Imaginary Picture of Kepler-265 d

Display orbital revolution of Kepler-265 d around the hoststar Kepler-265
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Exoplanet Name : Kepler-265 d
Alternate Name : "2MASS J19220251+4114413 d, K01052.04, KIC 5956342 d, KOI-1052 d, KOI-1052.04, WISE J192202.50+411441.0 d"
Status : Confirmed
Radius (Rjup / Re): 0.2220 (Rjup) 2.4884 (Rearth)
Mass (Mjup / Me): 0.0194 (Mjup) 6.1591 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2360 (AU) 0.2360 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1181
Orbital Period(Observed/Estimated) 43.13 (Days Obs.) 41.26 (Days Est.)
Surface Gravity (G Earth) 0.9947
Star Radiation at Atmospheric Boundary: 24765.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 559.9 (K)
Blackbody T 0.3(K) 525.8 (K)
Blackbody T 0.7(K) 425.4 (K)
Tidally Locked Blackbody T 0.1(K) 665.8 (K)
Tidally Locked Blackbody T 0.3(K) 625.3 (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-265
Alternate Name : "2MASS J19220251+4114413, KIC 5956342, KOI-1052, WISE J192202.50+411441.0"
Star Distance(LY) : 4181.8
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5871 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 14.3
Right Ascension(RA) 290.5105
Declination (DEC) 41.2448
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-265+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-265%20d/
Kepler-265 d
Kepler-265 d

  • Kepler-265 d is an exoplanet orbiting the star Kepler-265, located about 4181.8 light-years (1282.2 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-265 has apparent magnitude of 14.3, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5871 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-265 d orbits around the star Kepler-265 every 43.1 days with its orbital distance of 0.24 AU ( 35305097.5 km)
  • (Projected orbit of Kepler-265 d around its host star Kepler-265)


  • The Star Kepler-265 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.727 AU ( 108691382.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.004 AU ( 150239895.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.530 AU ( 228932352.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.252 AU ( 336883985.5 km)
  • Radiation at Planetary Boundary of Kepler-265 d : 24765.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-265)



  • Kopparapu Recent Venus for Star Kepler-265 distance : 0.749 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-265 distance : 0.948 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-265 distance : 0.916 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-265 distance : 1.004 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-265 distance : 1.671 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-265 distance : 1.762 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-265)



  • Original Kopparapu Recent Venus for Star Kepler-265 distance : 0.751 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-265 distance : 0.974 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-265 distance : 0.994 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-265 distance : 1.700 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-265 distance : 1.768 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-265)



    (Position in Stellar Map of star Kepler-265 and its Exoplanet Kepler-265 d)



    (Zoomed position in Stellar Map of star Kepler-265 and its Exoplanet Kepler-265 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-265*)
    *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