Kepler-444

Display orbital revolution around the star Kepler-444
Imaginary Picture of Star Kepler-444
Star Name : Kepler-444
Alternate Name : "Kepler-444, 2MASS J19190052+4138043, BD+41 3306, HIP 94931, KIC 6278762, KOI-3158, Kepler-444 A, LHS 3450, TYC 3129-003 
Star Distance (LY/pc): 116.3596 (LY) 35.6761 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7500 (Rsun, estimated)
Stellar Mass (Msun): 0.7600 (Msun/observed) 0.7600 (Msun/estimated)
Spectral type : K
Metalicity : -0.5500
Absolute Magnitude : 6.24
Apparent Magnitude : 9.00
Right Ascension(RA) : 289.75229
Declination(DEC) : 41.63461
  • This is the Kepler-444 . The star Kepler-444 islocated about 116.4 light-years (35.7 pc) away from our Solar System.
  • The star Kepler-444 has apparent magnitude of 9.0, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5046 with its spectral types of K
  • Number of Extrasolar Planets : 5
  • Name of the 1 Planet Kepler-444 b radius 0.035950 mass 0.000132 orbital distance 0.041780
  • Name of the 2 Planet Kepler-444 c radius 0.044000 mass 0.000261 orbital distance 0.048810
  • Name of the 3 Planet Kepler-444 d radius 0.047000 mass 0.000327 orbital distance 0.060000
  • Name of the 4 Planet Kepler-444 e radius 0.049000 mass 0.000377 orbital distance 0.069600
  • Name of the 5 Planet Kepler-444 f radius 0.066000 mass 0.001059 orbital distance 0.081100
    (Illustration of the Kepler-444's Planetary System)



    The Star Kepler-444 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.414 AU ( 61889057.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.572 AU ( 85546850.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.871 AU ( 130354469.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.282 AU ( 191822312.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-444)



    Kopparapu's Recent Venus for Star Kepler-444 distance : 0.447 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-444 distance : 0.565 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-444 distance : 0.546 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-444 distance : 0.599 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-444 distance : 1.023 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-444 distance : 1.079 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-444)



  • Original Kopparapu Recent Venus for Star Kepler-444 distance : 0.442 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-444 distance : 0.583 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-444 distance : 0.585 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-444 distance : 1.040 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-444 distance : 1.082 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-444)



    (Position in Stellar Map of star Kepler-444 )



    (Zoomed position in Stellar Map of star Kepler-444 (zoom level 3))

    (Synthetic Spectrum of star Kepler-61*)
    *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