TOI-251

Display orbital revolution around the star TOI-251
Imaginary Picture of Star TOI-251
Star Name : TOI-251
Alternate Name :
Star Distance (LY/pc): 324.5905 (LY) 99.5200 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8810 (Rsun, estimated)
Stellar Mass (Msun): 1.0360 (Msun/observed) 1.0360 (Msun/estimated)
Spectral type : G1
Metalicity : -0.1060
Absolute Magnitude : 4.91
Apparent Magnitude : 9.90
Right Ascension(RA) : 353.06250
Declination(DEC) : -37.25583
  • This is the TOI-251 . The star TOI-251 islocated about 324.6 light-years (99.5 pc) away from our Solar System.
  • The star TOI-251 has apparent magnitude of 9.9, with absolute magnitude of 4.9.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5875 with its spectral types of G1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-251 b radius 0.244400 mass 1.000000 orbital distance 0.057410
    (Illustration of the TOI-251's Planetary System)



    The Star TOI-251 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.659 AU ( 98548442.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.911 AU ( 136219700.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.388 AU ( 207568678.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.042 AU ( 305446403.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-251)



    Kopparapu's Recent Venus for Star TOI-251 distance : 0.679 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-251 distance : 0.860 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-251 distance : 0.830 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-251 distance : 0.910 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-251 distance : 1.514 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-251 distance : 1.597 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-251)



  • Original Kopparapu Recent Venus for Star TOI-251 distance : 0.681 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-251 distance : 0.883 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-251 distance : 0.901 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-251 distance : 1.541 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-251 distance : 1.602 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-251)



    (Position in Stellar Map of star TOI-251 )



    (Zoomed position in Stellar Map of star TOI-251 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1664*)
    *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