K2-5
Imaginary Picture of Star K2-5
Star Name : K2-5
Alternate Name : EPIC 201338508
Star Distance (LY/pc): 590.3424 (LY) 181.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5200 (Rsun, estimated)
Stellar Mass (Msun): 0.5300 (Msun/observed) 0.5300 (Msun/estimated)
Spectral type : K6
Metalicity : -0.5100
Absolute Magnitude : 15.71
Apparent Magnitude : 22.00
Right Ascension(RA) : 169.30350
Declination(DEC) : -1.87798
  • This is the K2-5 . The star K2-5 islocated about 590.3 light-years (181.0 pc) away from our Solar System.
  • The star K2-5 has apparent magnitude of 22.0, with absolute magnitude of 15.7.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 4102 with its spectral types of K6
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-5 b radius 0.171000 mass 0.015197 orbital distance 0.050900
  • Name of the 2 Planet K2-5 c radius 0.171000 mass 0.015197 orbital distance 0.078300
    (Illustration of the K2-5's Planetary System)



    The Star K2-5 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.190 AU ( 28356509.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.262 AU ( 39196106.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.399 AU ( 59726191.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.588 AU ( 87889707.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-5)



    Kopparapu's Recent Venus for Star K2-5 distance : 0.212 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-5 distance : 0.268 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-5 distance : 0.259 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-5 distance : 0.284 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-5 distance : 0.506 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-5 distance : 0.534 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-5)



  • Original Kopparapu Recent Venus for Star K2-5 distance : 0.209 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-5 distance : 0.277 AU
  • Original Kopparapu Moist Greenhouse for Star K2-5 distance : 0.277 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-5 distance : 0.514 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-5 distance : 0.535 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-5)



    (Position in Stellar Map of star K2-5 )



    (Zoomed position in Stellar Map of star K2-5 (zoom level 3))