Kepler-442

Display orbital revolution around the star Kepler-442
Imaginary Picture of Star Kepler-442
Star Name : Kepler-442
Alternate Name : "2MASS J19012797+3916482, KIC 4138008, KOI-4742, WISE J190127.98+391648.2"
Star Distance (LY/pc): 1115.4535 (LY) 342.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6000 (Rsun, estimated)
Stellar Mass (Msun): 0.6100 (Msun/observed) 0.6100 (Msun/estimated)
Spectral type : K5
Metalicity : -0.3700
Absolute Magnitude : 7.63
Apparent Magnitude : 15.30
Right Ascension(RA) : 285.36659
Declination(DEC) : 39.28008
  • This is the Kepler-442 . The star Kepler-442 islocated about 1115.5 light-years (342.0 pc) away from our Solar System.
  • The star Kepler-442 has apparent magnitude of 15.3, with absolute magnitude of 7.6.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4402 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-442 b radius 0.120000 mass 0.008982 orbital distance 0.409000
    (Illustration of the Kepler-442's Planetary System)



    The Star Kepler-442 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.252 AU ( 37679873.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.348 AU ( 52083432.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.531 AU ( 79363625.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.781 AU ( 116787051.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-442)



    Kopparapu's Recent Venus for Star Kepler-442 distance : 0.279 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-442 distance : 0.353 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-442 distance : 0.341 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-442 distance : 0.374 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-442 distance : 0.657 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-442 distance : 0.694 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-442)



  • Original Kopparapu Recent Venus for Star Kepler-442 distance : 0.275 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-442 distance : 0.365 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-442 distance : 0.364 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-442 distance : 0.668 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-442 distance : 0.695 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-442)



    (Position in Stellar Map of star Kepler-442 )



    (Zoomed position in Stellar Map of star Kepler-442 (zoom level 3))

    (Synthetic Spectrum of star Kepler-60*)
    *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