Kepler-921

Display orbital revolution around the star Kepler-921
Imaginary Picture of Star Kepler-921
Star Name : Kepler-921
Alternate Name : "2MASS J18582788+4911269, KIC 11337833, KOI-1651, WISE J185827.89+491126.7"
Star Distance (LY/pc): 2762.5413 (LY) 847.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9100 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G5
Metalicity : -0.1200
Absolute Magnitude : 3.96
Apparent Magnitude : 13.60
Right Ascension(RA) : 284.61620
Declination(DEC) : 49.19081
  • This is the Kepler-921 . The star Kepler-921 islocated about 2762.5 light-years (847.0 pc) away from our Solar System.
  • The star Kepler-921 has apparent magnitude of 13.6, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5663 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-921 b radius 0.256000 mass 0.022117 orbital distance 0.000000
    (Illustration of the Kepler-921's Planetary System)



    The Star Kepler-921 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.632 AU ( 94578544.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.874 AU ( 130732265.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.332 AU ( 199207041.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.960 AU ( 293141888.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-921)



    Kopparapu's Recent Venus for Star Kepler-921 distance : 0.660 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-921 distance : 0.835 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-921 distance : 0.807 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-921 distance : 0.885 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-921 distance : 1.480 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-921 distance : 1.561 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-921)



  • Original Kopparapu Recent Venus for Star Kepler-921 distance : 0.659 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-921 distance : 0.859 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-921 distance : 0.872 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-921 distance : 1.506 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-921 distance : 1.566 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-921)



    (Position in Stellar Map of star Kepler-921 )



    (Zoomed position in Stellar Map of star Kepler-921 (zoom level 3))

    (Synthetic Spectrum of star Kepler-215*)
    *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