Imaginary Picture of TOI-697 Ab

Display orbital revolution of TOI-697 Ab around the hoststar TOI-697 A
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Exoplanet Name : TOI-697 Ab
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1820 (Rjup) 2.0400 (Rearth)
Mass (Mjup / Me): 0.0161 (Mjup) 5.1201 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0814 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0236
Orbital Period(Observed/Estimated) 8.61 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2303
Star Radiation at Atmospheric Boundary: 161018.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 894.0 (K)
Blackbody T 0.3(K) 839.6 (K)
Blackbody T 0.7(K) 679.3 (K)
Tidally Locked Blackbody T 0.1(K) 1063.2 (K)
Tidally Locked Blackbody T 0.3(K) 998.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-697 A
Alternate Name :
Star Distance(LY) : 305.8
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5519 (K)
Spectral type : G5V
UV portion[%]: 7.0
Visible portion[%]: 43.4
IR portion[%]: 49.7
Metalicity : 0.0
Absolute Magnitude: 5.1
Apparent Magnitude: 10.0
Right Ascension(RA) 69.7041
Declination (DEC) -36.6814
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-697 Ab
TOI-697 Ab

  • TOI-697 Ab is an exoplanet orbiting the star TOI-697 A, located about 305.8 light-years (93.8 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star TOI-697 A has apparent magnitude of 10.0, with absolute magnitude of 5.1.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5519 with its spectral types of G5V
  • In this planetary system, the extrasolar planet TOI-697 Ab orbits around the star TOI-697 A every 8.6 days with its orbital distance of 0.08 AU ( 12172682.8 km)
  • (Projected orbit of TOI-697 Ab around its host star TOI-697 A)


  • The Star TOI-697 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.639 AU ( 95555185.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.883 AU ( 132082237.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.345 AU ( 201264099.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.980 AU ( 296168939.8 km)
  • Radiation at Planetary Boundary of TOI-697 Ab : 161018.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-697 A)



  • Kopparapu Recent Venus for Star TOI-697 A distance : 0.672 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-697 A distance : 0.851 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-697 A distance : 0.822 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-697 A distance : 0.902 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-697 A distance : 1.514 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-697 A distance : 1.597 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-697 A)



  • Original Kopparapu Recent Venus for Star TOI-697 A distance : 0.670 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-697 A distance : 0.876 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-697 A distance : 0.886 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-697 A distance : 1.541 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-697 A distance : 1.602 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-697 A)



    (Position in Stellar Map of star TOI-697 A and its Exoplanet TOI-697 Ab)



    (Zoomed position in Stellar Map of star TOI-697 A and its Exoplanet TOI-697 Ab (zoom level 3))

    (Synthetic Spectrum of star TOI-697 A*)
    *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