GJ 900

Display orbital revolution around the star GJ 900
Imaginary Picture of Star GJ 900
Star Name : GJ 900
Alternate Name : "BD+00 5017, HIP 116384"
Star Distance (LY/pc): 67.8616 (LY) 20.8065 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7160 (Rsun, estimated)
Stellar Mass (Msun): 0.6750 (Msun/observed) 0.6750 (Msun/estimated)
Spectral type : K7V
Metalicity : 0.0000
Absolute Magnitude : 7.96
Apparent Magnitude : 9.55
Right Ascension(RA) : 353.75113
Declination(DEC) : 1.60540
  • This is the GJ 900 . The star GJ 900 islocated about 67.9 light-years (20.8 pc) away from our Solar System.
  • The star GJ 900 has apparent magnitude of 9.5, with absolute magnitude of 8.0.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4000 with its spectral types of K7V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 900 (ABC)b radius 0.907830 mass 11.000000 orbital distance 12000.000000
    (Illustration of the GJ 900's Planetary System)



    The Star GJ 900 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.248 AU ( 37127107.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.343 AU ( 51319365.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.523 AU ( 78199355.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.769 AU ( 115073777.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 900)



    Kopparapu's Recent Venus for Star GJ 900 distance : 0.278 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 900 distance : 0.352 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 900 distance : 0.340 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 900 distance : 0.372 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 900 distance : 0.668 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 900 distance : 0.705 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 900)



  • Original Kopparapu Recent Venus for Star GJ 900 distance : 0.275 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 900 distance : 0.364 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 900 distance : 0.363 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 900 distance : 0.679 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 900 distance : 0.706 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 900)



    (Position in Stellar Map of star GJ 900 )



    (Zoomed position in Stellar Map of star GJ 900 (zoom level 3))

    (Synthetic Spectrum of star GJ 143*)
    *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