TOI-270

Display orbital revolution around the star TOI-270
Imaginary Picture of Star TOI-270
Star Name : TOI-270
Alternate Name :
Star Distance (LY/pc): 73.2318 (LY) 22.4530 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3800 (Rsun, estimated)
Stellar Mass (Msun): 0.4000 (Msun/observed) 0.4000 (Msun/estimated)
Spectral type : M3.0V
Metalicity : -0.1700
Absolute Magnitude : 10.84
Apparent Magnitude : 12.60
Right Ascension(RA) : 68.41667
Declination(DEC) : -51.95611
  • This is the TOI-270 . The star TOI-270 islocated about 73.2 light-years (22.5 pc) away from our Solar System.
  • The star TOI-270 has apparent magnitude of 12.6, with absolute magnitude of 10.8.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3386 with its spectral types of M3.0V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet TOI-270 b radius 0.111250 mass 0.004660 orbital distance 0.030600
  • Name of the 2 Planet TOI-270 c radius 0.207900 mass 0.019500 orbital distance 0.047200
  • Name of the 3 Planet TOI-270 d radius 0.190000 mass 0.013200 orbital distance 0.073300
    (Illustration of the TOI-270's Planetary System)



    The Star TOI-270 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.094 AU ( 14119379.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.130 AU ( 19516672.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.199 AU ( 29739089.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.293 AU ( 43762373.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-270)



    Kopparapu's Recent Venus for Star TOI-270 distance : 0.107 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-270 distance : 0.135 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-270 distance : 0.130 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-270 distance : 0.143 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-270 distance : 0.264 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-270 distance : 0.279 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-270)



  • Original Kopparapu Recent Venus for Star TOI-270 distance : 0.106 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-270 distance : 0.140 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-270 distance : 0.140 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-270 distance : 0.269 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-270 distance : 0.279 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-270)



    (Position in Stellar Map of star TOI-270 )



    (Zoomed position in Stellar Map of star TOI-270 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1670*)
    *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