Imaginary Picture of Kepler-245 d

Display orbital revolution of Kepler-245 d around the hoststar Kepler-245
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Exoplanet Name : Kepler-245 d
Alternate Name : "2MASS J19263335+4226107 d, K00869.02, KIC 6948054 d, KOI-869 d, KOI-869.02, WISE J192633.32+422610.9 d"
Status : Confirmed
Radius (Rjup / Re): 0.2700 (Rjup) 3.0264 (Rearth)
Mass (Mjup / Me): 0.0232 (Mjup) 7.3889 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2020 (AU) 0.2020 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0993
Orbital Period(Observed/Estimated) 36.28 (Days Obs.) 37.07 (Days Est.)
Surface Gravity (G Earth) 0.8067
Star Radiation at Atmospheric Boundary: 12868.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 475.4 (K)
Blackbody T 0.3(K) 446.4 (K)
Blackbody T 0.7(K) 361.2 (K)
Tidally Locked Blackbody T 0.1(K) 565.3 (K)
Tidally Locked Blackbody T 0.3(K) 530.9 (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-245
Alternate Name : "2MASS J19263335+4226107, KIC 6948054, KOI-869, WISE J192633.32+422610.9"
Star Distance(LY) : 2812.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5105 (K)
Spectral type : K1
UV portion[%]: 3.9
Visible portion[%]: 38.4
IR portion[%]: 57.6
Metalicity : -0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 14.1
Right Ascension(RA) 291.6390
Declination (DEC) 42.4363
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-245+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-245%20d/
Kepler-245 d
Kepler-245 d

  • Kepler-245 d is an exoplanet orbiting the star Kepler-245, located about 2812.4 light-years (862.3 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-245 has apparent magnitude of 14.1, with absolute magnitude of 4.4.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5105 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-245 d orbits around the star Kepler-245 every 36.3 days with its orbital distance of 0.20 AU ( 30218769.9 km)
  • (Projected orbit of Kepler-245 d around its host star Kepler-245)


  • The Star Kepler-245 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.448 AU ( 67061012.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.620 AU ( 92695844.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.944 AU ( 141247953.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.389 AU ( 207852551.7 km)
  • Radiation at Planetary Boundary of Kepler-245 d : 12868.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-245)



  • Kopparapu Recent Venus for Star Kepler-245 distance : 0.482 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-245 distance : 0.611 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-245 distance : 0.590 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-245 distance : 0.647 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-245 distance : 1.103 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-245 distance : 1.163 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-245)



  • Original Kopparapu Recent Venus for Star Kepler-245 distance : 0.478 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-245 distance : 0.629 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-245 distance : 0.632 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-245 distance : 1.121 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-245 distance : 1.166 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-245)



    (Position in Stellar Map of star Kepler-245 and its Exoplanet Kepler-245 d)



    (Zoomed position in Stellar Map of star Kepler-245 and its Exoplanet Kepler-245 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-245*)
    *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