K2-123

Display orbital revolution around the star K2-123
Imaginary Picture of Star K2-123
Star Name : K2-123
Alternate Name : "2MASS J08574660+2127127, K2-123, EPIC 212069861, WISE J085746.59+212712.0"
Star Distance (LY/pc): 529.5469 (LY) 162.3600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5900 (Rsun, estimated)
Stellar Mass (Msun): 0.6200 (Msun/observed) 0.6200 (Msun/estimated)
Spectral type : M0V
Metalicity : 0.0300
Absolute Magnitude : 5.85
Apparent Magnitude : 11.91
Right Ascension(RA) : 134.44418
Declination(DEC) : 21.45353
  • This is the K2-123 . The star K2-123 islocated about 529.5 light-years (162.4 pc) away from our Solar System.
  • The star K2-123 has apparent magnitude of 11.9, with absolute magnitude of 5.9.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4035 with its spectral types of M0V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-123 b radius 0.246000 mass 0.021313 orbital distance 0.164900
    (Illustration of the K2-123's Planetary System)



    The Star K2-123 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.208 AU ( 31131296.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.288 AU ( 43031586.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.438 AU ( 65570615.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.645 AU ( 96490033.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-123)



    Kopparapu's Recent Venus for Star K2-123 distance : 0.233 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-123 distance : 0.295 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-123 distance : 0.285 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-123 distance : 0.312 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-123 distance : 0.559 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-123 distance : 0.589 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-123)



  • Original Kopparapu Recent Venus for Star K2-123 distance : 0.230 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-123 distance : 0.305 AU
  • Original Kopparapu Moist Greenhouse for Star K2-123 distance : 0.304 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-123 distance : 0.568 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-123 distance : 0.590 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-123)



    (Position in Stellar Map of star K2-123 )



    (Zoomed position in Stellar Map of star K2-123 (zoom level 3))

    (Synthetic Spectrum of star Kepler-847*)
    *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