HD 29021

Display orbital revolution around the star HD 29021
Imaginary Picture of Star HD 29021
Star Name : HD 29021
Alternate Name : 2MASS J04375221+6040344
Star Distance (LY/pc): 99.8037 (LY) 30.6000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8500 (Rsun, estimated)
Stellar Mass (Msun): 0.8500 (Msun/observed) 0.8500 (Msun/estimated)
Spectral type : G5
Metalicity : -0.2400
Absolute Magnitude : 5.33
Apparent Magnitude : 7.76
Right Ascension(RA) : 69.46759
Declination(DEC) : 60.67619
  • This is the HD 29021 . The star HD 29021 islocated about 99.8 light-years (30.6 pc) away from our Solar System.
  • The star HD 29021 has apparent magnitude of 7.8, with absolute magnitude of 5.3.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5560 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 29021 b radius 0.907830 mass 2.400000 orbital distance 2.280000
    (Illustration of the HD 29021's Planetary System)



    The Star HD 29021 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.569 AU ( 85158229.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.787 AU ( 117710927.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.199 AU ( 179365403.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.764 AU ( 263944048.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 29021)



    Kopparapu's Recent Venus for Star HD 29021 distance : 0.598 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 29021 distance : 0.757 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 29021 distance : 0.731 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 29021 distance : 0.802 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 29021 distance : 1.345 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 29021 distance : 1.418 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 29021)



  • Original Kopparapu Recent Venus for Star HD 29021 distance : 0.596 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 29021 distance : 0.778 AU
  • Original Kopparapu Moist Greenhouse for Star HD 29021 distance : 0.789 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 29021 distance : 1.368 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 29021 distance : 1.423 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 29021)



    (Position in Stellar Map of star HD 29021 )



    (Zoomed position in Stellar Map of star HD 29021 (zoom level 3))

    (Synthetic Spectrum of star HD 142 A*)
    *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