Imaginary Picture of Kepler-1400 b

Display orbital revolution of Kepler-1400 b around the hoststar Kepler-1400
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Exoplanet Name : Kepler-1400 b
Alternate Name : "2MASS J19050519+4526269 b, K02981.01, KIC 9076971 b, KOI-2981 b, KOI-2981.01, WISE J190505.15+452626.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.1450 (Rjup) 1.6253 (Rearth)
Mass (Mjup / Me): 0.0130 (Mjup) 4.1446 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0800 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0248
Orbital Period(Observed/Estimated) 9.07 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5690
Star Radiation at Atmospheric Boundary: 56500.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 688.1 (K)
Blackbody T 0.3(K) 646.2 (K)
Blackbody T 0.7(K) 522.8 (K)
Tidally Locked Blackbody T 0.1(K) 818.3 (K)
Tidally Locked Blackbody T 0.3(K) 768.5 (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-1400
Alternate Name : "2MASS J19050519+4526269, KIC 9076971, KOI-2981, WISE J190505.15+452626.6"
Star Distance(LY) : 2454.4
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 5135 (K)
Spectral type : K1
UV portion[%]: 3.5
Visible portion[%]: 37.6
IR portion[%]: 58.9
Metalicity : 0.0
Absolute Magnitude: 4.9
Apparent Magnitude: 14.3
Right Ascension(RA) 286.2717
Declination (DEC) 45.4408
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-1400+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1400%20b/
Kepler-1400 b
Kepler-1400 b

  • Kepler-1400 b is an exoplanet orbiting the star Kepler-1400, located about 2454.4 light-years (752.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1400 has apparent magnitude of 14.3, with absolute magnitude of 4.9.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5135 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-1400 b orbits around the star Kepler-1400 every 9.1 days with its orbital distance of 0.08 AU ( 11963648.9 km)
  • (Projected orbit of Kepler-1400 b around its host star Kepler-1400)


  • The Star Kepler-1400 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.372 AU ( 55631401.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.514 AU ( 76897134.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.783 AU ( 117174215.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.153 AU ( 172426991.1 km)
  • Radiation at Planetary Boundary of Kepler-1400 b : 56500.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1400)



  • Kopparapu Recent Venus for Star Kepler-1400 distance : 0.400 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1400 distance : 0.506 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1400 distance : 0.489 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1400 distance : 0.536 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1400 distance : 0.912 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1400 distance : 0.962 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1400)



  • Original Kopparapu Recent Venus for Star Kepler-1400 distance : 0.396 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1400 distance : 0.521 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1400 distance : 0.524 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1400 distance : 0.928 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1400 distance : 0.965 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1400)



    (Position in Stellar Map of star Kepler-1400 and its Exoplanet Kepler-1400 b)



    (Zoomed position in Stellar Map of star Kepler-1400 and its Exoplanet Kepler-1400 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1400*)
    *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