K2-285

Display orbital revolution around the star K2-285
Imaginary Picture of Star K2-285
Star Name : K2-285
Alternate Name : "EPIC 246471491, 2MASS J23173222+0118010, WISE J231732.23+011800.6"
Star Distance (LY/pc): 506.7052 (LY) 155.3567 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7900 (Rsun, estimated)
Stellar Mass (Msun): 0.8300 (Msun/observed) 0.8300 (Msun/estimated)
Spectral type : K2 V
Metalicity : 0.0000
Absolute Magnitude : 6.07
Apparent Magnitude : 12.03
Right Ascension(RA) : 349.38428
Declination(DEC) : 1.30029
  • This is the K2-285 . The star K2-285 islocated about 506.7 light-years (155.4 pc) away from our Solar System.
  • The star K2-285 has apparent magnitude of 12.0, with absolute magnitude of 6.1.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4975 with its spectral types of K2 V
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet K2-285 b radius 0.231000 mass 0.030460 orbital distance 0.038170
  • Name of the 2 Planet K2-285 c radius 0.315000 mass 0.049330 orbital distance 0.082400
  • Name of the 3 Planet K2-285 d radius 0.221000 mass 0.020450 orbital distance 0.117800
  • Name of the 4 Planet K2-285 e radius 0.174000 mass 0.033670 orbital distance 0.180410
    (Illustration of the K2-285's Planetary System)



    The Star K2-285 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.424 AU ( 63368200.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.586 AU ( 87591413.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.892 AU ( 133469929.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.313 AU ( 196406848.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-285)



    Kopparapu's Recent Venus for Star K2-285 distance : 0.459 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-285 distance : 0.581 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-285 distance : 0.561 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-285 distance : 0.615 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-285 distance : 1.054 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-285 distance : 1.112 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-285)



  • Original Kopparapu Recent Venus for Star K2-285 distance : 0.454 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-285 distance : 0.599 AU
  • Original Kopparapu Moist Greenhouse for Star K2-285 distance : 0.600 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-285 distance : 1.071 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-285 distance : 1.114 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-285)



    (Position in Stellar Map of star K2-285 )



    (Zoomed position in Stellar Map of star K2-285 (zoom level 3))

    (Synthetic Spectrum of star Kepler-949*)
    *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