K2-258

Display orbital revolution around the star K2-258
Imaginary Picture of Star K2-258
Star Name : K2-258
Alternate Name : "2MASS J12303152-0109391, EPIC 229017395, WISE J123031.53-010939.3"
Star Distance (LY/pc): 2090.8776 (LY) 641.0667 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3100 (Rsun, estimated)
Stellar Mass (Msun): 1.2100 (Msun/observed) 1.2100 (Msun/estimated)
Spectral type : F7
Metalicity : 0.0100
Absolute Magnitude : 3.09
Apparent Magnitude : 12.12
Right Ascension(RA) : 187.63133
Declination(DEC) : -1.16092
  • This is the K2-258 . The star K2-258 islocated about 2090.9 light-years (641.1 pc) away from our Solar System.
  • The star K2-258 has apparent magnitude of 12.1, with absolute magnitude of 3.1.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6351 with its spectral types of F7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-258 b radius 0.268000 mass 0.023080 orbital distance 0.149000
    (Illustration of the K2-258's Planetary System)



    The Star K2-258 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.145 AU ( 171243317.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.582 AU ( 236703016.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.411 AU ( 360683014.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.548 AU ( 530760856.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-258)



    Kopparapu's Recent Venus for Star K2-258 distance : 1.146 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-258 distance : 1.451 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-258 distance : 1.401 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-258 distance : 1.535 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-258 distance : 2.531 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-258 distance : 2.669 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-258)



  • Original Kopparapu Recent Venus for Star K2-258 distance : 1.162 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-258 distance : 1.488 AU
  • Original Kopparapu Moist Greenhouse for Star K2-258 distance : 1.537 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-258 distance : 2.576 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-258 distance : 2.679 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-258)



    (Position in Stellar Map of star K2-258 )



    (Zoomed position in Stellar Map of star K2-258 (zoom level 3))

    (Synthetic Spectrum of star Kepler-925*)
    *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