K2-87

Display orbital revolution around the star K2-87
Imaginary Picture of Star K2-87
Star Name : K2-87
Alternate Name : "2MASS J04245669+1849387, EPIC 210731500, WISE J042456.71+184938.6"
Star Distance (LY/pc): 1627.2002 (LY) 498.9024 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4000 (Rsun, estimated)
Stellar Mass (Msun): 1.1600 (Msun/observed) 1.1600 (Msun/estimated)
Spectral type : G3
Metalicity : 0.3280
Absolute Magnitude : 3.32
Apparent Magnitude : 11.81
Right Ascension(RA) : 66.23622
Declination(DEC) : 18.82742
  • This is the K2-87 . The star K2-87 islocated about 1627.2 light-years (498.9 pc) away from our Solar System.
  • The star K2-87 has apparent magnitude of 11.8, with absolute magnitude of 3.3.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5747 with its spectral types of G3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-87 b radius 0.678000 mass 0.119200 orbital distance 0.094000
    (Illustration of the K2-87's Planetary System)



    The Star K2-87 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.002 AU ( 149854069.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.385 AU ( 207137486.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.110 AU ( 315631689.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.105 AU ( 464465857.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-87)



    Kopparapu's Recent Venus for Star K2-87 distance : 1.040 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-87 distance : 1.317 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-87 distance : 1.272 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-87 distance : 1.395 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-87 distance : 2.328 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-87 distance : 2.455 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-87)



  • Original Kopparapu Recent Venus for Star K2-87 distance : 1.041 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-87 distance : 1.354 AU
  • Original Kopparapu Moist Greenhouse for Star K2-87 distance : 1.377 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-87 distance : 2.369 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-87 distance : 2.463 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-87)



    (Position in Stellar Map of star K2-87 )



    (Zoomed position in Stellar Map of star K2-87 (zoom level 3))

    (Synthetic Spectrum of star Kepler-897*)
    *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