K2-84

Display orbital revolution around the star K2-84
Imaginary Picture of Star K2-84
Star Name : K2-84
Alternate Name : "2MASS J03431422+1638044, EPIC 210577548, WISE J034314.24+163804.1"
Star Distance (LY/pc): 936.8179 (LY) 287.2300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9300 (Rsun, estimated)
Stellar Mass (Msun): 0.9500 (Msun/observed) 0.9500 (Msun/estimated)
Spectral type : G5
Metalicity : 0.0000
Absolute Magnitude : 4.32
Apparent Magnitude : 11.61
Right Ascension(RA) : 55.80927
Declination(DEC) : 16.63455
  • This is the K2-84 . The star K2-84 islocated about 936.8 light-years (287.2 pc) away from our Solar System.
  • The star K2-84 has apparent magnitude of 11.6, with absolute magnitude of 4.3.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5652 with its spectral types of G5
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-84 b radius 0.215000 mass 0.018803 orbital distance 0.066500
  • Name of the 2 Planet K2-84 c radius 0.181000 mass 0.016022 orbital distance 0.176800
    (Illustration of the K2-84's Planetary System)



    The Star K2-84 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.644 AU ( 96282058.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.890 AU ( 133086966.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.356 AU ( 202795084.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.995 AU ( 298421851.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-84)



    Kopparapu's Recent Venus for Star K2-84 distance : 0.672 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-84 distance : 0.851 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-84 distance : 0.822 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-84 distance : 0.901 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-84 distance : 1.508 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-84 distance : 1.591 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-84)



  • Original Kopparapu Recent Venus for Star K2-84 distance : 0.671 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-84 distance : 0.875 AU
  • Original Kopparapu Moist Greenhouse for Star K2-84 distance : 0.888 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-84 distance : 1.535 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-84 distance : 1.596 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-84)



    (Position in Stellar Map of star K2-84 )



    (Zoomed position in Stellar Map of star K2-84 (zoom level 3))

    (Synthetic Spectrum of star Kepler-817*)
    *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