Imaginary Picture of Kepler-1142 b

Display orbital revolution of Kepler-1142 b around the hoststar Kepler-1142
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Exoplanet Name : Kepler-1142 b
Alternate Name : "2MASS J19305146+4404564 b, K02209.01, KIC 8168187 b, KOI-2209 b, KOI-2209.01, WISE J193051.47+440456.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1310 (Rjup) 1.4684 (Rearth)
Mass (Mjup / Me): 0.0124 (Mjup) 3.9360 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1345 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0501
Orbital Period(Observed/Estimated) 18.30 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.8255
Star Radiation at Atmospheric Boundary: 201174.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 945.2 (K)
Blackbody T 0.3(K) 887.7 (K)
Blackbody T 0.7(K) 718.2 (K)
Tidally Locked Blackbody T 0.1(K) 1124.1 (K)
Tidally Locked Blackbody T 0.3(K) 1055.6 (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-1142
Alternate Name : "2MASS J19305146+4404564, KIC 8168187, KOI-2209, WISE J193051.47+440456.3"
Star Distance(LY) : 4153.5
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.4 (GY)
Temperature : 5530 (K)
Spectral type : G4
UV portion[%]: 7.6
Visible portion[%]: 44.3
IR portion[%]: 48.1
Metalicity : 0.0
Absolute Magnitude: 2.5
Apparent Magnitude: 13.0
Right Ascension(RA) 292.7144
Declination (DEC) 44.0823
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-1142+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1142%20b/
Kepler-1142 b
Kepler-1142 b

  • Kepler-1142 b is an exoplanet orbiting the star Kepler-1142, located about 4153.5 light-years (1273.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1142 has apparent magnitude of 13.0, with absolute magnitude of 2.5.
  • It is 1.0 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5530 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-1142 b orbits around the star Kepler-1142 every 18.3 days with its orbital distance of 0.13 AU ( 20127956.0 km)
  • (Projected orbit of Kepler-1142 b around its host star Kepler-1142)


  • The Star Kepler-1142 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.181 AU ( 176610318.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.632 AU ( 244121614.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.487 AU ( 371987316.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.659 AU ( 547395632.0 km)
  • Radiation at Planetary Boundary of Kepler-1142 b : 201174.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1142)



  • Kopparapu Recent Venus for Star Kepler-1142 distance : 1.242 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1142 distance : 1.572 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1142 distance : 1.519 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1142 distance : 1.665 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1142 distance : 2.796 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1142 distance : 2.950 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1142)



  • Original Kopparapu Recent Venus for Star Kepler-1142 distance : 1.238 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1142 distance : 1.617 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1142 distance : 1.637 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1142 distance : 2.845 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1142 distance : 2.959 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1142)



    (Position in Stellar Map of star Kepler-1142 and its Exoplanet Kepler-1142 b)



    (Zoomed position in Stellar Map of star Kepler-1142 and its Exoplanet Kepler-1142 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1142*)
    *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