K2-3

Display orbital revolution around the star K2-3
Imaginary Picture of Star K2-3
Star Name : K2-3
Alternate Name : "EPIC 201367065 , 2MASS J11292037-0127173, EPIC 201367065, WISE J112920.45-012718.0"
Star Distance (LY/pc): 143.4447 (LY) 43.9804 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5600 (Rsun, estimated)
Stellar Mass (Msun): 0.6000 (Msun/observed) 0.6000 (Msun/estimated)
Spectral type : M0.0V
Metalicity : -0.3200
Absolute Magnitude : 8.95
Apparent Magnitude : 12.17
Right Ascension(RA) : 172.33497
Declination(DEC) : -1.45479
  • This is the K2-3 . The star K2-3 islocated about 143.4 light-years (44.0 pc) away from our Solar System.
  • The star K2-3 has apparent magnitude of 12.2, with absolute magnitude of 9.0.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3896 with its spectral types of M0.0V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet K2-3 b radius 0.194000 mass 0.020390 orbital distance 0.077500
  • Name of the 2 Planet K2-3 c radius 0.165000 mass 0.006730 orbital distance 0.140500
  • Name of the 3 Planet K2-3 d radius 0.135000 mass 0.008810 orbital distance 0.208600
    (Illustration of the K2-3's Planetary System)



    The Star K2-3 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.184 AU ( 27547617.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.255 AU ( 38078005.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.388 AU ( 58022454.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.571 AU ( 85382583.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-3)



    Kopparapu's Recent Venus for Star K2-3 distance : 0.207 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-3 distance : 0.262 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-3 distance : 0.253 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-3 distance : 0.277 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-3 distance : 0.499 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-3 distance : 0.527 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-3)



  • Original Kopparapu Recent Venus for Star K2-3 distance : 0.204 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-3 distance : 0.271 AU
  • Original Kopparapu Moist Greenhouse for Star K2-3 distance : 0.270 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-3 distance : 0.507 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-3 distance : 0.527 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-3)



    (Position in Stellar Map of star K2-3 )



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

    (Synthetic Spectrum of star Kepler-819*)
    *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