11 Oph
Imaginary Picture of Star 11 Oph
Star Name : 11 Oph
Alternate Name : "Oph 11A, Oph 1622-2405"
Star Distance (LY/pc): 472.9262 (LY) 145.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.0162 (Rsun, estimated)
Stellar Mass (Msun): 0.0162 (Msun/observed) 0.0162 (Msun/estimated)
Spectral type : M9
Metalicity : 0.0000
Absolute Magnitude : 8.22
Apparent Magnitude : 14.03
Right Ascension(RA) : 245.60417
Declination(DEC) : -24.08722
  • This is the 11 Oph . The star 11 Oph islocated about 472.9 light-years (145.0 pc) away from our Solar System.
  • The star 11 Oph has apparent magnitude of 14.0, with absolute magnitude of 8.2.
  • It is 0.0 times more massive and 0.0 times bigger compared with our Sun. The surface temperature is 2375 with its spectral types of M9
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 11 Oph b radius 0.907830 mass 21.000000 orbital distance 243.000000
    (Illustration of the 11 Oph's Planetary System)



    The Star 11 Oph 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.002 AU ( 296142.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.003 AU ( 409346.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.004 AU ( 623752.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.006 AU ( 917879.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 11 Oph)



    Kopparapu's Recent Venus for Star 11 Oph distance : 0.117 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 11 Oph distance : 0.148 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 11 Oph distance : 0.143 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 11 Oph distance : 0.156 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 11 Oph distance : 0.304 AU
    Kopparapu's Outer Boundary for Early Mars for Star 11 Oph distance : 0.320 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 11 Oph)



  • Original Kopparapu Recent Venus for Star 11 Oph distance : 0.117 AU
  • Original Kopparapu Runaway Greenhouse for Star 11 Oph distance : 0.154 AU
  • Original Kopparapu Moist Greenhouse for Star 11 Oph distance : 0.155 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 Oph distance : 0.309 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 11 Oph distance : 0.321 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 11 Oph)



    (Position in Stellar Map of star 11 Oph )



    (Zoomed position in Stellar Map of star 11 Oph (zoom level 3))