K2-122

Display orbital revolution around the star K2-122
Imaginary Picture of Star K2-122
Star Name : K2-122
Alternate Name : "2MASS J08255432+2021344, K2-122, EPIC 212006344, EPIC 212006344 A, K2-122 A, WISE J082554.29+202133.8"
Star Distance (LY/pc): 235.4520 (LY) 72.1900 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6000 (Rsun, estimated)
Stellar Mass (Msun): 0.6200 (Msun/observed) 0.6200 (Msun/estimated)
Spectral type : M0
Metalicity : 0.0600
Absolute Magnitude : 5.81
Apparent Magnitude : 10.10
Right Ascension(RA) : 126.47635
Declination(DEC) : 20.35957
  • This is the K2-122 . The star K2-122 islocated about 235.5 light-years (72.2 pc) away from our Solar System.
  • The star K2-122 has apparent magnitude of 10.1, with absolute magnitude of 5.8.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4027 with its spectral types of M0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-122 b radius 0.108000 mass 0.006124 orbital distance 0.028500
    (Illustration of the K2-122's Planetary System)



    The Star K2-122 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.211 AU ( 31533532.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.291 AU ( 43587582.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.444 AU ( 66417829.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.653 AU ( 97736745.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-122)



    Kopparapu's Recent Venus for Star K2-122 distance : 0.236 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-122 distance : 0.299 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-122 distance : 0.288 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-122 distance : 0.316 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-122 distance : 0.566 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-122 distance : 0.597 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-122)



  • Original Kopparapu Recent Venus for Star K2-122 distance : 0.233 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-122 distance : 0.309 AU
  • Original Kopparapu Moist Greenhouse for Star K2-122 distance : 0.308 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-122 distance : 0.575 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-122 distance : 0.598 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-122)



    (Position in Stellar Map of star K2-122 )



    (Zoomed position in Stellar Map of star K2-122 (zoom level 3))

    (Synthetic Spectrum of star Kepler-845*)
    *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