K2-146

Display orbital revolution around the star K2-146
Imaginary Picture of Star K2-146
Star Name : K2-146
Alternate Name : "UCAC3 219-93463, 2MASS J08400641+1905346, K2-146, EPIC 211924657, WISE J084006.41+190533.1"
Star Distance (LY/pc): 259.2222 (LY) 79.4780 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3300 (Rsun, estimated)
Stellar Mass (Msun): 0.3300 (Msun/observed) 0.3300 (Msun/estimated)
Spectral type : M3.0 V
Metalicity : -0.0200
Absolute Magnitude : 11.75
Apparent Magnitude : 16.25
Right Ascension(RA) : 130.02677
Declination(DEC) : 19.09288
  • This is the K2-146 . The star K2-146 islocated about 259.2 light-years (79.5 pc) away from our Solar System.
  • The star K2-146 has apparent magnitude of 16.2, with absolute magnitude of 11.7.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3385 with its spectral types of M3.0 V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-146 b radius 0.183000 mass 0.018160 orbital distance 0.027000
  • Name of the 2 Planet K2-146 c radius 0.195000 mass 0.023580 orbital distance 0.034000
    (Illustration of the K2-146's Planetary System)



    The Star K2-146 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.082 AU ( 12254325.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.113 AU ( 16938679.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.173 AU ( 25810799.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.254 AU ( 37981722.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-146)



    Kopparapu's Recent Venus for Star K2-146 distance : 0.093 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-146 distance : 0.117 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-146 distance : 0.113 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-146 distance : 0.124 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-146 distance : 0.229 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-146 distance : 0.242 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-146)



  • Original Kopparapu Recent Venus for Star K2-146 distance : 0.092 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-146 distance : 0.121 AU
  • Original Kopparapu Moist Greenhouse for Star K2-146 distance : 0.122 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-146 distance : 0.233 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-146 distance : 0.242 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-146)



    (Position in Stellar Map of star K2-146 )



    (Zoomed position in Stellar Map of star K2-146 (zoom level 3))

    (Synthetic Spectrum of star Kepler-864*)
    *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