Kepler-91

Display orbital revolution around the star Kepler-91
Imaginary Picture of Star Kepler-91
Star Name : Kepler-91
Alternate Name : "2MASS J19024148+4407002, KIC 8219268, KOI-2133, WISE J190241.49+440700.3"
Star Distance (LY/pc): 4385.3631 (LY) 1344.5600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 6.3000 (Rsun, estimated)
Stellar Mass (Msun): 1.3100 (Msun/observed) 1.3100 (Msun/estimated)
Spectral type : K3
Metalicity : 0.1100
Absolute Magnitude : 2.26
Apparent Magnitude : 12.90
Right Ascension(RA) : 285.67287
Declination(DEC) : 44.11673
  • This is the Kepler-91 . The star Kepler-91 islocated about 4385.4 light-years (1344.6 pc) away from our Solar System.
  • The star Kepler-91 has apparent magnitude of 12.9, with absolute magnitude of 2.3.
  • It is 1.3 times more massive and 6.3 times bigger compared with our Sun. The surface temperature is 4550 with its spectral types of K3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-91 b radius 1.367000 mass 0.810000 orbital distance 0.073100
    (Illustration of the Kepler-91's Planetary System)



    The Star Kepler-91 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.826 AU ( 422689495.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.906 AU ( 584267345.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.951 AU ( 890294135.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.758 AU ( 1310106821.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-91)



    Kopparapu's Recent Venus for Star Kepler-91 distance : 3.115 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-91 distance : 3.944 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-91 distance : 3.809 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-91 distance : 4.176 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-91 distance : 7.288 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-91 distance : 7.688 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-91)



  • Original Kopparapu Recent Venus for Star Kepler-91 distance : 3.074 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-91 distance : 4.071 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-91 distance : 4.067 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-91 distance : 7.407 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-91 distance : 7.703 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-91)



    (Position in Stellar Map of star Kepler-91 )



    (Zoomed position in Stellar Map of star Kepler-91 (zoom level 3))

    (Synthetic Spectrum of star HD 240210*)
    *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