K2-402

Display orbital revolution around the star K2-402
Imaginary Picture of Star K2-402
Star Name : K2-402
Alternate Name : EPIC 248621597
Star Distance (LY/pc): 1705.9753 (LY) 523.0550 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2800 (Rsun, estimated)
Stellar Mass (Msun): 0.9440 (Msun/observed) 0.9440 (Msun/estimated)
Spectral type : G3V
Metalicity : -0.3780
Absolute Magnitude : 3.16
Apparent Magnitude : 11.75
Right Ascension(RA) : 161.45188
Declination(DEC) : 6.41940
  • This is the K2-402 . The star K2-402 islocated about 1706.0 light-years (523.1 pc) away from our Solar System.
  • The star K2-402 has apparent magnitude of 11.8, with absolute magnitude of 3.2.
  • It is 0.9 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5716 with its spectral types of G3V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-402 b radius 0.238920 mass 0.024500 orbital distance 0.128300
    (Illustration of the K2-402's Planetary System)



    The Star K2-402 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.906 AU ( 135535331.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.252 AU ( 187345247.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.908 AU ( 285472698.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.808 AU ( 420085581.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-402)



    Kopparapu's Recent Venus for Star K2-402 distance : 0.943 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-402 distance : 1.194 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-402 distance : 1.153 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-402 distance : 1.264 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-402 distance : 2.111 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-402 distance : 2.227 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-402)



  • Original Kopparapu Recent Venus for Star K2-402 distance : 0.943 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-402 distance : 1.227 AU
  • Original Kopparapu Moist Greenhouse for Star K2-402 distance : 1.247 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-402 distance : 2.148 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-402 distance : 2.234 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-402)



    (Position in Stellar Map of star K2-402 )



    (Zoomed position in Stellar Map of star K2-402 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1172*)
    *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