Imaginary Picture of Kepler-685 b

Display orbital revolution of Kepler-685 b around the hoststar Kepler-685
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Exoplanet Name : Kepler-685 b
Alternate Name : "2MASS J19352926+3825225 b, K00801.01, KIC 3351888 b, KOI-801 b, KOI-801.01, WISE J193529.24+382522.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.9440 (Rjup) 10.5813 (Rearth)
Mass (Mjup / Me): 0.8246 (Mjup) 262.1726 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0280 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0045
Orbital Period(Observed/Estimated) 1.63 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.3416
Star Radiation at Atmospheric Boundary: 1388812.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1532.2 (K)
Blackbody T 0.3(K) 1438.9 (K)
Blackbody T 0.7(K) 1164.2 (K)
Tidally Locked Blackbody T 0.1(K) 1822.1 (K)
Tidally Locked Blackbody T 0.3(K) 1711.1 (K)
Size Class: Jupiter-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-685
Alternate Name : "2MASS J19352926+3825225, KIC 3351888, KOI-801, WISE J193529.24+382522.2"
Star Distance(LY) : 3064.3
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 5541 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.8
Apparent Magnitude: 13.7
Right Ascension(RA) 293.8719
Declination (DEC) 38.4229
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 587 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-685+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-685%20b/
Kepler-685 b
Kepler-685 b

  • Kepler-685 b is an exoplanet orbiting the star Kepler-685, located about 3064.3 light-years (939.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-685 has apparent magnitude of 13.7, with absolute magnitude of 3.8.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5541 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-685 b orbits around the star Kepler-685 every 1.6 days with its orbital distance of 0.03 AU ( 4190844.3 km)
  • (Projected orbit of Kepler-685 b around its host star Kepler-685)


  • The Star Kepler-685 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.646 AU ( 96617021.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.893 AU ( 133549972.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.360 AU ( 203500602.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.002 AU ( 299460051.9 km)
  • Radiation at Planetary Boundary of Kepler-685 b : 1388812.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-685)



  • Kopparapu Recent Venus for Star Kepler-685 distance : 0.679 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-685 distance : 0.860 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-685 distance : 0.830 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-685 distance : 0.910 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-685 distance : 1.528 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-685 distance : 1.612 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-685)



  • Original Kopparapu Recent Venus for Star Kepler-685 distance : 0.677 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-685 distance : 0.884 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-685 distance : 0.895 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-685 distance : 1.555 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-685 distance : 1.617 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-685)



    (Position in Stellar Map of star Kepler-685 and its Exoplanet Kepler-685 b)



    (Zoomed position in Stellar Map of star Kepler-685 and its Exoplanet Kepler-685 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-685*)
    *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