GJ 357
Imaginary Picture of Star GJ 357
Star Name : GJ 357
Alternate Name : "TOI 562, Gliese 357, L 678-39"
Star Distance (LY/pc): 30.8034 (LY) 9.4444 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3370 (Rsun, estimated)
Stellar Mass (Msun): 0.3420 (Msun/observed) 0.3420 (Msun/estimated)
Spectral type : M2.5 V
Metalicity : -0.1200
Absolute Magnitude : 22.12
Apparent Magnitude : 22.00
Right Ascension(RA) : 144.00682
Declination(DEC) : -21.66080
  • This is the GJ 357 . The star GJ 357 islocated about 30.8 light-years ( 9.4 pc) away from our Solar System.
  • The star GJ 357 has apparent magnitude of 22.0, with absolute magnitude of 22.1.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3505 with its spectral types of M2.5 V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet GJ 357 b radius 0.104110 mass 0.006566 orbital distance 0.033000
  • Name of the 2 Planet GJ 357 c radius 0.126070 mass 0.011580 orbital distance 0.060700
  • Name of the 3 Planet GJ 357 d radius 0.149659 mass 0.022700 orbital distance 0.204000
    (Illustration of the GJ 357's Planetary System)



    The Star GJ 357 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.090 AU ( 13417266.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.124 AU ( 18546169.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.189 AU ( 28260257.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.278 AU ( 41586207.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 357)



    Kopparapu's Recent Venus for Star GJ 357 distance : 0.101 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 357 distance : 0.128 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 357 distance : 0.124 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 357 distance : 0.135 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 357 distance : 0.249 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 357 distance : 0.263 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 357)



  • Original Kopparapu Recent Venus for Star GJ 357 distance : 0.100 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 357 distance : 0.133 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 357 distance : 0.133 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 357 distance : 0.253 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 357 distance : 0.264 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 357)



    (Position in Stellar Map of star GJ 357 )



    (Zoomed position in Stellar Map of star GJ 357 (zoom level 3))