TOI-402

Display orbital revolution around the star TOI-402
Imaginary Picture of Star TOI-402
Star Name : TOI-402
Alternate Name : HD 15337
Star Distance (LY/pc): 146.3136 (LY) 44.8600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8390 (Rsun, estimated)
Stellar Mass (Msun): 0.8510 (Msun/observed) 0.8510 (Msun/estimated)
Spectral type : K1
Metalicity : 0.0300
Absolute Magnitude : 5.84
Apparent Magnitude : 9.10
Right Ascension(RA) : 36.86825
Declination(DEC) : -27.63518
  • This is the TOI-402 . The star TOI-402 islocated about 146.3 light-years (44.9 pc) away from our Solar System.
  • The star TOI-402 has apparent magnitude of 9.1, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5131 with its spectral types of K1
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-402 b radius 0.157900 mass 0.020510 orbital distance 0.052450
  • Name of the 2 Planet TOI-402 c radius 0.225360 mass 0.021360 orbital distance 0.123500
    (Illustration of the TOI-402's Planetary System)



    The Star TOI-402 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.479 AU ( 71585341.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.661 AU ( 98949649.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.008 AU ( 150777368.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.483 AU ( 221875503.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-402)



    Kopparapu's Recent Venus for Star TOI-402 distance : 0.514 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-402 distance : 0.651 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-402 distance : 0.629 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-402 distance : 0.690 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-402 distance : 1.174 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-402 distance : 1.239 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-402)



  • Original Kopparapu Recent Venus for Star TOI-402 distance : 0.510 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-402 distance : 0.671 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-402 distance : 0.674 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-402 distance : 1.194 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-402 distance : 1.242 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-402)



    (Position in Stellar Map of star TOI-402 )



    (Zoomed position in Stellar Map of star TOI-402 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1677*)
    *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