Imaginary Picture of GJ 463 b

Display orbital revolution of GJ 463 b around the hoststar GJ 463
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Exoplanet Name : GJ 463 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.6000 (Mjup) 1144.5768 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.5300 (AU) 3.5300 (AU Est.)
Eccentricity : 0.0900
Orbital Period(Yrs) 9.4399
Orbital Period(Observed/Estimated) 3448.00 (Days Obs.) 3460.62 (Days Est.)
Surface Gravity (G Earth) 11.0536
Star Radiation at Atmospheric Boundary: 3.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 61.9 (K)
Blackbody T 0.3(K) 58.2 (K)
Blackbody T 0.7(K) 47.1 (K)
Tidally Locked Blackbody T 0.1(K) 73.7 (K)
Tidally Locked Blackbody T 0.3(K) 69.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Astrometry
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 463
Alternate Name :
Star Distance(LY) : 59.9
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3540 (K)
Spectral type : M3V
UV portion[%]: 0.3
Visible portion[%]: 15.4
IR portion[%]: 84.2
Metalicity : 0.0
Absolute Magnitude: 12.2
Apparent Magnitude: 13.5
Right Ascension(RA) 185.7500
Declination (DEC) 64.0308
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
GJ 463 b
GJ 463 b

  • GJ 463 b is an exoplanet orbiting the star GJ 463, located about 59.9 light-years (18.4 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star GJ 463 has apparent magnitude of 13.5, with absolute magnitude of 12.2.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3540 with its spectral types of M3V
  • In this planetary system, the extrasolar planet GJ 463 b orbits around the star GJ 463 every 3448.0 days with its orbital distance of 3.53 AU ( 528080483.6 km)
  • (Projected orbit of GJ 463 b around its host star GJ 463)


  • The Star GJ 463 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.133 AU ( 19900350.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.184 AU ( 27507484.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.280 AU ( 41915318.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.412 AU ( 61680227.9 km)
  • Radiation at Planetary Boundary of GJ 463 b : 3.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 463)



  • Kopparapu Recent Venus for Star GJ 463 distance : 0.150 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 463 distance : 0.190 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 463 distance : 0.184 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 463 distance : 0.202 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 463 distance : 0.369 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 463 distance : 0.389 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 463)



  • Original Kopparapu Recent Venus for Star GJ 463 distance : 0.149 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 463 distance : 0.197 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 463 distance : 0.197 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 463 distance : 0.375 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 463 distance : 0.390 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 463)



    (Position in Stellar Map of star GJ 463 and its Exoplanet GJ 463 b)



    (Zoomed position in Stellar Map of star GJ 463 and its Exoplanet GJ 463 b (zoom level 3))

    (Synthetic Spectrum of star GJ 463*)
    *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