K2-157

Display orbital revolution around the star K2-157
Imaginary Picture of Star K2-157
Star Name : K2-157
Alternate Name : "2MASS J12150031-0546550, EPIC 201130233, WISE J121500.34-054655.2"
Star Distance (LY/pc): 981.3382 (LY) 300.8800 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8800 (Rsun, estimated)
Stellar Mass (Msun): 0.9400 (Msun/observed) 0.9400 (Msun/estimated)
Spectral type : G7
Metalicity : 0.1300
Absolute Magnitude : 4.01
Apparent Magnitude : 11.40
Right Ascension(RA) : 183.75134
Declination(DEC) : -5.78199
  • This is the K2-157 . The star K2-157 islocated about 981.3 light-years (300.9 pc) away from our Solar System.
  • The star K2-157 has apparent magnitude of 11.4, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5456 with its spectral types of G7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-157 b radius 0.094000 mass 0.003712 orbital distance 0.000000
    (Illustration of the K2-157's Planetary System)



    The Star K2-157 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.567 AU ( 84896445.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.784 AU ( 117349073.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.195 AU ( 178814019.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.759 AU ( 263132662.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-157)



    Kopparapu's Recent Venus for Star K2-157 distance : 0.599 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-157 distance : 0.759 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-157 distance : 0.733 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-157 distance : 0.804 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-157 distance : 1.353 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-157 distance : 1.427 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-157)



  • Original Kopparapu Recent Venus for Star K2-157 distance : 0.597 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-157 distance : 0.781 AU
  • Original Kopparapu Moist Greenhouse for Star K2-157 distance : 0.789 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-157 distance : 1.376 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-157 distance : 1.431 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-157)



    (Position in Stellar Map of star K2-157 )



    (Zoomed position in Stellar Map of star K2-157 (zoom level 3))

    (Synthetic Spectrum of star Kepler-874*)
    *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