Imaginary Picture of Kepler-1340 b

Display orbital revolution of Kepler-1340 b around the hoststar Kepler-1340
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Exoplanet Name : Kepler-1340 b
Alternate Name : "2MASS J19445587+4228220 b, K02756.01, KIC 6964929 b, KOI-2756 b, KOI-2756.01, WISE J194455.87+422822.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.1380 (Rjup) 1.5468 (Rearth)
Mass (Mjup / Me): 0.0124 (Mjup) 3.9582 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0161 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0018
Orbital Period(Observed/Estimated) 0.67 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6543
Star Radiation at Atmospheric Boundary: 5872467.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2197.1 (K)
Blackbody T 0.3(K) 2063.3 (K)
Blackbody T 0.7(K) 1669.4 (K)
Tidally Locked Blackbody T 0.1(K) 2612.8 (K)
Tidally Locked Blackbody T 0.3(K) 2453.7 (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-1340
Alternate Name : "2MASS J19445587+4228220, KIC 6964929, KOI-2756, WISE J194455.87+422822.0"
Star Distance(LY) : 3202.1
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.4 (GY)
Temperature : 5909 (K)
Spectral type : F8
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 13.6
Right Ascension(RA) 296.2328
Declination (DEC) 42.4728
Hubble Space Telescope Guide Star Catalog (GSC) ID
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1340+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1340%20b/
Kepler-1340 b
Kepler-1340 b

  • Kepler-1340 b is an exoplanet orbiting the star Kepler-1340, located about 3202.1 light-years (981.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1340 has apparent magnitude of 13.6, with absolute magnitude of 3.6.
  • It is 1.3 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5909 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1340 b orbits around the star Kepler-1340 every 0.7 days with its orbital distance of 0.02 AU ( 2415605.4 km)
  • (Projected orbit of Kepler-1340 b around its host star Kepler-1340)


  • The Star Kepler-1340 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.765 AU ( 114516114.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.058 AU ( 158291197.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.612 AU ( 241200754.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.373 AU ( 354937476.9 km)
  • Radiation at Planetary Boundary of Kepler-1340 b : 5872467.84 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1340)



  • Kopparapu Recent Venus for Star Kepler-1340 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1340 distance : 0.997 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1340 distance : 0.963 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1340 distance : 1.055 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1340 distance : 1.754 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1340 distance : 1.850 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1340)



  • Original Kopparapu Recent Venus for Star Kepler-1340 distance : 0.790 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1340 distance : 1.024 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1340 distance : 1.046 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1340 distance : 1.785 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1340 distance : 1.857 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1340)



    (Position in Stellar Map of star Kepler-1340 and its Exoplanet Kepler-1340 b)



    (Zoomed position in Stellar Map of star Kepler-1340 and its Exoplanet Kepler-1340 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1340*)
    *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