LHS 1140

Display orbital revolution around the star LHS 1140
Imaginary Picture of Star LHS 1140
Star Name : LHS 1140
Alternate Name :
Star Distance (LY/pc): 48.8992 (LY) 14.9926 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.1860 (Rsun, estimated)
Stellar Mass (Msun): 0.1460 (Msun/observed) 0.1460 (Msun/estimated)
Spectral type : M4.5
Metalicity : -0.2400
Absolute Magnitude : 13.27
Apparent Magnitude : 14.15
Right Ascension(RA) : 11.24721
Declination(DEC) : -15.27139
  • This is the LHS 1140 . The star LHS 1140 islocated about 48.9 light-years (15.0 pc) away from our Solar System.
  • The star LHS 1140 has apparent magnitude of 14.2, with absolute magnitude of 13.3.
  • It is 0.1 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3131 with its spectral types of M4.5
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-256 b radius 0.154070 mass 0.021960 orbital distance 0.093600
  • Name of the 2 Planet TOI-256 c radius 0.114370 mass 0.005690 orbital distance 0.026750
    (Illustration of the LHS 1140's Planetary System)



    The Star LHS 1140 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.040 AU ( 5909315.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.055 AU ( 8168218.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.083 AU ( 12446557.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.122 AU ( 18315654.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LHS 1140)



    Kopparapu's Recent Venus for Star LHS 1140 distance : 0.045 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star LHS 1140 distance : 0.057 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star LHS 1140 distance : 0.055 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star LHS 1140 distance : 0.060 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star LHS 1140 distance : 0.112 AU
    Kopparapu's Outer Boundary for Early Mars for Star LHS 1140 distance : 0.119 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LHS 1140)



  • Original Kopparapu Recent Venus for Star LHS 1140 distance : 0.045 AU
  • Original Kopparapu Runaway Greenhouse for Star LHS 1140 distance : 0.059 AU
  • Original Kopparapu Moist Greenhouse for Star LHS 1140 distance : 0.059 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS 1140 distance : 0.114 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LHS 1140 distance : 0.119 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LHS 1140)



    (Position in Stellar Map of star LHS 1140 )



    (Zoomed position in Stellar Map of star LHS 1140 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1665*)
    *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