K2-89

Display orbital revolution around the star K2-89
Imaginary Picture of Star K2-89
Star Name : K2-89
Alternate Name : "2MASS J03481599+2027347, EPIC 210838726, WISE J034816.07+202734.3"
Star Distance (LY/pc): 281.2344 (LY) 86.2270 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3200 (Rsun, estimated)
Stellar Mass (Msun): 0.3500 (Msun/observed) 0.3500 (Msun/estimated)
Spectral type : M2
Metalicity : 0.0000
Absolute Magnitude : 6.25
Apparent Magnitude : 10.93
Right Ascension(RA) : 57.06672
Declination(DEC) : 20.45964
  • This is the K2-89 . The star K2-89 islocated about 281.2 light-years (86.2 pc) away from our Solar System.
  • The star K2-89 has apparent magnitude of 10.9, with absolute magnitude of 6.3.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3691 with its spectral types of M2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-89 b radius 0.055000 mass 0.000562 orbital distance 0.014620
    (Illustration of the K2-89's Planetary System)



    The Star K2-89 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.094 AU ( 14128504.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.131 AU ( 19529284.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.199 AU ( 29758308.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.293 AU ( 43790654.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-89)



    Kopparapu's Recent Venus for Star K2-89 distance : 0.106 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-89 distance : 0.135 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-89 distance : 0.130 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-89 distance : 0.142 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-89 distance : 0.260 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-89 distance : 0.274 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-89)



  • Original Kopparapu Recent Venus for Star K2-89 distance : 0.105 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-89 distance : 0.139 AU
  • Original Kopparapu Moist Greenhouse for Star K2-89 distance : 0.139 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-89 distance : 0.264 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-89 distance : 0.274 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-89)



    (Position in Stellar Map of star K2-89 )



    (Zoomed position in Stellar Map of star K2-89 (zoom level 3))

    (Synthetic Spectrum of star Kepler-899*)
    *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