Imaginary Picture of Kepler-301 d

Display orbital revolution of Kepler-301 d around the hoststar Kepler-301
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Exoplanet Name : Kepler-301 d
Alternate Name : "2MASS J18555591+4913587 d, K01436.02, KIC 11389771 d, KOI-1436 d, KOI-1436.02, WISE J185555.89+491358.6 d"
Status : Confirmed
Radius (Rjup / Re): 0.1560 (Rjup) 1.7486 (Rearth)
Mass (Mjup / Me): 0.0140 (Mjup) 4.4363 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1120 (AU) 0.1120 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0376
Orbital Period(Observed/Estimated) 13.75 (Days Obs.) 14.35 (Days Est.)
Surface Gravity (G Earth) 1.4509
Star Radiation at Atmospheric Boundary: 91245.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 775.7 (K)
Blackbody T 0.3(K) 728.5 (K)
Blackbody T 0.7(K) 589.4 (K)
Tidally Locked Blackbody T 0.1(K) 922.5 (K)
Tidally Locked Blackbody T 0.3(K) 866.3 (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-301
Alternate Name : "2MASS J18555591+4913587, KIC 11389771, KOI-1436, WISE J185555.89+491358.6"
Star Distance(LY) : 2345.0
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5656 (K)
Spectral type : G2
UV portion[%]: 7.5
Visible portion[%]: 44.2
IR portion[%]: 48.3
Metalicity : -0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 13.1
Right Ascension(RA) 283.9830
Declination (DEC) 49.2330
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-301+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-301%20d/
Kepler-301 d
Kepler-301 d

  • Kepler-301 d is an exoplanet orbiting the star Kepler-301, located about 2345.0 light-years (719.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-301 has apparent magnitude of 13.1, with absolute magnitude of 3.9.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5656 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-301 d orbits around the star Kepler-301 every 13.8 days with its orbital distance of 0.11 AU ( 16754961.5 km)
  • (Projected orbit of Kepler-301 d around its host star Kepler-301)


  • The Star Kepler-301 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.662 AU ( 99010279.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.915 AU ( 136858080.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.394 AU ( 208541428.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.051 AU ( 306877846.9 km)
  • Radiation at Planetary Boundary of Kepler-301 d : 91245.85 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-301)



  • Kopparapu Recent Venus for Star Kepler-301 distance : 0.691 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-301 distance : 0.875 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-301 distance : 0.845 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-301 distance : 0.927 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-301 distance : 1.550 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-301 distance : 1.635 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-301)



  • Original Kopparapu Recent Venus for Star Kepler-301 distance : 0.690 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-301 distance : 0.900 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-301 distance : 0.913 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-301 distance : 1.577 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-301 distance : 1.640 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-301)



    (Position in Stellar Map of star Kepler-301 and its Exoplanet Kepler-301 d)



    (Zoomed position in Stellar Map of star Kepler-301 and its Exoplanet Kepler-301 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-301*)
    *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