HD 66428

Display orbital revolution around the star HD 66428
Imaginary Picture of Star HD 66428
Star Name : HD 66428
Alternate Name :
Star Distance (LY/pc): 179.3858 (LY) 55.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0983 (Rsun, estimated)
Stellar Mass (Msun): 1.1455 (Msun/observed) 1.1455 (Msun/estimated)
Spectral type : G5
Metalicity : 0.3100
Absolute Magnitude : 4.55
Apparent Magnitude : 8.25
Right Ascension(RA) : 120.86667
Declination(DEC) : -1.16250
  • This is the HD 66428 . The star HD 66428 islocated about 179.4 light-years (55.0 pc) away from our Solar System.
  • The star HD 66428 has apparent magnitude of 8.2, with absolute magnitude of 4.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5752 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 66428 c radius 0.907830 mass 27.000000 orbital distance 23.000000
    (Illustration of the HD 66428's Planetary System)



    The Star HD 66428 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.787 AU ( 117765639.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.088 AU ( 162782889.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.658 AU ( 248045099.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.440 AU ( 365009230.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 66428)



    Kopparapu's Recent Venus for Star HD 66428 distance : 0.641 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 66428 distance : 0.812 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 66428 distance : 0.785 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 66428 distance : 0.860 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 66428 distance : 1.435 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 66428 distance : 1.514 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 66428)



  • Original Kopparapu Recent Venus for Star HD 66428 distance : 0.642 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 66428 distance : 0.835 AU
  • Original Kopparapu Moist Greenhouse for Star HD 66428 distance : 0.849 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 66428 distance : 1.461 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 66428 distance : 1.519 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 66428)



    (Position in Stellar Map of star HD 66428 )



    (Zoomed position in Stellar Map of star HD 66428 (zoom level 3))

    (Synthetic Spectrum of star HD 11755*)
    *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