Imaginary Picture of Kepler-1229 b

Display orbital revolution of Kepler-1229 b around the hoststar Kepler-1229
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Exoplanet Name : Kepler-1229 b
Alternate Name : "2MASS J19495680+4659481 b, K02418.01, KIC 10027247 b, KOI-2418 b, KOI-2418.01, WISE J194956.83+465948.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1250 (Rjup) 1.4011 (Rearth)
Mass (Mjup / Me): 0.0104 (Mjup) 3.3150 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3125 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2377
Orbital Period(Observed/Estimated) 86.83 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6886
Star Radiation at Atmospheric Boundary: 665.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 226.7 (K)
Blackbody T 0.3(K) 212.9 (K)
Blackbody T 0.7(K) 172.3 (K)
Tidally Locked Blackbody T 0.1(K) 269.6 (K)
Tidally Locked Blackbody T 0.3(K) 253.2 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Habitable
Star Name : Kepler-1229
Alternate Name : "2MASS J19495680+4659481, KIC 10027247, KOI-2418, WISE J194956.83+465948.1"
Star Distance(LY) : 865.9
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 3577 (K)
Spectral type : M0
UV portion[%]: 0.5
Visible portion[%]: 19.3
IR portion[%]: 80.2
Metalicity : -0.1
Absolute Magnitude: 6.1
Apparent Magnitude: 13.2
Right Ascension(RA) 297.4867
Declination (DEC) 46.9967
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha16"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 450 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1229+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1229%20b/
Kepler-1229 b
Kepler-1229 b

  • Kepler-1229 b is an exoplanet orbiting the star Kepler-1229, located about 865.9 light-years (265.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1229 has apparent magnitude of 13.2, with absolute magnitude of 6.1.
  • It is 0.5 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3577 with its spectral types of M0
  • In this planetary system, the extrasolar planet Kepler-1229 b orbits around the star Kepler-1229 every 86.8 days with its orbital distance of 0.31 AU ( 46749073.9 km)
  • (Projected orbit of Kepler-1229 b around its host star Kepler-1229)


  • The Star Kepler-1229 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.158 AU ( 23594363.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.218 AU ( 32613575.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.332 AU ( 49695872.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.489 AU ( 73129652.9 km)
  • Radiation at Planetary Boundary of Kepler-1229 b : 665.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1229)



  • Kopparapu Recent Venus for Star Kepler-1229 distance : 0.178 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1229 distance : 0.225 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1229 distance : 0.218 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1229 distance : 0.239 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1229 distance : 0.437 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1229 distance : 0.461 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1229)



  • Original Kopparapu Recent Venus for Star Kepler-1229 distance : 0.176 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1229 distance : 0.233 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1229 distance : 0.233 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1229 distance : 0.444 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1229 distance : 0.461 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1229)



    (Position in Stellar Map of star Kepler-1229 and its Exoplanet Kepler-1229 b)



    (Zoomed position in Stellar Map of star Kepler-1229 and its Exoplanet Kepler-1229 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1229*)
    *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