Imaginary Picture of Kepler-1125 b

Display orbital revolution of Kepler-1125 b around the hoststar Kepler-1125
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Exoplanet Name : Kepler-1125 b
Alternate Name : "2MASS J19415549+4043551 b, K02160.01, KIC 5546761 b, KOI-2160 b, KOI-2160.01, WISE J194155.49+404354.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.1640 (Rjup) 1.8383 (Rearth)
Mass (Mjup / Me): 0.0146 (Mjup) 4.6475 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1305 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0484
Orbital Period(Observed/Estimated) 17.67 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3753
Star Radiation at Atmospheric Boundary: 368599.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1099.7 (K)
Blackbody T 0.3(K) 1032.8 (K)
Blackbody T 0.7(K) 835.6 (K)
Tidally Locked Blackbody T 0.1(K) 1307.8 (K)
Tidally Locked Blackbody T 0.3(K) 1228.2 (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-1125
Alternate Name : "2MASS J19415549+4043551, KIC 5546761, KOI-2160, WISE J194155.49+404354.9"
Star Distance(LY) : 6680.0
Stellar Radius(Rsun) : 2.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5792 (K)
Spectral type : G4
UV portion[%]: 7.5
Visible portion[%]: 44.3
IR portion[%]: 48.1
Metalicity : -0.1
Absolute Magnitude: 2.1
Apparent Magnitude: 13.7
Right Ascension(RA) 295.4812
Declination (DEC) 40.7320
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-1125%20b/
Kepler-1125 b
Kepler-1125 b

  • Kepler-1125 b is an exoplanet orbiting the star Kepler-1125, located about 6680.0 light-years (2048.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1125 has apparent magnitude of 13.7, with absolute magnitude of 2.1.
  • It is 0.9 times more massive and 2.1 times bigger compared with our Sun. The surface temperature is 5792 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-1125 b orbits around the star Kepler-1125 every 17.7 days with its orbital distance of 0.13 AU ( 19525337.5 km)
  • (Projected orbit of Kepler-1125 b around its host star Kepler-1125)


  • The Star Kepler-1125 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.550 AU ( 231902843.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.143 AU ( 320550333.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.265 AU ( 488447770.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.805 AU ( 718772292.0 km)
  • Radiation at Planetary Boundary of Kepler-1125 b : 368599.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1125)



  • Kopparapu Recent Venus for Star Kepler-1125 distance : 1.605 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1125 distance : 2.033 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1125 distance : 1.963 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1125 distance : 2.153 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1125 distance : 3.589 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1125 distance : 3.785 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1125)



  • Original Kopparapu Recent Venus for Star Kepler-1125 distance : 1.608 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1125 distance : 2.089 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1125 distance : 2.127 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1125 distance : 3.652 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1125 distance : 3.798 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1125)



    (Position in Stellar Map of star Kepler-1125 and its Exoplanet Kepler-1125 b)



    (Zoomed position in Stellar Map of star Kepler-1125 and its Exoplanet Kepler-1125 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1125*)
    *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