GJ 685

Display orbital revolution around the star GJ 685
Imaginary Picture of Star GJ 685
Star Name : GJ 685
Alternate Name :
Star Distance (LY/pc): 46.7102 (LY) 14.3214 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5400 (Rsun, estimated)
Stellar Mass (Msun): 0.5500 (Msun/observed) 0.5500 (Msun/estimated)
Spectral type : M0.5
Metalicity : -0.1500
Absolute Magnitude : 9.22
Apparent Magnitude : 10.00
Right Ascension(RA) : 263.89366
Declination(DEC) : 61.67944
  • This is the GJ 685 . The star GJ 685 islocated about 46.7 light-years (14.3 pc) away from our Solar System.
  • The star GJ 685 has apparent magnitude of 10.0, with absolute magnitude of 9.2.
  • It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3816 with its spectral types of M0.5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 685 b radius 0.158192 mass 0.028300 orbital distance 0.134400
    (Illustration of the GJ 685's Planetary System)



    The Star GJ 685 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.170 AU ( 25484059.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.235 AU ( 35225629.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.359 AU ( 53676064.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.528 AU ( 78986679.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 685)



    Kopparapu's Recent Venus for Star GJ 685 distance : 0.192 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 685 distance : 0.242 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 685 distance : 0.234 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 685 distance : 0.256 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 685 distance : 0.464 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 685 distance : 0.490 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 685)



  • Original Kopparapu Recent Venus for Star GJ 685 distance : 0.189 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 685 distance : 0.251 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 685 distance : 0.251 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 685 distance : 0.472 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 685 distance : 0.491 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 685)



    (Position in Stellar Map of star GJ 685 )



    (Zoomed position in Stellar Map of star GJ 685 (zoom level 3))

    (Synthetic Spectrum of star ES Cet*)
    *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