Imaginary Picture of Kepler-997 b
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Exoplanet Name : Kepler-997 b
Alternate Name :
Radius (Rjup / Re): 0.1210 (Rjup) 1.3563 (Rearth)
Mass (Mjup / Me): 0.0093 (Mjup) 2.9437 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0406 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0074
Orbital Period(Observed/Estimated) 2.71 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 2587328.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1790.0 (K)
Blackbody T 0.3(K) 1681.0 (K)
Blackbody T 0.7(K) 1360.1 (K)
Tidally Locked Blackbody T 0.1(K) 2128.7 (K)
Tidally Locked Blackbody T 0.3(K) 1999.1 (K)
Size Class: super-Earth-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-997
Alternate Name :
Star Distance(LY) : 1532.9
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6150 (K)
Spectral type : G0
Metalicity : 0.1
Absolute Magnitude: 2.6
Apparent Magnitude: 10.9
Right Ascension(RA) 289.2334
Declination (DEC) 49.9389
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 804 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-997%20b/
Kepler-997 b
Kepler-997 b

  • Kepler-997 b is an exoplanet orbiting the star Kepler-997, located about 1532.9 light-years (470.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-997 has apparent magnitude of 10.9, with absolute magnitude of 2.6.
  • It is 1.2 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6150 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-997 b orbits around the star Kepler-997 every 2.7 days with its orbital distance of 0.04 AU ( 6076826.6 km)
  • (Projected orbit of Kepler-997 b around its host star Kepler-997)


  • The Star Kepler-997 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.278 AU ( 191219836.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.767 AU ( 264315785.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.692 AU ( 402758764.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.962 AU ( 592677165.5 km)
  • Radiation at Planetary Boundary of Kepler-997 b : 2587328.67 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-997)



  • Kopparapu Recent Venus for Star Kepler-997 distance : 1.295 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-997 distance : 1.640 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-997 distance : 1.584 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-997 distance : 1.736 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-997 distance : 2.871 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-997 distance : 3.028 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-997)



  • Original Kopparapu Recent Venus for Star Kepler-997 distance : 1.307 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-997 distance : 1.683 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-997 distance : 1.729 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-997 distance : 2.923 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-997 distance : 3.039 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-997)



    (Position in Stellar Map of star Kepler-997 and its Exoplanet Kepler-997 b)



    (Zoomed position in Stellar Map of star Kepler-997 and its Exoplanet Kepler-997 b (zoom level 3))