Kepler-991

Display orbital revolution around the star Kepler-991
Imaginary Picture of Star Kepler-991
Star Name : Kepler-991
Alternate Name : "2MASS J19482175+4937356, KIC 11622600, KOI-1876, WISE J194821.73+493735.4"
Star Distance (LY/pc): 1206.7772 (LY) 370.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6100 (Rsun, estimated)
Stellar Mass (Msun): 0.6400 (Msun/observed) 0.6400 (Msun/estimated)
Spectral type : K5
Metalicity : -0.2500
Absolute Magnitude : 5.49
Apparent Magnitude : 13.33
Right Ascension(RA) : 297.09066
Declination(DEC) : 49.62657
  • This is the Kepler-991 . The star Kepler-991 islocated about 1206.8 light-years (370.0 pc) away from our Solar System.
  • The star Kepler-991 has apparent magnitude of 13.3, with absolute magnitude of 5.5.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4392 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-991 b radius 0.227000 mass 0.019778 orbital distance 0.000000
    (Illustration of the Kepler-991's Planetary System)



    The Star Kepler-991 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.255 AU ( 38134021.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.352 AU ( 52711183.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.537 AU ( 80320179.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.790 AU ( 118194662.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-991)



    Kopparapu's Recent Venus for Star Kepler-991 distance : 0.283 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-991 distance : 0.358 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-991 distance : 0.345 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-991 distance : 0.379 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-991 distance : 0.666 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-991 distance : 0.702 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-991)



  • Original Kopparapu Recent Venus for Star Kepler-991 distance : 0.279 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-991 distance : 0.369 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-991 distance : 0.369 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-991 distance : 0.677 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-991 distance : 0.704 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-991)



    (Position in Stellar Map of star Kepler-991 )



    (Zoomed position in Stellar Map of star Kepler-991 (zoom level 3))

    (Synthetic Spectrum of star Kepler-282*)
    *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