Kepler-1681

Display orbital revolution around the star Kepler-1681
Imaginary Picture of Star Kepler-1681
Star Name : Kepler-1681
Alternate Name : "9661979, 2MASS J19464734+4622181, KIC 9661979, KOI-2132, WISE J194647.33+462218.0"
Star Distance (LY/pc): 2127.3525 (LY) 652.2500 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8900 (Rsun, estimated)
Stellar Mass (Msun): 0.7240 (Msun/observed) 0.7240 (Msun/estimated)
Spectral type : K1
Metalicity : -0.6000
Absolute Magnitude : 5.24
Apparent Magnitude : 14.31
Right Ascension(RA) : 296.69726
Declination(DEC) : 46.37171
  • This is the Kepler-1681 . The star Kepler-1681 islocated about 2127.4 light-years (652.2 pc) away from our Solar System.
  • The star Kepler-1681 has apparent magnitude of 14.3, with absolute magnitude of 5.2.
  • It is 0.7 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5173 with its spectral types of K1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1681 b radius 0.228000 mass 0.019859 orbital distance 0.298500
    (Illustration of the Kepler-1681's Planetary System)



    The Star Kepler-1681 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.516 AU ( 77185029.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.713 AU ( 106689882.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.087 AU ( 162571769.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.599 AU ( 239231481.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1681)



    Kopparapu's Recent Venus for Star Kepler-1681 distance : 0.553 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1681 distance : 0.701 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1681 distance : 0.677 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1681 distance : 0.742 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1681 distance : 1.261 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1681 distance : 1.331 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1681)



  • Original Kopparapu Recent Venus for Star Kepler-1681 distance : 0.549 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1681 distance : 0.722 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1681 distance : 0.726 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1681 distance : 1.283 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1681 distance : 1.334 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1681)



    (Position in Stellar Map of star Kepler-1681 )



    (Zoomed position in Stellar Map of star Kepler-1681 (zoom level 3))

    (Synthetic Spectrum of star Kepler-618*)
    *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