Imaginary Picture of Kepler-1109 b

Display orbital revolution of Kepler-1109 b around the hoststar Kepler-1109
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Exoplanet Name : Kepler-1109 b
Alternate Name : "2MASS J19263509+3923478 b, K02122.01, KIC 4262581 b, KOI-2122 b, KOI-2122.01, WISE J192635.10+392347.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.1950 (Rjup) 2.1858 (Rearth)
Mass (Mjup / Me): 0.0172 (Mjup) 5.4594 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2234 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1031
Orbital Period(Observed/Estimated) 37.65 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1427
Star Radiation at Atmospheric Boundary: 18940.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 523.6 (K)
Blackbody T 0.3(K) 491.7 (K)
Blackbody T 0.7(K) 397.8 (K)
Tidally Locked Blackbody T 0.1(K) 622.7 (K)
Tidally Locked Blackbody T 0.3(K) 584.7 (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-1109
Alternate Name : "2MASS J19263509+3923478, KIC 4262581, KOI-2122, WISE J192635.10+392347.8"
Star Distance(LY) : 2233.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.8 (GY)
Temperature : 5438 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 13.1
Right Ascension(RA) 291.6462
Declination (DEC) 39.3966
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
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1109%20b/
Kepler-1109 b
Kepler-1109 b

  • Kepler-1109 b is an exoplanet orbiting the star Kepler-1109, located about 2233.8 light-years (684.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1109 has apparent magnitude of 13.1, with absolute magnitude of 3.9.
  • It is 1.1 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5438 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-1109 b orbits around the star Kepler-1109 every 37.6 days with its orbital distance of 0.22 AU ( 33425655.5 km)
  • (Projected orbit of Kepler-1109 b around its host star Kepler-1109)


  • The Star Kepler-1109 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.602 AU ( 89991628.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.832 AU ( 124391948.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.267 AU ( 189545801.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.864 AU ( 278924950.1 km)
  • Radiation at Planetary Boundary of Kepler-1109 b : 18940.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1109)



  • Kopparapu Recent Venus for Star Kepler-1109 distance : 0.636 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1109 distance : 0.805 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1109 distance : 0.778 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1109 distance : 0.853 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1109 distance : 1.437 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1109 distance : 1.515 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1109)



  • Original Kopparapu Recent Venus for Star Kepler-1109 distance : 0.633 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1109 distance : 0.829 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1109 distance : 0.837 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1109 distance : 1.461 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1109 distance : 1.520 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1109)



    (Position in Stellar Map of star Kepler-1109 and its Exoplanet Kepler-1109 b)



    (Zoomed position in Stellar Map of star Kepler-1109 and its Exoplanet Kepler-1109 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1109*)
    *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