Imaginary Picture of Kepler-923 b

Display orbital revolution of Kepler-923 b around the hoststar Kepler-923
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Exoplanet Name : Kepler-923 b
Alternate Name : "2MASS J19364106+4003186 b, K01665.01, KIC 4932442 b, KOI-1665 b, KOI-1665.01, WISE J193641.06+400318.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1230 (Rjup) 1.3787 (Rearth)
Mass (Mjup / Me): 0.0098 (Mjup) 3.1252 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0737 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0190
Orbital Period(Observed/Estimated) 6.93 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6441
Star Radiation at Atmospheric Boundary: 502622.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1188.4 (K)
Blackbody T 0.3(K) 1116.0 (K)
Blackbody T 0.7(K) 903.0 (K)
Tidally Locked Blackbody T 0.1(K) 1413.2 (K)
Tidally Locked Blackbody T 0.3(K) 1327.2 (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-923
Alternate Name : "2MASS J19364106+4003186, KIC 4932442, KOI-1665, WISE J193641.06+400318.5"
Star Distance(LY) : 3261.2
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5987 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.0
Apparent Magnitude: 13.0
Right Ascension(RA) 294.1711
Declination (DEC) 40.0552
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 749 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-923&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-923%20b/
Kepler-923 b
Kepler-923 b

  • Kepler-923 b is an exoplanet orbiting the star Kepler-923, located about 3261.2 light-years (999.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-923 has apparent magnitude of 13.0, with absolute magnitude of 3.0.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5987 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-923 b orbits around the star Kepler-923 every 6.9 days with its orbital distance of 0.07 AU ( 11022534.9 km)
  • (Projected orbit of Kepler-923 b around its host star Kepler-923)


  • The Star Kepler-923 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.022 AU ( 152873608.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.413 AU ( 211311278.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.152 AU ( 321991624.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.167 AU ( 473824781.4 km)
  • Radiation at Planetary Boundary of Kepler-923 b : 502621.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-923)



  • Kopparapu Recent Venus for Star Kepler-923 distance : 1.046 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-923 distance : 1.324 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-923 distance : 1.279 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-923 distance : 1.402 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-923 distance : 2.327 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-923 distance : 2.454 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-923)



  • Original Kopparapu Recent Venus for Star Kepler-923 distance : 1.052 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-923 distance : 1.360 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-923 distance : 1.392 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-923 distance : 2.368 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-923 distance : 2.462 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-923)



    (Position in Stellar Map of star Kepler-923 and its Exoplanet Kepler-923 b)



    (Zoomed position in Stellar Map of star Kepler-923 and its Exoplanet Kepler-923 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-923*)
    *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