K2-278

Display orbital revolution around the star K2-278
Imaginary Picture of Star K2-278
Star Name : K2-278
Alternate Name : "2MASS J13331242-1430146, EPIC 212418133, WISE J133312.44-143014.7"
Star Distance (LY/pc): 2545.5085 (LY) 780.4573 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.6100 (Rsun, estimated)
Stellar Mass (Msun): 1.4000 (Msun/observed) 1.4000 (Msun/estimated)
Spectral type : F4
Metalicity : 0.0000
Absolute Magnitude : 2.64
Apparent Magnitude : 12.10
Right Ascension(RA) : 203.30177
Declination(DEC) : -14.50406
  • This is the K2-278 . The star K2-278 islocated about 2545.5 light-years (780.5 pc) away from our Solar System.
  • The star K2-278 has apparent magnitude of 12.1, with absolute magnitude of 2.6.
  • It is 1.4 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6747 with its spectral types of F4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-278 b radius 0.266000 mass 0.022920 orbital distance 0.048800
    (Illustration of the K2-278's Planetary System)



    The Star K2-278 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.588 AU ( 237522857.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.195 AU ( 328318660.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.344 AU ( 500284982.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.921 AU ( 736191267.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-278)



    Kopparapu's Recent Venus for Star K2-278 distance : 1.554 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-278 distance : 1.968 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-278 distance : 1.900 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-278 distance : 2.080 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-278 distance : 3.412 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-278 distance : 3.599 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-278)



  • Original Kopparapu Recent Venus for Star K2-278 distance : 1.589 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-278 distance : 2.016 AU
  • Original Kopparapu Moist Greenhouse for Star K2-278 distance : 2.103 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-278 distance : 3.475 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-278 distance : 3.613 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-278)



    (Position in Stellar Map of star K2-278 )



    (Zoomed position in Stellar Map of star K2-278 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1065*)
    *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