Kepler-1881 A

Display orbital revolution around the star Kepler-1881 A
Imaginary Picture of Star Kepler-1881 A
Star Name : Kepler-1881 A
Alternate Name : "KIC 8758204, KOI-2823"
Star Distance (LY/pc): 3448.1538 (LY) 1057.2100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8800 (Rsun, estimated)
Stellar Mass (Msun): 0.8700 (Msun/observed) 0.8700 (Msun/estimated)
Spectral type : G9/K0V
Metalicity : -0.1400
Absolute Magnitude : 5.78
Apparent Magnitude : 15.90
Right Ascension(RA) : 293.63940
Declination(DEC) : 44.98253
  • This is the Kepler-1881 A . The star Kepler-1881 A islocated about 3448.2 light-years (1057.2 pc) away from our Solar System.
  • The star Kepler-1881 A has apparent magnitude of 15.9, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5156 with its spectral types of G9/K0V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1881 Ab radius 0.265950 mass 0.022916 orbital distance 0.536800
    (Illustration of the Kepler-1881 A's Planetary System)



    The Star Kepler-1881 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.507 AU ( 75817001.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.701 AU ( 104798908.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.067 AU ( 159690345.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.571 AU ( 234991338.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1881 A)



    Kopparapu's Recent Venus for Star Kepler-1881 A distance : 0.544 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1881 A distance : 0.689 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1881 A distance : 0.665 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1881 A distance : 0.730 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1881 A distance : 1.241 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1881 A distance : 1.309 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1881 A)



  • Original Kopparapu Recent Venus for Star Kepler-1881 A distance : 0.539 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1881 A distance : 0.709 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1881 A distance : 0.713 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1881 A distance : 1.262 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1881 A distance : 1.312 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1881 A)



    (Position in Stellar Map of star Kepler-1881 A )



    (Zoomed position in Stellar Map of star Kepler-1881 A (zoom level 3))

    (Synthetic Spectrum of star Kepler-800*)
    *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