K2-171

Display orbital revolution around the star K2-171
Imaginary Picture of Star K2-171
Star Name : K2-171
Alternate Name : "2MASS J22092179-1325438, EPIC 206049764, WISE J220921.78-132543.8"
Star Distance (LY/pc): 1957.4841 (LY) 600.1680 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7200 (Rsun, estimated)
Stellar Mass (Msun): 0.8900 (Msun/observed) 0.8900 (Msun/estimated)
Spectral type : K0
Metalicity : -0.0900
Absolute Magnitude : 2.21
Apparent Magnitude : 11.10
Right Ascension(RA) : 332.34082
Declination(DEC) : -13.42887
  • This is the K2-171 . The star K2-171 islocated about 1957.5 light-years (600.2 pc) away from our Solar System.
  • The star K2-171 has apparent magnitude of 11.1, with absolute magnitude of 2.2.
  • It is 0.9 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5250 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-171 b radius 0.240000 mass 0.020829 orbital distance 0.000000
    (Illustration of the K2-171's Planetary System)



    The Star K2-171 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.027 AU ( 153640307.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.420 AU ( 212371055.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.163 AU ( 323606490.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.183 AU ( 476201127.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-171)



    Kopparapu's Recent Venus for Star K2-171 distance : 1.097 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-171 distance : 1.389 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-171 distance : 1.342 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-171 distance : 1.471 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-171 distance : 2.494 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-171 distance : 2.631 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-171)



  • Original Kopparapu Recent Venus for Star K2-171 distance : 1.089 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-171 distance : 1.430 AU
  • Original Kopparapu Moist Greenhouse for Star K2-171 distance : 1.441 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-171 distance : 2.536 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-171 distance : 2.638 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-171)



    (Position in Stellar Map of star K2-171 )



    (Zoomed position in Stellar Map of star K2-171 (zoom level 3))

    (Synthetic Spectrum of star Kepler-844*)
    *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