Young Sun
Imaginary Picture of Star Young Sun
Star Name : Young Sun
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): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G3
Metalicity : 0.0122
Absolute Magnitude : 25.00
Apparent Magnitude : 22.00
Right Ascension(RA) : 0.00000
Declination(DEC) : 0.00000
  • The star Young Sun has apparent magnitude of 22.0, 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 5672 with its spectral types of G3
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet ASol d (Hadean Earth) radius 0.089215 mass 0.003146 orbital distance 1.000000
  • Name of the 2 Planet ASol e (Noachian Mars) radius 0.047505 mass 0.000338 orbital distance 1.523662
    (Illustration of the Young Sun's Planetary System)



    The Star Young Sun 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.627 AU ( 93836773.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.867 AU ( 129706943.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.321 AU ( 197644677.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.944 AU ( 290842801.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Young Sun)



    Kopparapu's Recent Venus for Star Young Sun distance : 0.654 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Young Sun distance : 0.828 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Young Sun distance : 0.800 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Young Sun distance : 0.877 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Young Sun distance : 1.467 AU
    Kopparapu's Outer Boundary for Early Mars for Star Young Sun distance : 1.548 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Young Sun)



  • Original Kopparapu Recent Venus for Star Young Sun distance : 0.654 AU
  • Original Kopparapu Runaway Greenhouse for Star Young Sun distance : 0.852 AU
  • Original Kopparapu Moist Greenhouse for Star Young Sun distance : 0.865 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Young Sun distance : 1.493 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Young Sun distance : 1.553 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Young Sun)



    (Position in Stellar Map of star Young Sun )



    (Zoomed position in Stellar Map of star Young Sun (zoom level 3))