Imaginary Picture of Kepler-1645 b

Display orbital revolution of Kepler-1645 b around the hoststar Kepler-1645
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Exoplanet Name : Kepler-1645 b
Alternate Name : "2MASS J19495507+4825068 b, K06233.01, KIC 10989274 b, KOI-6233 b, KOI-6233.01, WISE J194955.08+482506.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.1590 (Rjup) 1.7822 (Rearth)
Mass (Mjup / Me): 0.0142 (Mjup) 4.5155 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1260 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0443
Orbital Period(Observed/Estimated) 16.18 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.4216
Star Radiation at Atmospheric Boundary: 196661.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 939.9 (K)
Blackbody T 0.3(K) 882.6 (K)
Blackbody T 0.7(K) 714.2 (K)
Tidally Locked Blackbody T 0.1(K) 1117.7 (K)
Tidally Locked Blackbody T 0.3(K) 1049.6 (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-1645
Alternate Name : "2MASS J19495507+4825068, KIC 10989274, KOI-6233, WISE J194955.08+482506.9"
Star Distance(LY) : 3921.7
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5926 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 2.9
Apparent Magnitude: 13.3
Right Ascension(RA) 297.4795
Declination (DEC) 48.4186
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-1645&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1645%20b/
Kepler-1645 b
Kepler-1645 b

  • Kepler-1645 b is an exoplanet orbiting the star Kepler-1645, located about 3921.7 light-years (1202.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1645 has apparent magnitude of 13.3, with absolute magnitude of 2.9.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5926 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1645 b orbits around the star Kepler-1645 every 16.2 days with its orbital distance of 0.13 AU ( 18851580.0 km)
  • (Projected orbit of Kepler-1645 b around its host star Kepler-1645)


  • The Star Kepler-1645 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.093 AU ( 163545340.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.511 AU ( 226062399.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.303 AU ( 344469069.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.388 AU ( 506901326.5 km)
  • Radiation at Planetary Boundary of Kepler-1645 b : 196661.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1645)



  • Kopparapu Recent Venus for Star Kepler-1645 distance : 1.123 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1645 distance : 1.422 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1645 distance : 1.373 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1645 distance : 1.506 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1645 distance : 2.502 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1645 distance : 2.639 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1645)



  • Original Kopparapu Recent Venus for Star Kepler-1645 distance : 1.128 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1645 distance : 1.461 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1645 distance : 1.492 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1645 distance : 2.546 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1645 distance : 2.648 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1645)



    (Position in Stellar Map of star Kepler-1645 and its Exoplanet Kepler-1645 b)



    (Zoomed position in Stellar Map of star Kepler-1645 and its Exoplanet Kepler-1645 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1645*)
    *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