Lalande 21185
Imaginary Picture of Star Lalande 21185
Star Name : Lalande 21185
Alternate Name :
Star Distance (LY/pc): 8.3170 (LY) 2.5500 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3930 (Rsun, estimated)
Stellar Mass (Msun): 0.4600 (Msun/observed) 0.4600 (Msun/estimated)
Spectral type : M1.5V
Metalicity : 0.0000
Absolute Magnitude : 24.97
Apparent Magnitude : 22.00
Right Ascension(RA) : 165.83414
Declination(DEC) : 35.97000
  • This is the Lalande 21185 . The star Lalande 21185 islocated about 8.3 light-years ( 2.5 pc) away from our Solar System.
  • The star Lalande 21185 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3828 with its spectral types of M1.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Lalande 21185 b radius 0.127231 mass 0.012000 orbital distance 0.000000
    (Illustration of the Lalande 21185's Planetary System)



    The Star Lalande 21185 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.125 AU ( 18663561.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.172 AU ( 25797919.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.263 AU ( 39310319.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.387 AU ( 57846857.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Lalande 21185)



    Kopparapu's Recent Venus for Star Lalande 21185 distance : 0.332 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Lalande 21185 distance : 0.420 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Lalande 21185 distance : 0.406 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Lalande 21185 distance : 0.444 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Lalande 21185 distance : 0.804 AU
    Kopparapu's Outer Boundary for Early Mars for Star Lalande 21185 distance : 0.848 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Lalande 21185)



  • Original Kopparapu Recent Venus for Star Lalande 21185 distance : 0.328 AU
  • Original Kopparapu Runaway Greenhouse for Star Lalande 21185 distance : 0.435 AU
  • Original Kopparapu Moist Greenhouse for Star Lalande 21185 distance : 0.434 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Lalande 21185 distance : 0.817 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Lalande 21185 distance : 0.849 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Lalande 21185)



    (Position in Stellar Map of star Lalande 21185 )



    (Zoomed position in Stellar Map of star Lalande 21185 (zoom level 3))