Imaginary Picture of Kepler-1144 b

Display orbital revolution of Kepler-1144 b around the hoststar Kepler-1144
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Exoplanet Name : Kepler-1144 b
Alternate Name : "2MASS J19201039+4715287 b, K02212.01, KIC 10203349 b, KOI-2212 b, KOI-2212.01, WISE J192010.37+471528.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1780 (Rjup) 1.9952 (Rearth)
Mass (Mjup / Me): 0.0158 (Mjup) 5.0153 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1293 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0469
Orbital Period(Observed/Estimated) 17.15 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2599
Star Radiation at Atmospheric Boundary: 84534.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 761.0 (K)
Blackbody T 0.3(K) 714.7 (K)
Blackbody T 0.7(K) 578.3 (K)
Tidally Locked Blackbody T 0.1(K) 905.0 (K)
Tidally Locked Blackbody T 0.3(K) 849.9 (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-1144
Alternate Name : "2MASS J19201039+4715287, KIC 10203349, KOI-2212, WISE J192010.37+471528.5"
Star Distance(LY) : 3722.5
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 5557 (K)
Spectral type : G3
UV portion[%]: 7.7
Visible portion[%]: 44.7
IR portion[%]: 47.6
Metalicity : -0.0
Absolute Magnitude: 3.5
Apparent Magnitude: 13.8
Right Ascension(RA) 290.0433
Declination (DEC) 47.2580
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-1144+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1144%20b/
Kepler-1144 b
Kepler-1144 b

  • Kepler-1144 b is an exoplanet orbiting the star Kepler-1144, located about 3722.5 light-years (1141.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1144 has apparent magnitude of 13.8, with absolute magnitude of 3.5.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5557 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-1144 b orbits around the star Kepler-1144 every 17.1 days with its orbital distance of 0.13 AU ( 19337061.9 km)
  • (Projected orbit of Kepler-1144 b around its host star Kepler-1144)


  • The Star Kepler-1144 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.735 AU ( 109985795.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.016 AU ( 152029111.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.549 AU ( 231658721.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.279 AU ( 340895957.6 km)
  • Radiation at Planetary Boundary of Kepler-1144 b : 84534.04 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1144)



  • Kopparapu Recent Venus for Star Kepler-1144 distance : 0.772 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1144 distance : 0.978 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1144 distance : 0.944 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1144 distance : 1.035 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1144 distance : 1.737 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1144 distance : 1.832 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1144)



  • Original Kopparapu Recent Venus for Star Kepler-1144 distance : 0.770 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1144 distance : 1.005 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1144 distance : 1.019 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1144 distance : 1.768 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1144 distance : 1.838 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1144)



    (Position in Stellar Map of star Kepler-1144 and its Exoplanet Kepler-1144 b)



    (Zoomed position in Stellar Map of star Kepler-1144 and its Exoplanet Kepler-1144 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1144*)
    *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