LP 261-75

Display orbital revolution around the star LP 261-75
Imaginary Picture of Star LP 261-75
Star Name : LP 261-75
Alternate Name : "2MASS J09510459+3558098, NLTT 22741"
Star Distance (LY/pc): 110.7626 (LY) 33.9600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.2474 (Rsun, estimated)
Stellar Mass (Msun): 0.2200 (Msun/observed) 0.2200 (Msun/estimated)
Spectral type : M4.5
Metalicity : 0.0000
Absolute Magnitude : 12.68
Apparent Magnitude : 15.33
Right Ascension(RA) : 147.76907
Declination(DEC) : 35.96930
  • This is the LP 261-75 . The star LP 261-75 islocated about 110.8 light-years (34.0 pc) away from our Solar System.
  • The star LP 261-75 has apparent magnitude of 15.3, with absolute magnitude of 12.7.
  • It is 0.2 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3400 with its spectral types of M4.5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet LP 261-75 b radius 0.907830 mass 21.000000 orbital distance 450.000000
    (Illustration of the LP 261-75's Planetary System)



    The Star LP 261-75 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.062 AU ( 9270494.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.086 AU ( 12814246.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.131 AU ( 19526076.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.192 AU ( 28733476.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LP 261-75)



    Kopparapu's Recent Venus for Star LP 261-75 distance : 0.121 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star LP 261-75 distance : 0.154 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star LP 261-75 distance : 0.148 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star LP 261-75 distance : 0.162 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star LP 261-75 distance : 0.300 AU
    Kopparapu's Outer Boundary for Early Mars for Star LP 261-75 distance : 0.317 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LP 261-75)



  • Original Kopparapu Recent Venus for Star LP 261-75 distance : 0.120 AU
  • Original Kopparapu Runaway Greenhouse for Star LP 261-75 distance : 0.159 AU
  • Original Kopparapu Moist Greenhouse for Star LP 261-75 distance : 0.159 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LP 261-75 distance : 0.305 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LP 261-75 distance : 0.317 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LP 261-75)



    (Position in Stellar Map of star LP 261-75 )



    (Zoomed position in Stellar Map of star LP 261-75 (zoom level 3))

    (Synthetic Spectrum of star Kepler-991*)
    *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