Imaginary Picture of Kepler-168 b

Display orbital revolution of Kepler-168 b around the hoststar Kepler-168
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Exoplanet Name : Kepler-168 b
Alternate Name : "2MASS J19385044+3949303 b, K00497.02, KIC 4757437 b, KOI-497 b, KOI-497.02, WISE J193850.40+394930.4 b"
Status : Confirmed
Radius (Rjup / Re): 0.1300 (Rjup) 1.4572 (Rearth)
Mass (Mjup / Me): 0.0120 (Mjup) 3.8269 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0560 (AU) 0.0560 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0121
Orbital Period(Observed/Estimated) 4.43 (Days Obs.) 5.19 (Days Est.)
Surface Gravity (G Earth) 1.8023
Star Radiation at Atmospheric Boundary: 945039.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1391.6 (K)
Blackbody T 0.3(K) 1306.8 (K)
Blackbody T 0.7(K) 1057.4 (K)
Tidally Locked Blackbody T 0.1(K) 1654.9 (K)
Tidally Locked Blackbody T 0.3(K) 1554.1 (K)
Size Class: super-Earth-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-168
Alternate Name : "2MASS J19385044+3949303, KIC 4757437, KOI-497, WISE J193850.40+394930.4"
Star Distance(LY) : 4384.2
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5947 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.0
Absolute Magnitude: 2.8
Apparent Magnitude: 13.5
Right Ascension(RA) 294.7102
Declination (DEC) 39.8251
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-168+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-168%20b/
Kepler-168 b
Kepler-168 b

  • Kepler-168 b is an exoplanet orbiting the star Kepler-168, located about 4384.2 light-years (1344.2 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-168 has apparent magnitude of 13.5, with absolute magnitude of 2.8.
  • It is 0.9 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5947 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-168 b orbits around the star Kepler-168 every 4.4 days with its orbital distance of 0.06 AU ( 8377480.8 km)
  • (Projected orbit of Kepler-168 b around its host star Kepler-168)


  • The Star Kepler-168 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.065 AU ( 159319446.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.472 AU ( 220221110.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.243 AU ( 335568237.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.301 AU ( 493803362.1 km)
  • Radiation at Planetary Boundary of Kepler-168 b : 945039.83 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-168)



  • Kopparapu Recent Venus for Star Kepler-168 distance : 1.093 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-168 distance : 1.384 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-168 distance : 1.336 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-168 distance : 1.465 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-168 distance : 2.433 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-168 distance : 2.566 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-168)



  • Original Kopparapu Recent Venus for Star Kepler-168 distance : 1.098 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-168 distance : 1.421 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-168 distance : 1.453 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-168 distance : 2.476 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-168 distance : 2.575 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-168)



    (Position in Stellar Map of star Kepler-168 and its Exoplanet Kepler-168 b)



    (Zoomed position in Stellar Map of star Kepler-168 and its Exoplanet Kepler-168 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-168*)
    *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