Imaginary Picture of Kepler-205 c

Display orbital revolution of Kepler-205 c around the hoststar Kepler-205
/
Exoplanet Name : Kepler-205 c
Alternate Name : "2MASS J19010890+4151402 c, K00663.02, KIC 6425957 c, KOI-663 c, KOI-663.02, WISE J190108.83+415139.6 c"
Radius (Rjup / Re): 0.1460 (Rjup) 1.6365 (Rearth)
Mass (Mjup / Me): 0.0131 (Mjup) 4.1712 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1220 (AU) 0.1220 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0556
Orbital Period(Observed/Estimated) 20.31 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5575
Star Radiation at Atmospheric Boundary: 9581.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 441.6 (K)
Blackbody T 0.3(K) 414.7 (K)
Blackbody T 0.7(K) 335.5 (K)
Tidally Locked Blackbody T 0.1(K) 525.1 (K)
Tidally Locked Blackbody T 0.3(K) 493.1 (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-205
Alternate Name : "2MASS J19010890+4151402, KIC 6425957, KOI-663, WISE J190108.83+415139.6"
Star Distance(LY) : 520.9
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.0 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4121 (K)
Spectral type : M1 V
UV portion[%]: 0.9
Visible portion[%]: 27.9
IR portion[%]: 71.2
Metalicity : -0.1
Absolute Magnitude: 5.6
Apparent Magnitude: 11.6
Right Ascension(RA) 285.2871
Declination (DEC) 41.8612
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-205+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-205%20c/
Kepler-205 c
Kepler-205 c

  • Kepler-205 c is an exoplanet orbiting the star Kepler-205, located about 520.9 light-years (159.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-205 has apparent magnitude of 11.6, with absolute magnitude of 5.6.
  • In this planetary system, the extrasolar planet Kepler-205 c orbits around the star Kepler-205 every 20.3 days with its orbital distance of 0.12 AU ( 18250940.2 km)
  • (Projected orbit of Kepler-205 c around its host star Kepler-205)


  • The Star Kepler-205 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.234 AU ( 34949186.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.323 AU ( 48308908.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.492 AU ( 73612085.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.724 AU ( 108323409.1 km)
  • Radiation at Planetary Boundary of Kepler-205 c : 9581.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-205)



  • Kopparapu Recent Venus for Star Kepler-205 distance : 0.261 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-205 distance : 0.330 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-205 distance : 0.319 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-205 distance : 0.351 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-205 distance : 0.623 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-205 distance : 0.657 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-205)



  • Original Kopparapu Recent Venus for Star Kepler-205 distance : 0.258 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-205 distance : 0.341 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-205 distance : 0.341 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-205 distance : 0.633 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-205 distance : 0.658 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-205)



    (Position in Stellar Map of star Kepler-205 and its Exoplanet Kepler-205 c)



    (Zoomed position in Stellar Map of star Kepler-205 and its Exoplanet Kepler-205 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-205*)
    *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