Imaginary Picture of Kepler-1694 b

Display orbital revolution of Kepler-1694 b around the hoststar Kepler-1694
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Exoplanet Name : Kepler-1694 b
Alternate Name : "2MASS J19351045+4014273 b, K02878.01, KIC 5106313 b, KOI-2878 b, KOI-2878.01, WISE J193510.46+401427.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1050 (Rjup) 1.1769 (Rearth)
Mass (Mjup / Me): 0.0055 (Mjup) 1.7584 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0426 (AU) 0.0426 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0107
Orbital Period(Observed/Estimated) 3.90 (Days Obs.) 3.91 (Days Est.)
Surface Gravity (G Earth) 1.2694
Star Radiation at Atmospheric Boundary: 211678.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 957.3 (K)
Blackbody T 0.3(K) 899.0 (K)
Blackbody T 0.7(K) 727.4 (K)
Tidally Locked Blackbody T 0.1(K) 1138.5 (K)
Tidally Locked Blackbody T 0.3(K) 1069.1 (K)
Size Class: 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-1694
Alternate Name : "5106313, 2MASS J19351045+4014273, KIC 5106313, KOI-2878, WISE J193510.46+401427.5"
Star Distance(LY) : 1699.3
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4958 (K)
Spectral type : K2
UV portion[%]: 3.0
Visible portion[%]: 36.6
IR portion[%]: 60.3
Metalicity : -0.6
Absolute Magnitude: 5.9
Apparent Magnitude: 14.4
Right Ascension(RA) 293.7936
Declination (DEC) 40.2409
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1694+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-1694 b
Kepler-1694 b

  • Kepler-1694 b is an exoplanet orbiting the star Kepler-1694, located about 1699.3 light-years (521.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Kepler-1694 has apparent magnitude of 14.4, with absolute magnitude of 5.9.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4958 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-1694 b orbits around the star Kepler-1694 every 3.9 days with its orbital distance of 0.04 AU ( 6372869.3 km)
  • (Projected orbit of Kepler-1694 b around its host star Kepler-1694)


  • The Star Kepler-1694 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.383 AU ( 57359275.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.530 AU ( 79285507.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.808 AU ( 120813568.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.188 AU ( 177782458.1 km)
  • Radiation at Planetary Boundary of Kepler-1694 b : 211678.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1694)



  • Kopparapu Recent Venus for Star Kepler-1694 distance : 0.416 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1694 distance : 0.526 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1694 distance : 0.508 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1694 distance : 0.558 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1694 distance : 0.955 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1694 distance : 1.008 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1694)



  • Original Kopparapu Recent Venus for Star Kepler-1694 distance : 0.411 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1694 distance : 0.542 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1694 distance : 0.544 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1694 distance : 0.971 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1694 distance : 1.010 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1694)



    (Position in Stellar Map of star Kepler-1694 and its Exoplanet Kepler-1694 b)



    (Zoomed position in Stellar Map of star Kepler-1694 and its Exoplanet Kepler-1694 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1694*)
    *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