Kepler-281
Imaginary Picture of Star Kepler-281
Star Name : Kepler-281
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9000 (Rsun, estimated)
Stellar Mass (Msun): 0.9800 (Msun/observed) 0.9800 (Msun/estimated)
Spectral type : G4
Metalicity : 0.0120
Absolute Magnitude : 25.00
Apparent Magnitude : 14.50
Right Ascension(RA) : 294.10818
Declination(DEC) : 44.77070
  • The star Kepler-281 has apparent magnitude of 14.5, with absolute magnitude of 25.0.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5723 with its spectral types of G4
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-281 b radius 0.252000 mass 0.021796 orbital distance 0.117000
  • Name of the 2 Planet Kepler-281 c radius 0.474000 mass 0.104391 orbital distance 0.215000
    (Illustration of the Kepler-281's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.639 AU ( 95531833.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.883 AU ( 132049959.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.345 AU ( 201214915.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.979 AU ( 296096563.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-281)



    Kopparapu's Recent Venus for Star Kepler-281 distance : 0.664 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-281 distance : 0.841 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-281 distance : 0.812 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-281 distance : 0.890 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-281 distance : 1.487 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-281 distance : 1.569 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-281)



  • Original Kopparapu Recent Venus for Star Kepler-281 distance : 0.664 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-281 distance : 0.864 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-281 distance : 0.879 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-281 distance : 1.513 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-281 distance : 1.574 AU

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



    (Position in Stellar Map of star Kepler-281 )



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