Imaginary Picture of Kepler-169 f

Display orbital revolution of Kepler-169 f around the hoststar Kepler-169
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Exoplanet Name : Kepler-169 f
Alternate Name : "2MASS J19035997+4055095 f, K00505.05, KIC 5689351 f, KOI-505 f, KOI-505.05, WISE J190359.97+405509.7 f"
Status : Confirmed
Radius (Rjup / Re): 0.2300 (Rjup) 2.5781 (Rearth)
Mass (Mjup / Me): 0.0200 (Mjup) 6.3653 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3590 (AU) 0.3590 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2384
Orbital Period(Observed/Estimated) 87.09 (Days Obs.) 84.72 (Days Est.)
Surface Gravity (G Earth) 0.9577
Star Radiation at Atmospheric Boundary: 3305.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 338.4 (K)
Blackbody T 0.3(K) 317.8 (K)
Blackbody T 0.7(K) 257.1 (K)
Tidally Locked Blackbody T 0.1(K) 402.4 (K)
Tidally Locked Blackbody T 0.3(K) 377.9 (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 : Kepler-169
Alternate Name : "2MASS J19035997+4055095, KIC 5689351, KOI-505, WISE J190359.97+405509.7"
Star Distance(LY) : 1325.5
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5046 (K)
Spectral type : K2
UV portion[%]: 3.5
Visible portion[%]: 37.6
IR portion[%]: 58.8
Metalicity : 0.2
Absolute Magnitude: 4.7
Apparent Magnitude: 12.7
Right Ascension(RA) 285.9999
Declination (DEC) 40.9193
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-169+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-169%20f/
Kepler-169 f
Kepler-169 f
  • Kepler-169 f is an exoplanet orbiting the star Kepler-169, located about 1325.5 light-years (406.4 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-169 has apparent magnitude of 12.7, with absolute magnitude of 4.7.
  • It is 0.9 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5046 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-169 f orbits around the star Kepler-169 every 87.1 days with its orbital distance of 0.36 AU ( 53705635.6 km)
    • (Projected orbit of Kepler-169 f around its host star Kepler-169)


  • The Star Kepler-169 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.404 AU ( 60403720.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.558 AU ( 83493726.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.850 AU ( 127225962.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.251 AU ( 187218576.5 km)
  • Radiation at Planetary Boundary of Kepler-169 f : 3305.42 W/m2

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



  • Kopparapu Recent Venus for Star Kepler-169 distance : 0.436 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-169 distance : 0.552 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-169 distance : 0.533 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-169 distance : 0.585 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-169 distance : 0.998 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-169 distance : 1.053 AU

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



  • Original Kopparapu Recent Venus for Star Kepler-169 distance : 0.431 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-169 distance : 0.569 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-169 distance : 0.571 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-169 distance : 1.015 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-169 distance : 1.056 AU

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



    (Position in Stellar Map of star Kepler-169 and its Exoplanet Kepler-169 f)



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

    (Synthetic Spectrum of star Kepler-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