Imaginary Picture of Kepler-1441 b

Display orbital revolution of Kepler-1441 b around the hoststar Kepler-1441
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Exoplanet Name : Kepler-1441 b
Alternate Name : "2MASS J19345259+4307285 b, K03147.01, KIC 7534267 b, KOI-3147 b, KOI-3147.01"
Status : Confirmed
Radius (Rjup / Re): 0.1170 (Rjup) 1.3115 (Rearth)
Mass (Mjup / Me): 0.0082 (Mjup) 2.6041 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2268 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1080
Orbital Period(Observed/Estimated) 39.44 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5141
Star Radiation at Atmospheric Boundary: 48290.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 661.6 (K)
Blackbody T 0.3(K) 621.3 (K)
Blackbody T 0.7(K) 502.7 (K)
Tidally Locked Blackbody T 0.1(K) 786.8 (K)
Tidally Locked Blackbody T 0.3(K) 738.9 (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-1441
Alternate Name : "2MASS J19345259+4307285, KIC 7534267, KOI-3147"
Star Distance(LY) : 3620.7
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 5425 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 2.9
Apparent Magnitude: 13.1
Right Ascension(RA) 293.7191
Declination (DEC) 43.1246
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-1441+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1441%20b/
Kepler-1441 b
Kepler-1441 b

  • Kepler-1441 b is an exoplanet orbiting the star Kepler-1441, located about 3620.7 light-years (1110.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1441 has apparent magnitude of 13.1, with absolute magnitude of 2.9.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5425 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1441 b orbits around the star Kepler-1441 every 39.4 days with its orbital distance of 0.23 AU ( 33923795.0 km)
  • (Projected orbit of Kepler-1441 b around its host star Kepler-1441)


  • The Star Kepler-1441 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.975 AU ( 145836113.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.348 AU ( 201583620.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.053 AU ( 307168827.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.022 AU ( 452012386.3 km)
  • Radiation at Planetary Boundary of Kepler-1441 b : 48290.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1441)



  • Kopparapu Recent Venus for Star Kepler-1441 distance : 1.031 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1441 distance : 1.306 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1441 distance : 1.261 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1441 distance : 1.384 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1441 distance : 2.331 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1441 distance : 2.458 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1441)



  • Original Kopparapu Recent Venus for Star Kepler-1441 distance : 1.026 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1441 distance : 1.344 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1441 distance : 1.358 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1441 distance : 2.371 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1441 distance : 2.466 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1441)



    (Position in Stellar Map of star Kepler-1441 and its Exoplanet Kepler-1441 b)



    (Zoomed position in Stellar Map of star Kepler-1441 and its Exoplanet Kepler-1441 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1441*)
    *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