Imaginary Picture of Kepler-1442 b

Display orbital revolution of Kepler-1442 b around the hoststar Kepler-1442
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Exoplanet Name : Kepler-1442 b
Alternate Name : "2MASS J19250134+4850490 b, K03220.01, KIC 11189311 b, KOI-3220 b, KOI-3220.01, WISE J192501.34+485048.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.3510 (Rjup) 3.9344 (Rearth)
Mass (Mjup / Me): 0.0297 (Mjup) 9.4307 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.4053 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2229
Orbital Period(Observed/Estimated) 81.42 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.6093
Star Radiation at Atmospheric Boundary: 35210.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 611.4 (K)
Blackbody T 0.3(K) 574.1 (K)
Blackbody T 0.7(K) 464.5 (K)
Tidally Locked Blackbody T 0.1(K) 727.1 (K)
Tidally Locked Blackbody T 0.3(K) 682.8 (K)
Size Class: 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-1442
Alternate Name : "2MASS J19250134+4850490, KIC 11189311, KOI-3220, WISE J192501.34+485048.9"
Star Distance(LY) : 1984.9
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 1.7 (GY)
Temperature : 6388 (K)
Spectral type : F7
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.3
Absolute Magnitude: 2.3
Apparent Magnitude: 11.2
Right Ascension(RA) 291.2556
Declination (DEC) 48.8470
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-1442+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1442%20b/
Kepler-1442 b
Kepler-1442 b

  • Kepler-1442 b is an exoplanet orbiting the star Kepler-1442, located about 1984.9 light-years (608.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1442 has apparent magnitude of 11.2, with absolute magnitude of 2.3.
  • It is 1.3 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 6388 with its spectral types of F7
  • In this planetary system, the extrasolar planet Kepler-1442 b orbits around the star Kepler-1442 every 81.4 days with its orbital distance of 0.41 AU ( 60632817.4 km)
  • (Projected orbit of Kepler-1442 b around its host star Kepler-1442)


  • The Star Kepler-1442 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.488 AU ( 222572776.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.057 AU ( 307653742.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.134 AU ( 468796219.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.611 AU ( 689854173.8 km)
  • Radiation at Planetary Boundary of Kepler-1442 b : 35210.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1442)



  • Kopparapu Recent Venus for Star Kepler-1442 distance : 1.486 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1442 distance : 1.882 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1442 distance : 1.818 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1442 distance : 1.992 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1442 distance : 3.280 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1442 distance : 3.459 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1442)



  • Original Kopparapu Recent Venus for Star Kepler-1442 distance : 1.508 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1442 distance : 1.930 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1442 distance : 1.995 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1442 distance : 3.339 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1442 distance : 3.473 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1442)



    (Position in Stellar Map of star Kepler-1442 and its Exoplanet Kepler-1442 b)



    (Zoomed position in Stellar Map of star Kepler-1442 and its Exoplanet Kepler-1442 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1442*)
    *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