HIP 99770

Display orbital revolution around the star HIP 99770
Imaginary Picture of Star HIP 99770
Star Name : HIP 99770
Alternate Name : 29 Cyg
Star Distance (LY/pc): 132.8760 (LY) 40.7400 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4781 (Rsun, estimated)
Stellar Mass (Msun): 1.8500 (Msun/observed) 1.8500 (Msun/estimated)
Spectral type : A2V
Metalicity : 0.0000
Absolute Magnitude : 18.95
Apparent Magnitude : 22.00
Right Ascension(RA) : 303.63333
Declination(DEC) : 36.80639
  • This is the HIP 99770 . The star HIP 99770 islocated about 132.9 light-years (40.7 pc) away from our Solar System.
  • The star HIP 99770 has apparent magnitude of 22.0, with absolute magnitude of 18.9.
  • It is 1.9 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 8000 with its spectral types of A2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HIP 99770 b radius 0.907830 mass 16.100000 orbital distance 16.900000
    (Illustration of the HIP 99770's Planetary System)



    The Star HIP 99770 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.049 AU ( 306570983.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.833 AU ( 423761215.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.316 AU ( 645718313.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.352 AU ( 950202785.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 99770)



    Kopparapu's Recent Venus for Star HIP 99770 distance : 2.806 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HIP 99770 distance : 3.555 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HIP 99770 distance : 3.432 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HIP 99770 distance : 3.741 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HIP 99770 distance : 6.127 AU
    Kopparapu's Outer Boundary for Early Mars for Star HIP 99770 distance : 6.461 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 99770)



  • Original Kopparapu Recent Venus for Star HIP 99770 distance : 2.918 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 99770 distance : 3.628 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 99770 distance : 3.861 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 99770 distance : 6.237 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 99770 distance : 6.486 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 99770)



    (Position in Stellar Map of star HIP 99770 )



    (Zoomed position in Stellar Map of star HIP 99770 (zoom level 3))

    (Synthetic Spectrum of star HD 147018*)
    *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