Imaginary Picture of Kepler-324 d

Display orbital revolution of Kepler-324 d around the hoststar Kepler-324
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Exoplanet Name : Kepler-324 d
Alternate Name : "KOI-1831 d, KOI-1831.03"
Status : Confirmed
Radius (Rjup / Re): 0.1008 (Rjup) 1.1299 (Rearth)
Mass (Mjup / Me): 0.0070 (Mjup) 2.2319 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1949 (AU) 0.1949 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0935
Orbital Period(Observed/Estimated) 34.17 (Days Obs.) 33.89 (Days Est.)
Surface Gravity (G Earth) 1.7483
Star Radiation at Atmospheric Boundary: 16578.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 506.4 (K)
Blackbody T 0.3(K) 475.6 (K)
Blackbody T 0.7(K) 384.8 (K)
Tidally Locked Blackbody T 0.1(K) 602.3 (K)
Tidally Locked Blackbody T 0.3(K) 565.6 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-324
Alternate Name : "2MASS J19055315+4938564, KIC 11601584, KOI-1831, WISE J190553.14+493856.6"
Star Distance(LY) : 1659.9
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5194 (K)
Spectral type : K0
UV portion[%]: 4.9
Visible portion[%]: 40.0
IR portion[%]: 55.0
Metalicity : -0.0
Absolute Magnitude: 4.2
Apparent Magnitude: 12.8
Right Ascension(RA) 286.4715
Declination (DEC) 49.6490
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-324 d
Kepler-324 d

  • Kepler-324 d is an exoplanet orbiting the star Kepler-324, located about 1659.9 light-years (508.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-324 has apparent magnitude of 12.8, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5194 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-324 d orbits around the star Kepler-324 every 34.2 days with its orbital distance of 0.19 AU ( 29156625.0 km)
  • (Projected orbit of Kepler-324 d around its host star Kepler-324)


  • The Star Kepler-324 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.491 AU ( 73441457.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.679 AU ( 101515287.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.034 AU ( 154686832.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.522 AU ( 227628450.4 km)
  • Radiation at Planetary Boundary of Kepler-324 d : 16578.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-324)



  • Kopparapu Recent Venus for Star Kepler-324 distance : 0.526 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-324 distance : 0.666 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-324 distance : 0.643 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-324 distance : 0.706 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-324 distance : 1.198 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-324 distance : 1.264 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-324)



  • Original Kopparapu Recent Venus for Star Kepler-324 distance : 0.522 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-324 distance : 0.686 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-324 distance : 0.690 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-324 distance : 1.218 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-324 distance : 1.267 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-324)



    (Position in Stellar Map of star Kepler-324 and its Exoplanet Kepler-324 d)



    (Zoomed position in Stellar Map of star Kepler-324 and its Exoplanet Kepler-324 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-324*)
    *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