83 Leo B

Display orbital revolution around the star 83 Leo B
Imaginary Picture of Star 83 Leo B
Star Name : 83 Leo B
Alternate Name : HD 99492
Star Distance (LY/pc): 58.7081 (LY) 18.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9600 (Rsun, estimated)
Stellar Mass (Msun): 0.8300 (Msun/observed) 0.8300 (Msun/estimated)
Spectral type : K2V
Metalicity : 0.3600
Absolute Magnitude : 6.10
Apparent Magnitude : 7.38
Right Ascension(RA) : 171.69167
Declination(DEC) : 3.00611
  • This is the 83 Leo B . The star 83 Leo B islocated about 58.7 light-years (18.0 pc) away from our Solar System.
  • The star 83 Leo B has apparent magnitude of 7.4, with absolute magnitude of 6.1.
  • It is 0.8 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 4740 with its spectral types of K2V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet 83 Leo Bb radius 0.243784 mass 0.080200 orbital distance 0.123000
  • Name of the 2 Planet 83 Leo Bc radius 0.224731 mass 0.056300 orbital distance 5.400000
    (Illustration of the 83 Leo B's Planetary System)



    The Star 83 Leo B 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.467 AU ( 69901424.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.646 AU ( 96622036.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.984 AU ( 147230601.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.448 AU ( 216656279.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 83 Leo B)



    Kopparapu's Recent Venus for Star 83 Leo B distance : 0.511 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 83 Leo B distance : 0.647 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 83 Leo B distance : 0.625 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 83 Leo B distance : 0.686 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 83 Leo B distance : 1.186 AU
    Kopparapu's Outer Boundary for Early Mars for Star 83 Leo B distance : 1.251 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 83 Leo B)



  • Original Kopparapu Recent Venus for Star 83 Leo B distance : 0.505 AU
  • Original Kopparapu Runaway Greenhouse for Star 83 Leo B distance : 0.668 AU
  • Original Kopparapu Moist Greenhouse for Star 83 Leo B distance : 0.668 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 83 Leo B distance : 1.206 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 83 Leo B distance : 1.254 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 83 Leo B)



    (Position in Stellar Map of star 83 Leo B )



    (Zoomed position in Stellar Map of star 83 Leo B (zoom level 3))

    (Synthetic Spectrum of star MOA-2007-BLG-192L*)
    *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