Imaginary Picture of Kepler-694 b

Display orbital revolution of Kepler-694 b around the hoststar Kepler-694
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Exoplanet Name : Kepler-694 b
Alternate Name : "2MASS J19243588+4025138 b, K00826.01, KIC 5272878 b, KOI-826 b, KOI-826.01, WISE J192435.87+402513.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.2500 (Rjup) 2.8022 (Rearth)
Mass (Mjup / Me): 0.0216 (Mjup) 6.8785 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0665 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0174
Orbital Period(Observed/Estimated) 6.37 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8760
Star Radiation at Atmospheric Boundary: 276592.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1023.5 (K)
Blackbody T 0.3(K) 961.2 (K)
Blackbody T 0.7(K) 777.7 (K)
Tidally Locked Blackbody T 0.1(K) 1217.2 (K)
Tidally Locked Blackbody T 0.3(K) 1143.1 (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-694
Alternate Name : "2MASS J19243588+4025138, KIC 5272878, KOI-826, WISE J192435.87+402513.7"
Star Distance(LY) : 3338.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.1 (GY)
Temperature : 5789 (K)
Spectral type : G4
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 48.0
Metalicity : 0.0
Absolute Magnitude: 3.8
Apparent Magnitude: 13.9
Right Ascension(RA) 291.1495
Declination (DEC) 40.4205
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 590 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-694%20b/
Kepler-694 b
Kepler-694 b

  • Kepler-694 b is an exoplanet orbiting the star Kepler-694, located about 3338.7 light-years (1023.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-694 has apparent magnitude of 13.9, with absolute magnitude of 3.8.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5789 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-694 b orbits around the star Kepler-694 every 6.4 days with its orbital distance of 0.07 AU ( 9954659.1 km)
  • (Projected orbit of Kepler-694 b around its host star Kepler-694)


  • The Star Kepler-694 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.685 AU ( 102418144.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.946 AU ( 141568641.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.442 AU ( 215719279.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.122 AU ( 317440370.4 km)
  • Radiation at Planetary Boundary of Kepler-694 b : 276592.52 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-694)



  • Kopparapu Recent Venus for Star Kepler-694 distance : 0.709 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-694 distance : 0.898 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-694 distance : 0.867 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-694 distance : 0.951 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-694 distance : 1.585 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-694 distance : 1.672 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-694)



  • Original Kopparapu Recent Venus for Star Kepler-694 distance : 0.710 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-694 distance : 0.923 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-694 distance : 0.940 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-694 distance : 1.613 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-694 distance : 1.678 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-694)



    (Position in Stellar Map of star Kepler-694 and its Exoplanet Kepler-694 b)



    (Zoomed position in Stellar Map of star Kepler-694 and its Exoplanet Kepler-694 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-694*)
    *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