11 UMi

Display orbital revolution around the star 11 UMi
Imaginary Picture of Star 11 UMi
Star Name : 11 UMi
Alternate Name :
Star Distance (LY/pc): 398.2369 (LY) 122.1001 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 24.0800 (Rsun, estimated)
Stellar Mass (Msun): 1.8000 (Msun/observed) 1.8000 (Msun/estimated)
Spectral type : K4III
Metalicity : 0.0400
Absolute Magnitude : -0.41
Apparent Magnitude : 5.02
Right Ascension(RA) : 229.27454
Declination(DEC) : 71.82389
  • This is the 11 UMi . The star 11 UMi islocated about 398.2 light-years (122.1 pc) away from our Solar System.
  • The star 11 UMi has apparent magnitude of 5.0, with absolute magnitude of -0.4.
  • It is 1.8 times more massive and 24.1 times bigger compared with our Sun. The surface temperature is 4340 with its spectral types of K4III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 11 UMi b radius 1.049864 mass 11.087300 orbital distance 1.540000
    (Illustration of the 11 UMi's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 9.826 AU ( 1469921201.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 13.582 AU ( 2031815237.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 20.696 AU ( 3096036781.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 30.455 AU ( 4555953752.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 11 UMi)



    Kopparapu's Recent Venus for Star 11 UMi distance : 10.910 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 11 UMi distance : 13.810 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 11 UMi distance : 13.339 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 11 UMi distance : 14.618 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 11 UMi distance : 25.774 AU
    Kopparapu's Outer Boundary for Early Mars for Star 11 UMi distance : 27.189 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 11 UMi)



  • Original Kopparapu Recent Venus for Star 11 UMi distance : 10.764 AU
  • Original Kopparapu Runaway Greenhouse for Star 11 UMi distance : 14.265 AU
  • Original Kopparapu Moist Greenhouse for Star 11 UMi distance : 14.243 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 UMi distance : 26.192 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 11 UMi distance : 27.239 AU

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



    (Position in Stellar Map of star 11 UMi )



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

    (Synthetic Spectrum of star L 168-9*)
    *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