K2-252

Display orbital revolution around the star K2-252
Imaginary Picture of Star K2-252
Star Name : K2-252
Alternate Name : "2MASS J12092792-0818342, EPIC 228763938, WISE J120927.92-081834.5"
Star Distance (LY/pc): 739.0465 (LY) 226.5929 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8200 (Rsun, estimated)
Stellar Mass (Msun): 0.7900 (Msun/observed) 0.7900 (Msun/estimated)
Spectral type : K1
Metalicity : -0.0900
Absolute Magnitude : 4.46
Apparent Magnitude : 11.24
Right Ascension(RA) : 182.36636
Declination(DEC) : -8.30952
  • This is the K2-252 . The star K2-252 islocated about 739.0 light-years (226.6 pc) away from our Solar System.
  • The star K2-252 has apparent magnitude of 11.2, with absolute magnitude of 4.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5152 with its spectral types of K1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-252 b radius 0.155000 mass 0.013870 orbital distance 0.104100
    (Illustration of the K2-252's Planetary System)



    The Star K2-252 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.472 AU ( 70538086.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.652 AU ( 97502069.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.993 AU ( 148571576.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.461 AU ( 218629583.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-252)



    Kopparapu's Recent Venus for Star K2-252 distance : 0.506 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-252 distance : 0.641 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-252 distance : 0.619 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-252 distance : 0.679 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-252 distance : 1.155 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-252 distance : 1.218 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-252)



  • Original Kopparapu Recent Venus for Star K2-252 distance : 0.502 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-252 distance : 0.660 AU
  • Original Kopparapu Moist Greenhouse for Star K2-252 distance : 0.664 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-252 distance : 1.175 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-252 distance : 1.221 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-252)



    (Position in Stellar Map of star K2-252 )



    (Zoomed position in Stellar Map of star K2-252 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1040*)
    *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