Imaginary Picture of Kepler-219 d

Display orbital revolution of Kepler-219 d around the hoststar Kepler-219
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Exoplanet Name : Kepler-219 d
Alternate Name : "2MASS J19145735+4645452 d, K00718.03, KIC 9884104 d, KOI-718 d, KOI-718.03, WISE J191457.34+464545.2 d"
Status : Confirmed
Radius (Rjup / Re): 0.2510 (Rjup) 2.8135 (Rearth)
Mass (Mjup / Me): 0.0217 (Mjup) 6.9041 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2720 (AU) 0.2720 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1311
Orbital Period(Observed/Estimated) 47.90 (Days Obs.) 54.62 (Days Est.)
Surface Gravity (G Earth) 0.8722
Star Radiation at Atmospheric Boundary: 27458.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 574.5 (K)
Blackbody T 0.3(K) 539.5 (K)
Blackbody T 0.7(K) 436.5 (K)
Tidally Locked Blackbody T 0.1(K) 683.2 (K)
Tidally Locked Blackbody T 0.3(K) 641.6 (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-219
Alternate Name : "2MASS J19145735+4645452, KIC 9884104, KOI-718, WISE J191457.34+464545.2"
Star Distance(LY) : 2565.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5873 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.2
Apparent Magnitude: 12.7
Right Ascension(RA) 288.7390
Declination (DEC) 46.7626
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-219+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-219%20d/
Kepler-219 d
Kepler-219 d

  • Kepler-219 d is an exoplanet orbiting the star Kepler-219, located about 2565.9 light-years (786.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-219 has apparent magnitude of 12.7, with absolute magnitude of 3.2.
  • It is 0.9 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5873 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-219 d orbits around the star Kepler-219 every 47.9 days with its orbital distance of 0.27 AU ( 40690620.8 km)
  • (Projected orbit of Kepler-219 d around its host star Kepler-219)


  • The Star Kepler-219 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.882 AU ( 131904654.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.219 AU ( 182326703.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.857 AU ( 277825547.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.733 AU ( 408832464.0 km)
  • Radiation at Planetary Boundary of Kepler-219 d : 27458.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-219)



  • Kopparapu Recent Venus for Star Kepler-219 distance : 0.909 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-219 distance : 1.151 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-219 distance : 1.111 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-219 distance : 1.218 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-219 distance : 2.027 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-219 distance : 2.138 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-219)



  • Original Kopparapu Recent Venus for Star Kepler-219 distance : 0.912 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-219 distance : 1.182 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-219 distance : 1.206 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-219 distance : 2.063 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-219 distance : 2.145 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-219)



    (Position in Stellar Map of star Kepler-219 and its Exoplanet Kepler-219 d)



    (Zoomed position in Stellar Map of star Kepler-219 and its Exoplanet Kepler-219 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-219*)
    *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