Imaginary Picture of TOI-717 b

Display orbital revolution of TOI-717 b around the hoststar TOI-717
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Exoplanet Name : TOI-717 b
Alternate Name :
Radius (Rjup / Re): 0.0000 (Rjup) 0.0000 (Rearth)
Mass (Mjup / Me): 0.0000 (Mjup) 0.0000 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0117 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0014
Orbital Period(Observed/Estimated) 0.51 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) nan
Star Radiation at Atmospheric Boundary: 110572.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 813.9 (K)
Blackbody T 0.3(K) 764.3 (K)
Blackbody T 0.7(K) 618.4 (K)
Tidally Locked Blackbody T 0.1(K) 967.9 (K)
Tidally Locked Blackbody T 0.3(K) 908.9 (K)
Size Class: Asteroid-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-717
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.3 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3427 (K)
Spectral type : M5
UV portion[%]: 0.3
Visible portion[%]: 12.4
IR portion[%]: 87.3
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 11.4
Right Ascension(RA) 147.9875
Declination (DEC) 2.1169
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
TOI-717 b
TOI-717 b

  • TOI-717 b is an exoplanet orbiting the star TOI-717. Its discovery was publicly announced on 2020.
  • The host star TOI-717 has apparent magnitude of 11.4, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3427 with its spectral types of M5
  • In this planetary system, the extrasolar planet TOI-717 b orbits around the star TOI-717 every 0.5 days with its orbital distance of 0.01 AU ( 1744437.3 km)
  • (Projected orbit of TOI-717 b around its host star TOI-717)


  • The Star TOI-717 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.076 AU ( 11347744.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.105 AU ( 15685547.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.160 AU ( 23901303.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.235 AU ( 35171815.2 km)
  • Radiation at Planetary Boundary of TOI-717 b : 110572.66 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-717)



  • Kopparapu Recent Venus for Star TOI-717 distance : 0.086 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-717 distance : 0.109 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-717 distance : 0.105 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-717 distance : 0.115 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-717 distance : 0.212 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-717 distance : 0.224 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-717)



  • Original Kopparapu Recent Venus for Star TOI-717 distance : 0.085 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-717 distance : 0.112 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-717 distance : 0.113 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-717 distance : 0.215 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-717 distance : 0.224 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-717)



    (Position in Stellar Map of star TOI-717 and its Exoplanet TOI-717 b)



    (Zoomed position in Stellar Map of star TOI-717 and its Exoplanet TOI-717 b (zoom level 3))

    (Synthetic Spectrum of star TOI-717*)
    *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