Imaginary Picture of Kepler-199 c

Display orbital revolution of Kepler-199 c around the hoststar Kepler-199
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Exoplanet Name : Kepler-199 c
Alternate Name : "2MASS J19421426+4014105 c, K00638.02, KIC 5113822 c, KOI-638 c, KOI-638.02, WISE J194214.22+401410.3 c"
Status : Confirmed
Radius (Rjup / Re): 0.2900 (Rjup) 3.2506 (Rearth)
Mass (Mjup / Me): 0.0248 (Mjup) 7.8966 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3160 (AU) 0.3160 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1837
Orbital Period(Observed/Estimated) 67.09 (Days Obs.) 59.23 (Days Est.)
Surface Gravity (G Earth) 0.7473
Star Radiation at Atmospheric Boundary: 11110.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 458.2 (K)
Blackbody T 0.3(K) 430.3 (K)
Blackbody T 0.7(K) 348.2 (K)
Tidally Locked Blackbody T 0.1(K) 544.9 (K)
Tidally Locked Blackbody T 0.3(K) 511.7 (K)
Size Class: 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-199
Alternate Name : "2MASS J19421426+4014105, KIC 5113822, KOI-638, WISE J194214.22+401410.3"
Star Distance(LY) : 1698.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5721 (K)
Spectral type : G5
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.4
Metalicity : -0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 12.4
Right Ascension(RA) 295.5594
Declination (DEC) 40.2363
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-199+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-199%20c/
Kepler-199 c
Kepler-199 c

  • Kepler-199 c is an exoplanet orbiting the star Kepler-199, located about 1698.7 light-years (520.8 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-199 has apparent magnitude of 12.4, with absolute magnitude of 3.9.
  • It is 1.2 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5721 with its spectral types of G5
  • In this planetary system, the extrasolar planet Kepler-199 c orbits around the star Kepler-199 every 67.1 days with its orbital distance of 0.32 AU ( 47272927.1 km)
  • (Projected orbit of Kepler-199 c around its host star Kepler-199)


  • The Star Kepler-199 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.652 AU ( 97480448.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.901 AU ( 134743454.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.372 AU ( 205319206.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.020 AU ( 302136206.6 km)
  • Radiation at Planetary Boundary of Kepler-199 c : 11110.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-199)



  • Kopparapu Recent Venus for Star Kepler-199 distance : 0.678 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-199 distance : 0.858 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-199 distance : 0.829 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-199 distance : 0.909 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-199 distance : 1.518 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-199 distance : 1.601 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-199)



  • Original Kopparapu Recent Venus for Star Kepler-199 distance : 0.678 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-199 distance : 0.882 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-199 distance : 0.897 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-199 distance : 1.544 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-199 distance : 1.606 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-199)



    (Position in Stellar Map of star Kepler-199 and its Exoplanet Kepler-199 c)



    (Zoomed position in Stellar Map of star Kepler-199 and its Exoplanet Kepler-199 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-199*)
    *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