HD 260655

Display orbital revolution around the star HD 260655
Imaginary Picture of Star HD 260655
Star Name : HD 260655
Alternate Name : "TOI-4599, GJ 239"
Star Distance (LY/pc): 32.6078 (LY) 9.9976 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4390 (Rsun, estimated)
Stellar Mass (Msun): 0.4390 (Msun/observed) 0.4390 (Msun/estimated)
Spectral type : MOV
Metalicity : -0.4300
Absolute Magnitude : 9.80
Apparent Magnitude : 9.80
Right Ascension(RA) : 99.29583
Declination(DEC) : 17.56472
  • This is the HD 260655 . The star HD 260655 islocated about 32.6 light-years (10.0 pc) away from our Solar System.
  • The star HD 260655 has apparent magnitude of 9.8, with absolute magnitude of 9.8.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3803 with its spectral types of MOV
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 260655 b radius 0.110600 mass 0.006730 orbital distance 0.029330
  • Name of the 2 Planet HD 260655 c radius 0.136770 mass 0.009720 orbital distance 0.047490
    (Illustration of the HD 260655's Planetary System)



    The Star HD 260655 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.138 AU ( 20576679.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.190 AU ( 28442347.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.290 AU ( 43339843.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.426 AU ( 63776478.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 260655)



    Kopparapu's Recent Venus for Star HD 260655 distance : 0.155 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 260655 distance : 0.196 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 260655 distance : 0.189 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 260655 distance : 0.207 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 260655 distance : 0.375 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 260655 distance : 0.396 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 260655)



  • Original Kopparapu Recent Venus for Star HD 260655 distance : 0.153 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 260655 distance : 0.203 AU
  • Original Kopparapu Moist Greenhouse for Star HD 260655 distance : 0.202 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 260655 distance : 0.381 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 260655 distance : 0.396 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 260655)



    (Position in Stellar Map of star HD 260655 )



    (Zoomed position in Stellar Map of star HD 260655 (zoom level 3))

    (Synthetic Spectrum of star HD 118865 A*)
    *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