Imaginary Picture of Kepler-300 c

Display orbital revolution of Kepler-300 c around the hoststar Kepler-300
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Exoplanet Name : Kepler-300 c
Alternate Name : "2MASS J19410928+4835589 c, K01435.01, KIC 11037335 c, KOI-1435 c, KOI-1435.01, WISE J194109.28+483558.8 c"
Status : Confirmed
Radius (Rjup / Re): 0.2010 (Rjup) 2.2530 (Rearth)
Mass (Mjup / Me): 0.0177 (Mjup) 5.6154 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2320 (AU) 0.2320 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1115
Orbital Period(Observed/Estimated) 40.71 (Days Obs.) 42.10 (Days Est.)
Surface Gravity (G Earth) 1.1063
Star Radiation at Atmospheric Boundary: 57664.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 691.6 (K)
Blackbody T 0.3(K) 649.5 (K)
Blackbody T 0.7(K) 525.5 (K)
Tidally Locked Blackbody T 0.1(K) 822.5 (K)
Tidally Locked Blackbody T 0.3(K) 772.4 (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-300
Alternate Name : "2MASS J19410928+4835589, KIC 11037335, KOI-1435, WISE J194109.28+483558.8"
Star Distance(LY) : 3580.7
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5986 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.2
Absolute Magnitude: 2.9
Apparent Magnitude: 13.1
Right Ascension(RA) 295.2887
Declination (DEC) 48.5997
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-300+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-300%20c/
Kepler-300 c
Kepler-300 c

  • Kepler-300 c is an exoplanet orbiting the star Kepler-300, located about 3580.7 light-years (1097.9 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-300 has apparent magnitude of 13.1, with absolute magnitude of 2.9.
  • It is 0.9 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5986 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-300 c orbits around the star Kepler-300 every 40.7 days with its orbital distance of 0.23 AU ( 34706706.0 km)
  • (Projected orbit of Kepler-300 c around its host star Kepler-300)


  • The Star Kepler-300 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.090 AU ( 163041681.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.506 AU ( 225366211.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.296 AU ( 343408232.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.378 AU ( 505340258.4 km)
  • Radiation at Planetary Boundary of Kepler-300 c : 57664.68 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-300)



  • Kopparapu Recent Venus for Star Kepler-300 distance : 1.115 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-300 distance : 1.413 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-300 distance : 1.364 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-300 distance : 1.495 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-300 distance : 2.482 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-300 distance : 2.617 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-300)



  • Original Kopparapu Recent Venus for Star Kepler-300 distance : 1.122 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-300 distance : 1.451 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-300 distance : 1.484 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-300 distance : 2.526 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-300 distance : 2.626 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-300)



    (Position in Stellar Map of star Kepler-300 and its Exoplanet Kepler-300 c)



    (Zoomed position in Stellar Map of star Kepler-300 and its Exoplanet Kepler-300 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-300*)
    *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