K2-281

Display orbital revolution around the star K2-281
Imaginary Picture of Star K2-281
Star Name : K2-281
Alternate Name : "2MASS J01045457+0716093, EPIC 220522262, WISE J010454.58+071609.2"
Star Distance (LY/pc): 1547.9639 (LY) 474.6084 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7600 (Rsun, estimated)
Stellar Mass (Msun): 0.8200 (Msun/observed) 0.8200 (Msun/estimated)
Spectral type : K3
Metalicity : 0.2200
Absolute Magnitude : 4.81
Apparent Magnitude : 13.20
Right Ascension(RA) : 16.22735
Declination(DEC) : 7.26923
  • This is the K2-281 . The star K2-281 islocated about 1548.0 light-years (474.6 pc) away from our Solar System.
  • The star K2-281 has apparent magnitude of 13.2, with absolute magnitude of 4.8.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4812 with its spectral types of K3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-281 b radius 0.730000 mass 0.351847 orbital distance 0.077300
    (Illustration of the K2-281's Planetary System)



    The Star K2-281 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.381 AU ( 57032570.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.527 AU ( 78833916.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.803 AU ( 120125442.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.182 AU ( 176769850.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-281)



    Kopparapu's Recent Venus for Star K2-281 distance : 0.416 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-281 distance : 0.527 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-281 distance : 0.509 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-281 distance : 0.558 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-281 distance : 0.962 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-281 distance : 1.015 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-281)



  • Original Kopparapu Recent Venus for Star K2-281 distance : 0.411 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-281 distance : 0.543 AU
  • Original Kopparapu Moist Greenhouse for Star K2-281 distance : 0.544 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-281 distance : 0.978 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-281 distance : 1.017 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-281)



    (Position in Stellar Map of star K2-281 )



    (Zoomed position in Stellar Map of star K2-281 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1067*)
    *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