Imaginary Picture of Kepler-279 d
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Exoplanet Name : Kepler-279 d
Alternate Name :
Radius (Rjup / Re): 0.2770 (Rjup) 3.1049 (Rearth)
Mass (Mjup / Me): 0.1300 (Mjup) 41.3319 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3073 (AU) 0.3073 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1490
Orbital Period(Observed/Estimated) 54.41 (Days Obs.) 56.10 (Days Est.)
Star Radiation at Atmospheric Boundary: 43536.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 644.7 (K)
Blackbody T 0.3(K) 605.4 (K)
Blackbody T 0.7(K) 489.9 (K)
Tidally Locked Blackbody T 0.1(K) 766.7 (K)
Tidally Locked Blackbody T 0.3(K) 720.0 (K)
Size Class: 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-279
Alternate Name :
Star Distance(LY) : 3383.2
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6363 (K)
Spectral type : F6
Metalicity : -0.6
Absolute Magnitude: 3.6
Apparent Magnitude: 13.7
Right Ascension(RA) 287.3917
Declination (DEC) 42.1950
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-279+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-279%20d/
Kepler-279 d
Kepler-279 d

  • Kepler-279 d is an exoplanet orbiting the star Kepler-279, located about 3383.2 light-years (1037.3 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-279 has apparent magnitude of 13.7, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6363 with its spectral types of F6
  • In this planetary system, the extrasolar planet Kepler-279 d orbits around the star Kepler-279 every 54.4 days with its orbital distance of 0.31 AU ( 45968433.7 km)
  • (Projected orbit of Kepler-279 d around its host star Kepler-279)


  • The Star Kepler-279 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.254 AU ( 187636790.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.734 AU ( 259363080.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.642 AU ( 395211937.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.888 AU ( 581571678.8 km)
  • Radiation at Planetary Boundary of Kepler-279 d : 43536.75 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-279)



  • Kopparapu Recent Venus for Star Kepler-279 distance : 1.255 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-279 distance : 1.589 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-279 distance : 1.535 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-279 distance : 1.682 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-279 distance : 2.770 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-279 distance : 2.922 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-279)



  • Original Kopparapu Recent Venus for Star Kepler-279 distance : 1.272 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-279 distance : 1.630 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-279 distance : 1.683 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-279 distance : 2.820 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-279 distance : 2.933 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-279)



    (Position in Stellar Map of star Kepler-279 and its Exoplanet Kepler-279 d)



    (Zoomed position in Stellar Map of star Kepler-279 and its Exoplanet Kepler-279 d (zoom level 3))