Imaginary Picture of Kepler-297 b

Display orbital revolution of Kepler-297 b around the hoststar Kepler-297
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Exoplanet Name : Kepler-297 b
Alternate Name : "2MASS J18525019+4846395 b, K01426.01, KIC 11122894 b, KOI-1426 b, KOI-1426.01, WISE J185250.19+484639.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.2560 (Rjup) 2.8695 (Rearth)
Mass (Mjup / Me): 0.0221 (Mjup) 7.0319 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2170 (AU) 0.2170 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1064
Orbital Period(Observed/Estimated) 38.87 (Days Obs.) 39.79 (Days Est.)
Surface Gravity (G Earth) 0.8540
Star Radiation at Atmospheric Boundary: 21571.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 540.9 (K)
Blackbody T 0.3(K) 508.0 (K)
Blackbody T 0.7(K) 411.0 (K)
Tidally Locked Blackbody T 0.1(K) 643.2 (K)
Tidally Locked Blackbody T 0.3(K) 604.1 (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-297
Alternate Name : "2MASS J18525019+4846395, KIC 11122894, KOI-1426, WISE J185250.19+484639.5"
Star Distance(LY) : 2256.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5693 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 44.0
IR portion[%]: 48.7
Metalicity : -0.1
Absolute Magnitude: 3.9
Apparent Magnitude: 13.1
Right Ascension(RA) 283.2092
Declination (DEC) 48.7776
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "A. Santerne, C. Moutou, M. Tsantaki, F. Bouchy, G. H_brard, V. Adibekyan, J.-M. Almenara, L. Amard, S. C. C. Barros, I. Boisse, A. S. Bonomo, G. Bruno, B. Courcol, M. Deleuil, O. Demangeon, R. F. D_az, T. Guillot, M. Havel, G. Montagnier, A. S. Rajpurohit, J. Rey, N. C. Santos"
Discovery Paper - Title SOPHIE velocimetry of Kepler transit candidates XVII. The physical properties of giant exoplanets within 400 days of period
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-297+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-297%20b/
Kepler-297 b
Kepler-297 b

  • Kepler-297 b is an exoplanet orbiting the star Kepler-297, located about 2256.5 light-years (691.9 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-297 has apparent magnitude of 13.1, with absolute magnitude of 3.9.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5693 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-297 b orbits around the star Kepler-297 every 38.9 days with its orbital distance of 0.22 AU ( 32462737.9 km)
  • (Projected orbit of Kepler-297 b around its host star Kepler-297)


  • The Star Kepler-297 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.623 AU ( 93272463.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.862 AU ( 128926919.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.313 AU ( 196456093.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.932 AU ( 289093747.4 km)
  • Radiation at Planetary Boundary of Kepler-297 b : 21571.28 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-297)



  • Kopparapu Recent Venus for Star Kepler-297 distance : 0.650 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-297 distance : 0.822 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-297 distance : 0.794 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-297 distance : 0.871 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-297 distance : 1.456 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-297 distance : 1.536 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-297)



  • Original Kopparapu Recent Venus for Star Kepler-297 distance : 0.649 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-297 distance : 0.845 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-297 distance : 0.859 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-297 distance : 1.481 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-297 distance : 1.540 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-297)



    (Position in Stellar Map of star Kepler-297 and its Exoplanet Kepler-297 b)



    (Zoomed position in Stellar Map of star Kepler-297 and its Exoplanet Kepler-297 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-297*)
    *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