Imaginary Picture of Kepler-1448 b

Display orbital revolution of Kepler-1448 b around the hoststar Kepler-1448
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Exoplanet Name : Kepler-1448 b
Alternate Name : "2MASS J19112817+5035441 b, K03261.01, KIC 12055539 b, KOI-3261 b, KOI-3261.01, WISE J191128.16+503544.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.1440 (Rjup) 1.6141 (Rearth)
Mass (Mjup / Me): 0.0130 (Mjup) 4.1180 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1024 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0336
Orbital Period(Observed/Estimated) 12.27 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5806
Star Radiation at Atmospheric Boundary: 126319.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 841.4 (K)
Blackbody T 0.3(K) 790.2 (K)
Blackbody T 0.7(K) 639.3 (K)
Tidally Locked Blackbody T 0.1(K) 1000.6 (K)
Tidally Locked Blackbody T 0.3(K) 939.7 (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-1448
Alternate Name : "2MASS J19112817+5035441, KIC 12055539, KOI-3261, WISE J191128.16+503544.0"
Star Distance(LY) : 2506.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.5 (GY)
Temperature : 6089 (K)
Spectral type : G3
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.2
Absolute Magnitude: 4.0
Apparent Magnitude: 13.4
Right Ascension(RA) 287.8674
Declination (DEC) 50.5956
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-1448+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1448%20b/
Kepler-1448 b
Kepler-1448 b

  • Kepler-1448 b is an exoplanet orbiting the star Kepler-1448, located about 2506.8 light-years (768.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1448 has apparent magnitude of 13.4, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 6089 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-1448 b orbits around the star Kepler-1448 every 12.3 days with its orbital distance of 0.10 AU ( 15311522.6 km)
  • (Projected orbit of Kepler-1448 b around its host star Kepler-1448)


  • The Star Kepler-1448 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.712 AU ( 106459343.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.984 AU ( 147154633.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.499 AU ( 224231096.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.206 AU ( 329965880.9 km)
  • Radiation at Planetary Boundary of Kepler-1448 b : 126319.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1448)



  • Kopparapu Recent Venus for Star Kepler-1448 distance : 0.724 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1448 distance : 0.917 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1448 distance : 0.885 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1448 distance : 0.970 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1448 distance : 1.607 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1448 distance : 1.694 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1448)



  • Original Kopparapu Recent Venus for Star Kepler-1448 distance : 0.729 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1448 distance : 0.941 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1448 distance : 0.965 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1448 distance : 1.635 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1448 distance : 1.700 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1448)



    (Position in Stellar Map of star Kepler-1448 and its Exoplanet Kepler-1448 b)



    (Zoomed position in Stellar Map of star Kepler-1448 and its Exoplanet Kepler-1448 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1448*)
    *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