HD 56957

Display orbital revolution around the star HD 56957
Imaginary Picture of Star HD 56957
Star Name : HD 56957
Alternate Name :
Star Distance (LY/pc): 200.5615 (LY) 61.4925 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7770 (Rsun, estimated)
Stellar Mass (Msun): 1.0300 (Msun/observed) 1.0300 (Msun/estimated)
Spectral type : G2IV
Metalicity : 0.0000
Absolute Magnitude : 3.62
Apparent Magnitude : 7.56
Right Ascension(RA) : 109.32511
Declination(DEC) : -40.65656
  • This is the HD 56957 . The star HD 56957 islocated about 200.6 light-years (61.5 pc) away from our Solar System.
  • The star HD 56957 has apparent magnitude of 7.6, with absolute magnitude of 3.6.
  • It is 1.0 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5743 with its spectral types of G2IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 56957 b radius 0.907830 mass 5.918000 orbital distance 6.426000
    (Illustration of the HD 56957's Planetary System)



    The Star HD 56957 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.270 AU ( 189942947.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.755 AU ( 262550791.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.674 AU ( 400069303.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.935 AU ( 588719506.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 56957)



    Kopparapu's Recent Venus for Star HD 56957 distance : 1.319 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 56957 distance : 1.670 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 56957 distance : 1.613 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 56957 distance : 1.768 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 56957 distance : 2.952 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 56957 distance : 3.113 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 56957)



  • Original Kopparapu Recent Venus for Star HD 56957 distance : 1.320 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 56957 distance : 1.716 AU
  • Original Kopparapu Moist Greenhouse for Star HD 56957 distance : 1.746 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 56957 distance : 3.004 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 56957 distance : 3.124 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 56957)



    (Position in Stellar Map of star HD 56957 )



    (Zoomed position in Stellar Map of star HD 56957 (zoom level 3))

    (Synthetic Spectrum of star HD 10180*)
    *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