Imaginary Picture of Kepler-1444 b

Display orbital revolution of Kepler-1444 b around the hoststar Kepler-1444
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Exoplanet Name : Kepler-1444 b
Alternate Name : "2MASS J19011934+4202255 b, K03237.01, KIC 6587796 b, KOI-3237 b, KOI-3237.01, WISE J190119.35+420225.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.1940 (Rjup) 2.1745 (Rearth)
Mass (Mjup / Me): 0.0171 (Mjup) 5.4333 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2051 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0915
Orbital Period(Observed/Estimated) 33.42 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1490
Star Radiation at Atmospheric Boundary: 34188.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 606.9 (K)
Blackbody T 0.3(K) 569.9 (K)
Blackbody T 0.7(K) 461.1 (K)
Tidally Locked Blackbody T 0.1(K) 721.7 (K)
Tidally Locked Blackbody T 0.3(K) 677.8 (K)
Size Class: sub-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-1444
Alternate Name : "2MASS J19011934+4202255, KIC 6587796, KOI-3237, WISE J190119.35+420225.7"
Star Distance(LY) : 1042.4
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.8 (GY)
Temperature : 5875 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.7
Apparent Magnitude: 11.2
Right Ascension(RA) 285.3306
Declination (DEC) 42.0404
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-1444+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1444%20b/
Kepler-1444 b
Kepler-1444 b

  • Kepler-1444 b is an exoplanet orbiting the star Kepler-1444, located about 1042.4 light-years (319.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1444 has apparent magnitude of 11.2, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5875 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1444 b orbits around the star Kepler-1444 every 33.4 days with its orbital distance of 0.21 AU ( 30677384.9 km)
  • (Projected orbit of Kepler-1444 b around its host star Kepler-1444)


  • The Star Kepler-1444 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.742 AU ( 110964874.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.025 AU ( 153382455.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.562 AU ( 233720918.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.299 AU ( 343930569.9 km)
  • Radiation at Planetary Boundary of Kepler-1444 b : 34188.01 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1444)



  • Kopparapu Recent Venus for Star Kepler-1444 distance : 0.764 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1444 distance : 0.968 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1444 distance : 0.935 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1444 distance : 1.025 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1444 distance : 1.705 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1444 distance : 1.798 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1444)



  • Original Kopparapu Recent Venus for Star Kepler-1444 distance : 0.767 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1444 distance : 0.994 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1444 distance : 1.015 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1444 distance : 1.735 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1444 distance : 1.804 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1444)



    (Position in Stellar Map of star Kepler-1444 and its Exoplanet Kepler-1444 b)



    (Zoomed position in Stellar Map of star Kepler-1444 and its Exoplanet Kepler-1444 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1444*)
    *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