Imaginary Picture of GJ 504 b
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Exoplanet Name : GJ 504 b
Alternate Name : 59 Vir b
Radius (Rjup / Re): 0.9600 (Rjup) 10.7606 (Rearth)
Mass (Mjup / Me): 4.0000 (Mjup) 1271.7520 (Mearth)
Semi Major Axis / Orbital Distance Calculated 43.5000 (AU) 43.5000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 94873.34 (Days Est.)
Star Radiation at Atmospheric Boundary: 1.3 (W/m2)
Measured Temperature (K) 544.0 (K)
Blackbody T 0.1(K) 47.6 (K)
Blackbody T 0.3(K) 44.7 (K)
Blackbody T 0.7(K) 36.2 (K)
Tidally Locked Blackbody T 0.1(K) 56.6 (K)
Tidally Locked Blackbody T 0.3(K) 53.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection : Spectrum
Radius Detection : Flux
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 504
Alternate Name : "e Virginis, HR 5011, 59 Virginis"
Star Distance(LY) : 57.3
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.2 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.2 (GY)
Temperature : 6234 (K)
Spectral type : GOV
Metalicity : 0.3
Absolute Magnitude: 4.0
Apparent Magnitude: 5.2
Right Ascension(RA) 199.1938
Declination (DEC) 9.4242
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GJ+504+&submit=SIMBAD+search
Open Exoplanet Database Link 0
GJ 504 b
GJ 504 b

  • GJ 504 b is an exoplanet orbiting the star GJ 504, located about 57.3 light-years (17.6 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star GJ 504 has apparent magnitude of 5.2, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6234 with its spectral types of GOV
  • (Projected orbit of GJ 504 b around its host star GJ 504)


  • The Star GJ 504 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.967 AU ( 144666352.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.337 AU ( 199966704.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.037 AU ( 304705005.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.997 AU ( 448386763.1 km)
  • Radiation at Planetary Boundary of GJ 504 b : 1.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 504)



  • Kopparapu Recent Venus for Star GJ 504 distance : 0.975 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 504 distance : 1.235 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 504 distance : 1.192 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 504 distance : 1.307 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 504 distance : 2.158 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 504 distance : 2.276 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 504)



  • Original Kopparapu Recent Venus for Star GJ 504 distance : 0.986 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 504 distance : 1.267 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 504 distance : 1.304 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 504 distance : 2.196 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 504 distance : 2.284 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 504)



    (Position in Stellar Map of star GJ 504 and its Exoplanet GJ 504 b)



    (Zoomed position in Stellar Map of star GJ 504 and its Exoplanet GJ 504 b (zoom level 3))