Imaginary Picture of Kepler-296 d

Display orbital revolution of Kepler-296 d around the hoststar Kepler-296
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Exoplanet Name : Kepler-296 d
Alternate Name : "Kepler-296 d, 2MASS J19060960+4926143 d, K01422.02, KIC 11497958 d, KOI-1422 d, KOI-1422.02, Kepler-296 A d, WISE J1906
Status : Confirmed
Radius (Rjup / Re): 0.1860 (Rjup) 2.0849 (Rearth)
Mass (Mjup / Me): 0.0164 (Mjup) 5.2247 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1180 (AU) 0.1180 (AU Est.)
Eccentricity : 0.3300
Orbital Period(Yrs) 0.0543
Orbital Period(Observed/Estimated) 19.85 (Days Obs.) 20.94 (Days Est.)
Surface Gravity (G Earth) 1.2020
Star Radiation at Atmospheric Boundary: 1997.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 298.4 (K)
Blackbody T 0.3(K) 280.2 (K)
Blackbody T 0.7(K) 226.7 (K)
Tidally Locked Blackbody T 0.1(K) 354.8 (K)
Tidally Locked Blackbody T 0.3(K) 333.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-296
Alternate Name : "Kepler-296, 2MASS J19060960+4926143, KIC 11497958, KOI-1422, Kepler-296 A, WISE J190609.59+492614.2"
Star Distance(LY) : 542.4
Stellar Radius(Rsun) : 0.4 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3526 (K)
Spectral type : M2 V
UV portion[%]: 0.4
Visible portion[%]: 18.8
IR portion[%]: 80.8
Metalicity : -0.1
Absolute Magnitude: 7.3
Apparent Magnitude: 13.4
Right Ascension(RA) 286.5400
Declination (DEC) 49.4373
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-296+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-296%20d/
Kepler-296 d
Kepler-296 d

  • Kepler-296 d is an exoplanet orbiting the star Kepler-296, located about 542.4 light-years (166.3 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-296 has apparent magnitude of 13.4, with absolute magnitude of 7.3.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3526 with its spectral types of M2 V
  • In this planetary system, the extrasolar planet Kepler-296 d orbits around the star Kepler-296 every 19.9 days with its orbital distance of 0.12 AU ( 17652548.7 km)
  • (Projected orbit of Kepler-296 d around its host star Kepler-296)


  • The Star Kepler-296 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.103 AU ( 15431974.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.143 AU ( 21331021.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.217 AU ( 32503756.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.320 AU ( 47830702.0 km)
  • Radiation at Planetary Boundary of Kepler-296 d : 1996.95 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-296)



  • Kopparapu Recent Venus for Star Kepler-296 distance : 0.117 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-296 distance : 0.147 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-296 distance : 0.142 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-296 distance : 0.157 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-296 distance : 0.287 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-296 distance : 0.302 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-296)



  • Original Kopparapu Recent Venus for Star Kepler-296 distance : 0.116 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-296 distance : 0.153 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-296 distance : 0.153 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-296 distance : 0.291 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-296 distance : 0.303 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-296)



    (Position in Stellar Map of star Kepler-296 and its Exoplanet Kepler-296 d)



    (Zoomed position in Stellar Map of star Kepler-296 and its Exoplanet Kepler-296 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-296*)
    *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