Imaginary Picture of Kepler-185 c

Display orbital revolution of Kepler-185 c around the hoststar Kepler-185
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Exoplanet Name : Kepler-185 c
Alternate Name : "2MASS J18495234+4353236 c, K00569.01, KIC 8008206 c, KOI-569 c, KOI-569.01, WISE J184952.35+435323.8 c"
Radius (Rjup / Re): 0.1800 (Rjup) 2.0176 (Rearth)
Mass (Mjup / Me): 0.0159 (Mjup) 5.0677 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1390 (AU) 0.1390 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0568
Orbital Period(Observed/Estimated) 20.73 (Days Obs.) 21.30 (Days Est.)
Surface Gravity (G Earth) 1.2449
Star Radiation at Atmospheric Boundary: 21534.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 540.7 (K)
Blackbody T 0.3(K) 507.7 (K)
Blackbody T 0.7(K) 410.8 (K)
Tidally Locked Blackbody T 0.1(K) 643.0 (K)
Tidally Locked Blackbody T 0.3(K) 603.8 (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-185
Alternate Name : "2MASS J18495234+4353236, KIC 8008206, KOI-569, WISE J184952.35+435323.8"
Star Distance(LY) : 1521.8
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5037 (K)
Spectral type : K0
UV portion[%]: 5.1
Visible portion[%]: 40.3
IR portion[%]: 54.7
Metalicity : -0.1
Absolute Magnitude: 4.7
Apparent Magnitude: 13.1
Right Ascension(RA) 282.4681
Declination (DEC) 43.8899
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-185+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-185%20c/
Kepler-185 c
Kepler-185 c

  • Kepler-185 c is an exoplanet orbiting the star Kepler-185, located about 1521.8 light-years (466.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-185 has apparent magnitude of 13.1, with absolute magnitude of 4.7.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5037 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-185 c orbits around the star Kepler-185 every 20.7 days with its orbital distance of 0.14 AU ( 20794104.0 km)
  • (Projected orbit of Kepler-185 c around its host star Kepler-185)


  • The Star Kepler-185 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.399 AU ( 59695093.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.552 AU ( 82514219.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.840 AU ( 125733409.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.237 AU ( 185022220.1 km)
  • Radiation at Planetary Boundary of Kepler-185 c : 21534.57 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-185)



  • Kopparapu Recent Venus for Star Kepler-185 distance : 0.431 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-185 distance : 0.546 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-185 distance : 0.527 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-185 distance : 0.578 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-185 distance : 0.987 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-185 distance : 1.041 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-185)



  • Original Kopparapu Recent Venus for Star Kepler-185 distance : 0.427 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-185 distance : 0.562 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-185 distance : 0.564 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-185 distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-185 distance : 1.044 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-185)



    (Position in Stellar Map of star Kepler-185 and its Exoplanet Kepler-185 c)



    (Zoomed position in Stellar Map of star Kepler-185 and its Exoplanet Kepler-185 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-185*)
    *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