K2-291

Display orbital revolution around the star K2-291
Imaginary Picture of Star K2-291
Star Name : K2-291
Alternate Name : "EPIC 247418783, 2MASS J05054699+2132552, HD 285181, TYC 1294-1233-1, WISE J050547.01+213254.0"
Star Distance (LY/pc): 291.9562 (LY) 89.5143 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9000 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G7
Metalicity : 0.0800
Absolute Magnitude : 5.24
Apparent Magnitude : 10.00
Right Ascension(RA) : 76.44579
Declination(DEC) : 21.54863
  • This is the K2-291 . The star K2-291 islocated about 292.0 light-years (89.5 pc) away from our Solar System.
  • The star K2-291 has apparent magnitude of 10.0, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5520 with its spectral types of G7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-291 b radius 0.142000 mass 0.020420 orbital distance 0.032610
    (Illustration of the K2-291's Planetary System)



    The Star K2-291 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.594 AU ( 88874828.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.821 AU ( 122848239.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.251 AU ( 187193530.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.841 AU ( 275463480.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-291)



    Kopparapu's Recent Venus for Star K2-291 distance : 0.625 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-291 distance : 0.792 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-291 distance : 0.765 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-291 distance : 0.838 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-291 distance : 1.408 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-291 distance : 1.486 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-291)



  • Original Kopparapu Recent Venus for Star K2-291 distance : 0.623 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-291 distance : 0.814 AU
  • Original Kopparapu Moist Greenhouse for Star K2-291 distance : 0.824 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-291 distance : 1.433 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-291 distance : 1.490 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-291)



    (Position in Stellar Map of star K2-291 )



    (Zoomed position in Stellar Map of star K2-291 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1076*)
    *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