K2-261

Display orbital revolution around the star K2-261
Imaginary Picture of Star K2-261
Star Name : K2-261
Alternate Name : "EPIC 201498078, 2MASS J10520778+0029359, TYC 255-257-1, WISE J105207.76+002935.6"
Star Distance (LY/pc): 701.0640 (LY) 214.9474 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.6500 (Rsun, estimated)
Stellar Mass (Msun): 1.1000 (Msun/observed) 1.1000 (Msun/estimated)
Spectral type : G7 IV/V
Metalicity : 0.3600
Absolute Magnitude : 3.94
Apparent Magnitude : 10.60
Right Ascension(RA) : 163.03242
Declination(DEC) : 0.49335
  • This is the K2-261 . The star K2-261 islocated about 701.1 light-years (214.9 pc) away from our Solar System.
  • The star K2-261 has apparent magnitude of 10.6, with absolute magnitude of 3.9.
  • It is 1.1 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5537 with its spectral types of G7 IV/V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-261 b radius 0.850000 mass 0.223000 orbital distance 0.102000
    (Illustration of the K2-261's Planetary System)



    The Star K2-261 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.096 AU ( 163942330.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.515 AU ( 226611143.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.308 AU ( 345305233.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.397 AU ( 508131778.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-261)



    Kopparapu's Recent Venus for Star K2-261 distance : 1.152 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-261 distance : 1.459 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-261 distance : 1.409 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-261 distance : 1.545 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-261 distance : 2.594 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-261 distance : 2.736 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-261)



  • Original Kopparapu Recent Venus for Star K2-261 distance : 1.148 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-261 distance : 1.500 AU
  • Original Kopparapu Moist Greenhouse for Star K2-261 distance : 1.520 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-261 distance : 2.639 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-261 distance : 2.745 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-261)



    (Position in Stellar Map of star K2-261 )



    (Zoomed position in Stellar Map of star K2-261 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1048*)
    *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