K2-149

Display orbital revolution around the star K2-149
Imaginary Picture of Star K2-149
Star Name : K2-149
Alternate Name : "2MASS J00391724+0716375, EPIC 220522664, WISE J003917.22+071637.3"
Star Distance (LY/pc): 404.1386 (LY) 123.9096 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5700 (Rsun, estimated)
Stellar Mass (Msun): 0.5900 (Msun/observed) 0.5900 (Msun/estimated)
Spectral type : M1.0 V
Metalicity : 0.1100
Absolute Magnitude : 5.99
Apparent Magnitude : 11.45
Right Ascension(RA) : 9.82190
Declination(DEC) : 7.27710
  • This is the K2-149 . The star K2-149 islocated about 404.1 light-years (123.9 pc) away from our Solar System.
  • The star K2-149 has apparent magnitude of 11.5, with absolute magnitude of 6.0.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3745 with its spectral types of M1.0 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-149 b radius 0.146000 mass 0.013119 orbital distance 0.083000
    (Illustration of the K2-149's Planetary System)



    The Star K2-149 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.173 AU ( 25908162.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.239 AU ( 35811851.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.365 AU ( 54569336.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.537 AU ( 80301168.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-149)



    Kopparapu's Recent Venus for Star K2-149 distance : 0.195 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-149 distance : 0.247 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-149 distance : 0.238 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-149 distance : 0.261 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-149 distance : 0.474 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-149 distance : 0.500 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-149)



  • Original Kopparapu Recent Venus for Star K2-149 distance : 0.193 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-149 distance : 0.255 AU
  • Original Kopparapu Moist Greenhouse for Star K2-149 distance : 0.255 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-149 distance : 0.482 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-149 distance : 0.501 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-149)



    (Position in Stellar Map of star K2-149 )



    (Zoomed position in Stellar Map of star K2-149 (zoom level 3))

    (Synthetic Spectrum of star Kepler-822*)
    *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