HD 221287
Imaginary Picture of Star HD 221287
Star Name : HD 221287
Alternate Name :
Star Distance (LY/pc): 180.2963 (LY) 55.2792 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1689 (Rsun, estimated)
Stellar Mass (Msun): 1.2500 (Msun/observed) 1.2500 (Msun/estimated)
Spectral type : F7 V
Metalicity : 0.0300
Absolute Magnitude : 4.11
Apparent Magnitude : 7.82
Right Ascension(RA) : 352.83474
Declination(DEC) : -58.20972
  • This is the HD 221287 . The star HD 221287 islocated about 180.3 light-years (55.3 pc) away from our Solar System.
  • The star HD 221287 has apparent magnitude of 7.8, with absolute magnitude of 4.1.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6304 with its spectral types of F7 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 221287 b radius 0.907830 mass 3.090000 orbital distance 1.250000
    (Illustration of the HD 221287's Planetary System)



    The Star HD 221287 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.006 AU ( 150543565.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.391 AU ( 208090549.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.120 AU ( 317083946.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.119 AU ( 466602917.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 221287)



    Kopparapu's Recent Venus for Star HD 221287 distance : 0.889 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 221287 distance : 1.126 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 221287 distance : 1.088 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 221287 distance : 1.191 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 221287 distance : 1.965 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 221287 distance : 2.073 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 221287)



  • Original Kopparapu Recent Venus for Star HD 221287 distance : 0.900 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 221287 distance : 1.155 AU
  • Original Kopparapu Moist Greenhouse for Star HD 221287 distance : 1.191 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 221287 distance : 2.001 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 221287 distance : 2.081 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 221287)



    (Position in Stellar Map of star HD 221287 )



    (Zoomed position in Stellar Map of star HD 221287 (zoom level 3))