Imaginary Picture of Kepler-1243 b
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Exoplanet Name : Kepler-1243 b
Alternate Name :
Radius (Rjup / Re): 0.1560 (Rjup) 1.7486 (Rearth)
Mass (Mjup / Me): 0.0140 (Mjup) 4.4363 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1268 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0461
Orbital Period(Observed/Estimated) 16.83 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 69507.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 724.7 (K)
Blackbody T 0.3(K) 680.6 (K)
Blackbody T 0.7(K) 550.6 (K)
Tidally Locked Blackbody T 0.1(K) 861.8 (K)
Tidally Locked Blackbody T 0.3(K) 809.3 (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-1243
Alternate Name :
Star Distance(LY) : 2860.4
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5667 (K)
Spectral type : G5
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 13.6
Right Ascension(RA) 294.0095
Declination (DEC) 42.8808
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha10"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 444 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1243%20b/
Kepler-1243 b
Kepler-1243 b

  • Kepler-1243 b is an exoplanet orbiting the star Kepler-1243, located about 2860.4 light-years (877.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1243 has apparent magnitude of 13.6, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5667 with its spectral types of G5
  • In this planetary system, the extrasolar planet Kepler-1243 b orbits around the star Kepler-1243 every 16.8 days with its orbital distance of 0.13 AU ( 18969129.8 km)
  • (Projected orbit of Kepler-1243 b around its host star Kepler-1243)


  • The Star Kepler-1243 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.654 AU ( 97834581.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.904 AU ( 135232958.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.377 AU ( 206065102.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.027 AU ( 303233825.0 km)
  • Radiation at Planetary Boundary of Kepler-1243 b : 69507.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1243)



  • Kopparapu Recent Venus for Star Kepler-1243 distance : 0.682 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1243 distance : 0.864 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1243 distance : 0.835 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1243 distance : 0.915 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1243 distance : 1.530 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1243 distance : 1.614 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1243)



  • Original Kopparapu Recent Venus for Star Kepler-1243 distance : 0.682 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1243 distance : 0.888 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1243 distance : 0.902 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1243 distance : 1.557 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1243 distance : 1.619 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1243)



    (Position in Stellar Map of star Kepler-1243 and its Exoplanet Kepler-1243 b)



    (Zoomed position in Stellar Map of star Kepler-1243 and its Exoplanet Kepler-1243 b (zoom level 3))