K2-340

Display orbital revolution around the star K2-340
Imaginary Picture of Star K2-340
Star Name : K2-340
Alternate Name : EPIC 211923431
Star Distance (LY/pc): 2407.4749 (LY) 738.1360 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1300 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G5V
Metalicity : 0.0800
Absolute Magnitude : 4.96
Apparent Magnitude : 14.30
Right Ascension(RA) : 127.93733
Declination(DEC) : 19.07467
  • This is the K2-340 . The star K2-340 islocated about 2407.5 light-years (738.1 pc) away from our Solar System.
  • The star K2-340 has apparent magnitude of 14.3, with absolute magnitude of 5.0.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5532 with its spectral types of G5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-340 b radius 0.299800 mass 0.025617 orbital distance 0.183450
    (Illustration of the K2-340's Planetary System)



    The Star K2-340 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.749 AU ( 112072974.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.036 AU ( 154914139.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.578 AU ( 236054865.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.322 AU ( 347365075.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-340)



    Kopparapu's Recent Venus for Star K2-340 distance : 0.788 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-340 distance : 0.998 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-340 distance : 0.964 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-340 distance : 1.057 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-340 distance : 1.774 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-340 distance : 1.871 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-340)



  • Original Kopparapu Recent Venus for Star K2-340 distance : 0.785 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-340 distance : 1.026 AU
  • Original Kopparapu Moist Greenhouse for Star K2-340 distance : 1.039 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-340 distance : 1.805 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-340 distance : 1.877 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-340)



    (Position in Stellar Map of star K2-340 )



    (Zoomed position in Stellar Map of star K2-340 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1119*)
    *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