Kepler-646

Display orbital revolution around the star Kepler-646
Imaginary Picture of Star Kepler-646
Star Name : Kepler-646
Alternate Name : "2MASS J19215312+4423135, KIC 8361905, KOI-689, WISE J192153.14+442313.3"
Star Distance (LY/pc): 1673.1803 (LY) 513.0000 (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 : -0.0700
Absolute Magnitude : 3.97
Apparent Magnitude : 12.53
Right Ascension(RA) : 290.47134
Declination(DEC) : 44.38708
  • This is the Kepler-646 . The star Kepler-646 islocated about 1673.2 light-years (513.0 pc) away from our Solar System.
  • The star Kepler-646 has apparent magnitude of 12.5, 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 5634 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-646 b radius 0.178000 mass 0.015775 orbital distance 0.000000
    (Illustration of the Kepler-646's Planetary System)



    The Star Kepler-646 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.626 AU ( 93612359.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.865 AU ( 129396744.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.318 AU ( 197172002.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.940 AU ( 290147239.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-646)



    Kopparapu's Recent Venus for Star Kepler-646 distance : 0.654 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-646 distance : 0.828 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-646 distance : 0.800 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-646 distance : 0.877 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-646 distance : 1.469 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-646 distance : 1.549 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-646)



  • Original Kopparapu Recent Venus for Star Kepler-646 distance : 0.653 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-646 distance : 0.852 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-646 distance : 0.864 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-646 distance : 1.494 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-646 distance : 1.554 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-646)



    (Position in Stellar Map of star Kepler-646 )



    (Zoomed position in Stellar Map of star Kepler-646 (zoom level 3))

    (Synthetic Spectrum of star Kepler-131*)
    *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