K2-390

Display orbital revolution around the star K2-390
Imaginary Picture of Star K2-390
Star Name : K2-390
Alternate Name : "EPIC 245995977, TOI-4549"
Star Distance (LY/pc): 1487.6693 (LY) 456.1220 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7890 (Rsun, estimated)
Stellar Mass (Msun): 0.9660 (Msun/observed) 0.9660 (Msun/estimated)
Spectral type : G5V
Metalicity : -0.1160
Absolute Magnitude : 5.27
Apparent Magnitude : 13.57
Right Ascension(RA) : 355.70238
Declination(DEC) : -9.58871
  • This is the K2-390 . The star K2-390 islocated about 1487.7 light-years (456.1 pc) away from our Solar System.
  • The star K2-390 has apparent magnitude of 13.6, with absolute magnitude of 5.3.
  • It is 1.0 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5558 with its spectral types of G5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-390 b radius 0.416250 mass 0.063640 orbital distance 0.040200
    (Illustration of the K2-390's Planetary System)



    The Star K2-390 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.528 AU ( 78990015.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.730 AU ( 109184844.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.112 AU ( 166373540.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.637 AU ( 244825952.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-390)



    Kopparapu's Recent Venus for Star K2-390 distance : 0.554 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-390 distance : 0.702 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-390 distance : 0.678 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-390 distance : 0.744 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-390 distance : 1.248 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-390 distance : 1.316 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-390)



  • Original Kopparapu Recent Venus for Star K2-390 distance : 0.553 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-390 distance : 0.722 AU
  • Original Kopparapu Moist Greenhouse for Star K2-390 distance : 0.732 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-390 distance : 1.269 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-390 distance : 1.320 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-390)



    (Position in Stellar Map of star K2-390 )



    (Zoomed position in Stellar Map of star K2-390 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1161*)
    *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