Imaginary Picture of Kepler-29 c

Display orbital revolution of Kepler-29 c around the hoststar Kepler-29
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Exoplanet Name : Kepler-29 c
Alternate Name : "2MASS J19532359+4729284 c, K00738.02, KIC 10358759 c, KOI-738 c, KOI-738.02, WISE J195323.60+472928.3 c"
Status : Confirmed
Radius (Rjup / Re): 0.2090 (Rjup) 2.3427 (Rearth)
Mass (Mjup / Me): 0.0142 (Mjup) 4.5020 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1100 (AU) 0.1100 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0364
Orbital Period(Observed/Estimated) 13.29 (Days Obs.) 15.29 (Days Est.)
Surface Gravity (G Earth) 0.8203
Star Radiation at Atmospheric Boundary: 47435.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 658.7 (K)
Blackbody T 0.3(K) 618.6 (K)
Blackbody T 0.7(K) 500.5 (K)
Tidally Locked Blackbody T 0.1(K) 783.3 (K)
Tidally Locked Blackbody T 0.3(K) 735.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : TTV
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-29
Alternate Name : "2MASS J19532359+4729284, KIC 10358759, KOI-738, WISE J195323.60+472928.3"
Star Distance(LY) : 2717.9
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5378 (K)
Spectral type : G7
UV portion[%]: 6.3
Visible portion[%]: 42.2
IR portion[%]: 51.5
Metalicity : -0.4
Absolute Magnitude: 5.9
Apparent Magnitude: 15.5
Right Ascension(RA) 298.3483
Declination (DEC) 47.4912
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-29%20c/
Kepler-29 c
Kepler-29 c

  • Kepler-29 c is an exoplanet orbiting the star Kepler-29, located about 2717.9 light-years (833.3 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star Kepler-29 has apparent magnitude of 15.5, with absolute magnitude of 5.9.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5378 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-29 c orbits around the star Kepler-29 every 13.3 days with its orbital distance of 0.11 AU ( 16455765.8 km)
  • (Projected orbit of Kepler-29 c around its host star Kepler-29)


  • The Star Kepler-29 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.469 AU ( 70113444.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.648 AU ( 96915103.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.987 AU ( 147677170.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.453 AU ( 217313426.2 km)
  • Radiation at Planetary Boundary of Kepler-29 c : 47435.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-29)



  • Kopparapu Recent Venus for Star Kepler-29 distance : 0.497 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-29 distance : 0.630 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-29 distance : 0.608 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-29 distance : 0.667 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-29 distance : 1.125 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-29 distance : 1.187 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-29)



  • Original Kopparapu Recent Venus for Star Kepler-29 distance : 0.494 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-29 distance : 0.648 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-29 distance : 0.654 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-29 distance : 1.145 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-29 distance : 1.190 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-29)



    (Position in Stellar Map of star Kepler-29 and its Exoplanet Kepler-29 c)



    (Zoomed position in Stellar Map of star Kepler-29 and its Exoplanet Kepler-29 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-29*)
    *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