K2-15

Display orbital revolution around the star K2-15
Imaginary Picture of Star K2-15
Star Name : K2-15
Alternate Name : "EPIC 201736247, 2MASS J11522658+0415171, WISE J115226.55+041516.8"
Star Distance (LY/pc): 1634.1394 (LY) 501.0300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6800 (Rsun, estimated)
Stellar Mass (Msun): 0.7200 (Msun/observed) 0.7200 (Msun/estimated)
Spectral type : G8
Metalicity : -0.4600
Absolute Magnitude : 4.57
Apparent Magnitude : 13.07
Right Ascension(RA) : 178.11079
Declination(DEC) : 4.25475
  • This is the K2-15 . The star K2-15 islocated about 1634.1 light-years (501.0 pc) away from our Solar System.
  • The star K2-15 has apparent magnitude of 13.1, with absolute magnitude of 4.6.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5131 with its spectral types of G8
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-15 b radius 0.221000 mass 0.019291 orbital distance 0.091000
    (Illustration of the K2-15's Planetary System)



    The Star K2-15 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.388 AU ( 58019108.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.536 AU ( 80197570.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.817 AU ( 122203350.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.202 AU ( 179827583.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-15)



    Kopparapu's Recent Venus for Star K2-15 distance : 0.417 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-15 distance : 0.528 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-15 distance : 0.510 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-15 distance : 0.559 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-15 distance : 0.952 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-15 distance : 1.004 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-15)



  • Original Kopparapu Recent Venus for Star K2-15 distance : 0.413 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-15 distance : 0.544 AU
  • Original Kopparapu Moist Greenhouse for Star K2-15 distance : 0.547 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-15 distance : 0.968 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-15 distance : 1.007 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-15)



    (Position in Stellar Map of star K2-15 )



    (Zoomed position in Stellar Map of star K2-15 (zoom level 3))

    (Synthetic Spectrum of star Kepler-764*)
    *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