Kepler-278

Display orbital revolution around the star Kepler-278
Imaginary Picture of Star Kepler-278
Star Name : Kepler-278
Alternate Name : "2MASS J19202572+3842080, KIC 3640905, KOI-1221, WISE J192025.73+384208.1"
Star Distance (LY/pc): 1376.1857 (LY) 421.9409 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 2.9400 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 1.3001 (Msun/estimated)
Spectral type : K2
Metalicity : 0.4220
Absolute Magnitude : 1.92
Apparent Magnitude : 10.05
Right Ascension(RA) : 290.10719
Declination(DEC) : 38.70224
  • This is the Kepler-278 . The star Kepler-278 islocated about 1376.2 light-years (421.9 pc) away from our Solar System.
  • The star Kepler-278 has apparent magnitude of 10.0, with absolute magnitude of 1.9.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-278 b radius 0.363000 mass 0.176000 orbital distance 0.207000
  • Name of the 2 Planet Kepler-278 c radius 0.320000 mass 0.109800 orbital distance 0.294000
    (Illustration of the Kepler-278's Planetary System)



    The Star Kepler-278 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.587 AU ( 237345270.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.193 AU ( 328073189.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.342 AU ( 499910939.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.917 AU ( 735640846.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-278)



    Kopparapu's Recent Venus for Star Kepler-278 distance : 1.717 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-278 distance : 2.174 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-278 distance : 2.100 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-278 distance : 2.303 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-278 distance : 3.942 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-278 distance : 4.158 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-278)



  • Original Kopparapu Recent Venus for Star Kepler-278 distance : 1.699 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-278 distance : 2.240 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-278 distance : 2.248 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-278 distance : 4.008 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-278 distance : 4.168 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-278)



    (Position in Stellar Map of star Kepler-278 )



    (Zoomed position in Stellar Map of star Kepler-278 (zoom level 3))

    (Synthetic Spectrum of star KMT-2023-BLG-0735*)
    *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