Kepler-250

Display orbital revolution around the star Kepler-250
Imaginary Picture of Star Kepler-250
Star Name : Kepler-250
Alternate Name : "2MASS J19182274+4408310, KIC 8226994, KOI-906"
Star Distance (LY/pc): 2535.2432 (LY) 777.3100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8100 (Rsun, estimated)
Stellar Mass (Msun): 0.8000 (Msun/observed) 0.8000 (Msun/estimated)
Spectral type : K1
Metalicity : 0.0630
Absolute Magnitude : 4.55
Apparent Magnitude : 14.00
Right Ascension(RA) : 289.59476
Declination(DEC) : 44.14195
  • This is the Kepler-250 . The star Kepler-250 islocated about 2535.2 light-years (777.3 pc) away from our Solar System.
  • The star Kepler-250 has apparent magnitude of 14.0, 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 5160 with its spectral types of K1
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-250 b radius 0.101000 mass 0.004807 orbital distance 0.048000
  • Name of the 2 Planet Kepler-250 c radius 0.203000 mass 0.017825 orbital distance 0.069000
  • Name of the 3 Planet Kepler-250 d radius 0.194000 mass 0.017089 orbital distance 0.127000
    (Illustration of the Kepler-250's Planetary System)



    The Star Kepler-250 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.467 AU ( 69894424.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.646 AU ( 96612360.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.984 AU ( 147215857.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.448 AU ( 216634583.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-250)



    Kopparapu's Recent Venus for Star Kepler-250 distance : 0.501 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-250 distance : 0.635 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-250 distance : 0.613 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-250 distance : 0.673 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-250 distance : 1.144 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-250 distance : 1.206 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-250)



  • Original Kopparapu Recent Venus for Star Kepler-250 distance : 0.497 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-250 distance : 0.654 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-250 distance : 0.658 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-250 distance : 1.163 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-250 distance : 1.209 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-250)



    (Position in Stellar Map of star Kepler-250 )



    (Zoomed position in Stellar Map of star Kepler-250 (zoom level 3))

    (Synthetic Spectrum of star KMT-2017-BLG-1194*)
    *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