Kepler-321

Display orbital revolution around the star Kepler-321
Imaginary Picture of Star Kepler-321
Star Name : Kepler-321
Alternate Name : "2MASS J19374888+4408447, KIC 8240797, KOI-1809, WISE J193748.89+440844.8"
Star Distance (LY/pc): 1268.1924 (LY) 388.8300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1900 (Rsun, estimated)
Stellar Mass (Msun): 1.0100 (Msun/observed) 1.0100 (Msun/estimated)
Spectral type : G3
Metalicity : 0.0000
Absolute Magnitude : 3.67
Apparent Magnitude : 11.62
Right Ascension(RA) : 294.45367
Declination(DEC) : 44.14576
  • This is the Kepler-321 . The star Kepler-321 islocated about 1268.2 light-years (388.8 pc) away from our Solar System.
  • The star Kepler-321 has apparent magnitude of 11.6, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5740 with its spectral types of G3
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-321 b radius 0.158000 mass 0.014119 orbital distance 0.057000
  • Name of the 2 Planet Kepler-321 c radius 0.207000 mass 0.018152 orbital distance 0.110000
    (Illustration of the Kepler-321's Planetary System)



    The Star Kepler-321 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.849 AU ( 127065853.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.174 AU ( 175638216.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.789 AU ( 267633772.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.633 AU ( 393834820.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-321)



    Kopparapu's Recent Venus for Star Kepler-321 distance : 0.882 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-321 distance : 1.117 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-321 distance : 1.079 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-321 distance : 1.183 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-321 distance : 1.975 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-321 distance : 2.083 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-321)



  • Original Kopparapu Recent Venus for Star Kepler-321 distance : 0.883 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-321 distance : 1.148 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-321 distance : 1.168 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-321 distance : 2.010 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-321 distance : 2.090 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-321)



    (Position in Stellar Map of star Kepler-321 )



    (Zoomed position in Stellar Map of star Kepler-321 (zoom level 3))

    (Synthetic Spectrum of star KMT-2021-BLG-2478*)
    *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