Imaginary Picture of TOI-169 b

Display orbital revolution of TOI-169 b around the hoststar TOI-169
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Exoplanet Name : TOI-169 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0860 (Rjup) 12.1730 (Rearth)
Mass (Mjup / Me): 0.7910 (Mjup) 251.4890 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0352 (AU) 0.0352 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0062
Orbital Period(Observed/Estimated) 2.26 (Days Obs.) 2.26 (Days Est.)
Surface Gravity (G Earth) 1.6972
Star Radiation at Atmospheric Boundary: 1958276.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1669.6 (K)
Blackbody T 0.3(K) 1567.9 (K)
Blackbody T 0.7(K) 1268.6 (K)
Tidally Locked Blackbody T 0.1(K) 1985.5 (K)
Tidally Locked Blackbody T 0.3(K) 1864.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-169
Alternate Name :
Star Distance(LY) : 1345.4
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5880 (K)
Spectral type : G1V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.2
Absolute Magnitude: 4.3
Apparent Magnitude: 12.4
Right Ascension(RA) 16.7792
Declination (DEC) -75.1989
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-169 b
TOI-169 b

  • TOI-169 b is an exoplanet orbiting the star TOI-169, located about 1345.4 light-years (412.5 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star TOI-169 has apparent magnitude of 12.4, with absolute magnitude of 4.3.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5880 with its spectral types of G1V
  • In this planetary system, the extrasolar planet TOI-169 b orbits around the star TOI-169 every 2.3 days with its orbital distance of 0.04 AU ( 5271829.0 km)
  • (Projected orbit of TOI-169 b around its host star TOI-169)


  • The Star TOI-169 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.965 AU ( 144320700.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.334 AU ( 199488923.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.032 AU ( 303976972.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.990 AU ( 447315431.2 km)
  • Radiation at Planetary Boundary of TOI-169 b : 1958276.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-169)



  • Kopparapu Recent Venus for Star TOI-169 distance : 0.994 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-169 distance : 1.258 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-169 distance : 1.215 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-169 distance : 1.332 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-169 distance : 2.216 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-169 distance : 2.338 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-169)



  • Original Kopparapu Recent Venus for Star TOI-169 distance : 0.997 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-169 distance : 1.293 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-169 distance : 1.319 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-169 distance : 2.256 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-169 distance : 2.346 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-169)



    (Position in Stellar Map of star TOI-169 and its Exoplanet TOI-169 b)



    (Zoomed position in Stellar Map of star TOI-169 and its Exoplanet TOI-169 b (zoom level 3))

    (Synthetic Spectrum of star TOI-169*)
    *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