Imaginary Picture of Kepler-450 d

Display orbital revolution of Kepler-450 d around the hoststar Kepler-450
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Exoplanet Name : Kepler-450 d
Alternate Name : "2MASS J19415676+5100486 d, K00279.03, KIC 12314973 d, KOI-279 d, KOI-279.03, WISE J194156.76+510048.6 d"
Radius (Rjup / Re): 0.0750 (Rjup) 0.8407 (Rearth)
Mass (Mjup / Me): 0.0017 (Mjup) 0.5279 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0830 (AU Est.)
Eccentricity : 0.1400
Orbital Period(Yrs) 0.0206
Orbital Period(Observed/Estimated) 7.51 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.7470
Star Radiation at Atmospheric Boundary: 742582.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1310.2 (K)
Blackbody T 0.3(K) 1230.4 (K)
Blackbody T 0.7(K) 995.5 (K)
Tidally Locked Blackbody T 0.1(K) 1558.1 (K)
Tidally Locked Blackbody T 0.3(K) 1463.2 (K)
Size Class: 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-450
Alternate Name : "KOI-279, KIC 1231497, 2MASS J19415676+5100486, KIC 12314973, WISE J194156.76+510048.6"
Star Distance(LY) : 1382.0
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6298 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.3
Absolute Magnitude: 3.5
Apparent Magnitude: 11.7
Right Ascension(RA) 295.4865
Declination (DEC) 51.0135
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Vincent Van Eylen, Simon Albrecht"
Discovery Paper - Title Eccentricity from transit photometry: small planets in Kepler multi-planet systems have low eccentricities
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-450%20d/
Kepler-450 d
Kepler-450 d

  • Kepler-450 d is an exoplanet orbiting the star Kepler-450, located about 1382.0 light-years (423.7 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-450 has apparent magnitude of 11.7, with absolute magnitude of 3.5.
  • It is 1.4 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6298 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-450 d orbits around the star Kepler-450 every 7.5 days with its orbital distance of 0.08 AU ( 12414101.9 km)
  • (Projected orbit of Kepler-450 d around its host star Kepler-450)


  • The Star Kepler-450 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.399 AU ( 209275228.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.934 AU ( 289273056.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.946 AU ( 440788122.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.336 AU ( 648639031.4 km)
  • Radiation at Planetary Boundary of Kepler-450 d : 742582.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-450)



  • Kopparapu Recent Venus for Star Kepler-450 distance : 1.405 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-450 distance : 1.779 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-450 distance : 1.718 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-450 distance : 1.883 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-450 distance : 3.105 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-450 distance : 3.275 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-450)



  • Original Kopparapu Recent Venus for Star Kepler-450 distance : 1.422 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-450 distance : 1.825 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-450 distance : 1.882 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-450 distance : 3.161 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-450 distance : 3.288 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-450)



    (Position in Stellar Map of star Kepler-450 and its Exoplanet Kepler-450 d)



    (Zoomed position in Stellar Map of star Kepler-450 and its Exoplanet Kepler-450 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-450*)
    *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