Imaginary Picture of Kepler-729 b

Display orbital revolution of Kepler-729 b around the hoststar Kepler-729
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Exoplanet Name : Kepler-729 b
Alternate Name : "2MASS J19052642+4524514 b, K00926.01, KIC 9077124 b, KOI-926 b, KOI-926.01"
Status : Confirmed
Radius (Rjup / Re): 0.3190 (Rjup) 3.5757 (Rearth)
Mass (Mjup / Me): 0.0271 (Mjup) 8.6285 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0413 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0087
Orbital Period(Observed/Estimated) 3.17 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.6749
Star Radiation at Atmospheric Boundary: 1626382.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1593.9 (K)
Blackbody T 0.3(K) 1496.8 (K)
Blackbody T 0.7(K) 1211.1 (K)
Tidally Locked Blackbody T 0.1(K) 1895.4 (K)
Tidally Locked Blackbody T 0.3(K) 1780.0 (K)
Size Class: 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-729
Alternate Name : "2MASS J19052642+4524514, KIC 9077124, KOI-926"
Star Distance(LY) : 6302.8
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 6010 (K)
Spectral type : G5
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: 3.0
Apparent Magnitude: 14.5
Right Ascension(RA) 286.3601
Declination (DEC) 45.4143
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. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 621 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-729&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-729%20b/
Kepler-729 b
Kepler-729 b

  • Kepler-729 b is an exoplanet orbiting the star Kepler-729, located about 6302.8 light-years (1932.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-729 has apparent magnitude of 14.5, with absolute magnitude of 3.0.
  • It is 0.9 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6010 with its spectral types of G5
  • In this planetary system, the extrasolar planet Kepler-729 b orbits around the star Kepler-729 every 3.2 days with its orbital distance of 0.04 AU ( 6184161.6 km)
  • (Projected orbit of Kepler-729 b around its host star Kepler-729)


  • The Star Kepler-729 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.031 AU ( 154284560.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.426 AU ( 213261581.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.172 AU ( 324963455.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.197 AU ( 478197960.5 km)
  • Radiation at Planetary Boundary of Kepler-729 b : 1626382.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-729)



  • Kopparapu Recent Venus for Star Kepler-729 distance : 1.054 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-729 distance : 1.335 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-729 distance : 1.289 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-729 distance : 1.413 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-729 distance : 2.344 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-729 distance : 2.472 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-729)



  • Original Kopparapu Recent Venus for Star Kepler-729 distance : 1.060 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-729 distance : 1.370 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-729 distance : 1.403 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-729 distance : 2.385 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-729 distance : 2.480 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-729)



    (Position in Stellar Map of star Kepler-729 and its Exoplanet Kepler-729 b)



    (Zoomed position in Stellar Map of star Kepler-729 and its Exoplanet Kepler-729 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-729*)
    *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