GJ 9404

Display orbital revolution around the star GJ 9404
Imaginary Picture of Star GJ 9404
Star Name : GJ 9404
Alternate Name :
Star Distance (LY/pc): 77.8404 (LY) 23.8660 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5544 (Rsun, estimated)
Stellar Mass (Msun): 0.6200 (Msun/observed) 0.6200 (Msun/estimated)
Spectral type : M0.5V
Metalicity : -0.1300
Absolute Magnitude : 20.11
Apparent Magnitude : 22.00
Right Ascension(RA) : 184.85000
Declination(DEC) : 28.38250
  • This is the GJ 9404 . The star GJ 9404 islocated about 77.8 light-years (23.9 pc) away from our Solar System.
  • The star GJ 9404 has apparent magnitude of 22.0, with absolute magnitude of 20.1.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 1432 with its spectral types of M0.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 9404 b radius 0.204553 mass 0.037400 orbital distance 0.094300
    (Illustration of the GJ 9404's Planetary System)



    The Star GJ 9404 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.025 AU ( 3684093.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.034 AU ( 5092379.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.052 AU ( 7759659.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.076 AU ( 11418679.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 9404)



    Kopparapu's Recent Venus for Star GJ 9404 distance : 0.247 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 9404 distance : 0.312 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 9404 distance : 0.301 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 9404 distance : 0.323 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 9404 distance : 0.660 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 9404 distance : 0.697 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 9404)



  • Original Kopparapu Recent Venus for Star GJ 9404 distance : 0.238 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 9404 distance : 0.324 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 9404 distance : 0.315 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 9404 distance : 0.673 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 9404 distance : 0.700 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 9404)



    (Position in Stellar Map of star GJ 9404 )



    (Zoomed position in Stellar Map of star GJ 9404 (zoom level 3))

    (Synthetic Spectrum of star GJ 338 B*)
    *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