 1.006 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 13724 distance : 1.103 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 13724 distance : 1.836 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 13724 distance : 1.936 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 13724)



  • Original Kopparapu Recent Venus for Star HD 13724 distance : 0.825 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 13724 distance : 1.070 AU
  • Original Kopparapu Moist Greenhouse for Star HD 13724 distance : 1.092 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 13724 distance : 1.868 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 13724 distance : 1.943 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 13724)



    (Position in Stellar Map of star HD 13724 and its Exoplanet HD 13724 b)



    (Zoomed position in Stellar Map of star HD 13724 and its Exoplanet HD 13724 b (zoom level 3))