Imaginary Picture of Kepler-1141 b

Display orbital revolution of Kepler-1141 b around the hoststar Kepler-1141
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Exoplanet Name : Kepler-1141 b
Alternate Name : "2MASS J19221047+4743331 b, K02208.01, KIC 10531955 b, KOI-2208 b, KOI-2208.01, WISE J192210.48+474333.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.0730 (Rjup) 0.8183 (Rearth)
Mass (Mjup / Me): 0.0015 (Mjup) 0.4799 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0347 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0064
Orbital Period(Observed/Estimated) 2.34 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.7167
Star Radiation at Atmospheric Boundary: 1551380.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1575.2 (K)
Blackbody T 0.3(K) 1479.2 (K)
Blackbody T 0.7(K) 1196.9 (K)
Tidally Locked Blackbody T 0.1(K) 1873.2 (K)
Tidally Locked Blackbody T 0.3(K) 1759.1 (K)
Size Class: 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-1141
Alternate Name : "2MASS J19221047+4743331, KIC 10531955, KOI-2208, WISE J192210.48+474333.2"
Star Distance(LY) : 1283.6
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.2 (GY)
Temperature : 5837 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.4
Apparent Magnitude: 11.3
Right Ascension(RA) 290.5436
Declination (DEC) 47.7259
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-1141+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1141%20b/
Kepler-1141 b
Kepler-1141 b

  • Kepler-1141 b is an exoplanet orbiting the star Kepler-1141, located about 1283.6 light-years (393.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1141 has apparent magnitude of 11.3, with absolute magnitude of 3.4.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5837 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1141 b orbits around the star Kepler-1141 every 2.3 days with its orbital distance of 0.03 AU ( 5184107.7 km)
  • (Projected orbit of Kepler-1141 b around its host star Kepler-1141)


  • The Star Kepler-1141 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.844 AU ( 126317500.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.167 AU ( 174603796.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.778 AU ( 266057546.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.617 AU ( 391515334.2 km)
  • Radiation at Planetary Boundary of Kepler-1141 b : 1551380.82 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1141)



  • Kopparapu Recent Venus for Star Kepler-1141 distance : 0.872 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1141 distance : 1.104 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1141 distance : 1.067 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1141 distance : 1.169 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1141 distance : 1.947 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1141 distance : 2.054 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1141)



  • Original Kopparapu Recent Venus for Star Kepler-1141 distance : 0.874 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1141 distance : 1.135 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1141 distance : 1.157 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1141 distance : 1.981 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1141 distance : 2.061 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1141)



    (Position in Stellar Map of star Kepler-1141 and its Exoplanet Kepler-1141 b)



    (Zoomed position in Stellar Map of star Kepler-1141 and its Exoplanet Kepler-1141 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1141*)
    *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