GJ 422
Imaginary Picture of Star GJ 422
Star Name : GJ 422
Alternate Name : HIP 55042
Star Distance (LY/pc): 41.7453 (LY) 12.7992 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3588 (Rsun, estimated)
Stellar Mass (Msun): 0.3500 (Msun/observed) 0.3500 (Msun/estimated)
Spectral type : M3.5V
Metalicity : 0.0000
Absolute Magnitude : 10.98
Apparent Magnitude : 11.52
Right Ascension(RA) : 169.00086
Declination(DEC) : -56.45233
  • This is the GJ 422 . The star GJ 422 islocated about 41.7 light-years (12.8 pc) away from our Solar System.
  • The star GJ 422 has apparent magnitude of 11.5, with absolute magnitude of 11.0.
  • It is 0.3 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3323 with its spectral types of M3.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 422 b radius 0.198540 mass 0.032850 orbital distance 0.111000
    (Illustration of the GJ 422's Planetary System)



    The Star GJ 422 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.086 AU ( 12838618.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.119 AU ( 17746326.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.181 AU ( 27041473.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.266 AU ( 39792712.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 422)



    Kopparapu's Recent Venus for Star GJ 422 distance : 0.135 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 422 distance : 0.170 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 422 distance : 0.164 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 422 distance : 0.180 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 422 distance : 0.334 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 422 distance : 0.353 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 422)



  • Original Kopparapu Recent Venus for Star GJ 422 distance : 0.134 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 422 distance : 0.176 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 422 distance : 0.177 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 422 distance : 0.340 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 422 distance : 0.353 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 422)



    (Position in Stellar Map of star GJ 422 )



    (Zoomed position in Stellar Map of star GJ 422 (zoom level 3))