K2-259

Display orbital revolution around the star K2-259
Imaginary Picture of Star K2-259
Star Name : K2-259
Alternate Name : "2MASS J12271264+0134005, EPIC 229131722, WISE J122712.64+013400.6"
Star Distance (LY/pc): 1376.7045 (LY) 422.1000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1300 (Rsun, estimated)
Stellar Mass (Msun): 1.1400 (Msun/observed) 1.1400 (Msun/estimated)
Spectral type : G0
Metalicity : 0.1600
Absolute Magnitude : 3.30
Apparent Magnitude : 11.43
Right Ascension(RA) : 186.80269
Declination(DEC) : 1.56685
  • This is the K2-259 . The star K2-259 islocated about 1376.7 light-years (422.1 pc) away from our Solar System.
  • The star K2-259 has apparent magnitude of 11.4, with absolute magnitude of 3.3.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6059 with its spectral types of G0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-259 b radius 0.207000 mass 0.018152 orbital distance 0.127100
    (Illustration of the K2-259's Planetary System)



    The Star K2-259 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.899 AU ( 134443082.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.242 AU ( 185835474.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.893 AU ( 283172137.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.785 AU ( 416700204.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-259)



    Kopparapu's Recent Venus for Star K2-259 distance : 0.916 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-259 distance : 1.160 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-259 distance : 1.120 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-259 distance : 1.227 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-259 distance : 2.034 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-259 distance : 2.145 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-259)



  • Original Kopparapu Recent Venus for Star K2-259 distance : 0.922 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-259 distance : 1.190 AU
  • Original Kopparapu Moist Greenhouse for Star K2-259 distance : 1.220 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-259 distance : 2.070 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-259 distance : 2.153 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-259)



    (Position in Stellar Map of star K2-259 )



    (Zoomed position in Stellar Map of star K2-259 (zoom level 3))

    (Synthetic Spectrum of star Kepler-968*)
    *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