Imaginary Picture of GJ 667 C b
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Exoplanet Name : GJ 667 C b
Alternate Name :
Radius (Rjup / Re): 0.1403 (Rjup) 1.5728 (Rearth)
Mass (Mjup / Me): 0.0176 (Mjup) 5.5957 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0505 (AU) 0.0505 (AU Est.)
Eccentricity : 0.1300
Orbital Period(Yrs) 0.0197
Orbital Period(Observed/Estimated) 7.20 (Days Obs.) 7.22 (Days Est.)
Star Radiation at Atmospheric Boundary: 9468.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 440.3 (K)
Blackbody T 0.3(K) 413.5 (K)
Blackbody T 0.7(K) 334.5 (K)
Tidally Locked Blackbody T 0.1(K) 523.6 (K)
Tidally Locked Blackbody T 0.3(K) 491.7 (K)
Size Class: super-Earth-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 : GJ 667 C
Alternate Name :
Star Distance(LY) : 22.3
Stellar Radius(Rsun) : 0.3 (Rsun Estimated)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.3 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 3600 (K)
Spectral type : M1.5V
Metalicity : -0.6
Absolute Magnitude: 11.0
Apparent Magnitude: 10.2
Right Ascension(RA) 259.7452
Declination (DEC) -34.9897
Hubble Space Telescope Guide Star Catalog (GSC) ID 07370-00241
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+667+C+&submit=SIMBAD+search
Open Exoplanet Database Link 0
GJ 667 C b
GJ 667 C b

  • GJ 667 C b is an exoplanet orbiting the star GJ 667 C, located about 22.3 light-years ( 6.8 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star GJ 667 C has apparent magnitude of 10.2, with absolute magnitude of 11.0.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3600 with its spectral types of M1.5V
  • In this planetary system, the extrasolar planet GJ 667 C b orbits around the star GJ 667 C every 7.2 days with its orbital distance of 0.05 AU ( 7554692.5 km)
  • (Projected orbit of GJ 667 C b around its host star GJ 667 C)


  • The Star GJ 667 C 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.096 AU ( 14381114.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.133 AU ( 19878458.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.202 AU ( 30290371.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.298 AU ( 44573608.7 km)
  • Radiation at Planetary Boundary of GJ 667 C b : 9468.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 667 C)



  • Kopparapu Recent Venus for Star GJ 667 C distance : 0.108 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 667 C distance : 0.137 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 667 C distance : 0.133 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 667 C distance : 0.146 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 667 C distance : 0.266 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 667 C distance : 0.280 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 667 C)



  • Original Kopparapu Recent Venus for Star GJ 667 C distance : 0.107 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 667 C distance : 0.142 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 667 C distance : 0.142 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 667 C distance : 0.270 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 667 C distance : 0.281 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 667 C)



    (Position in Stellar Map of star GJ 667 C and its Exoplanet GJ 667 C b)



    (Zoomed position in Stellar Map of star GJ 667 C and its Exoplanet GJ 667 C b (zoom level 3))