Imaginary Picture of Kepler-834 b

Display orbital revolution of Kepler-834 b around the hoststar Kepler-834
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Exoplanet Name : Kepler-834 b
Alternate Name : "2MASS J19081308+4510493 b, K01404.01, KIC 8874090 b, KOI-1404 b, KOI-1404.01, WISE J190813.07+451049.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.1800 (Rjup) 2.0176 (Rearth)
Mass (Mjup / Me): 0.0159 (Mjup) 5.0677 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0977 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0365
Orbital Period(Observed/Estimated) 13.32 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2449
Star Radiation at Atmospheric Boundary: 12601.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 472.9 (K)
Blackbody T 0.3(K) 444.1 (K)
Blackbody T 0.7(K) 359.3 (K)
Tidally Locked Blackbody T 0.1(K) 562.3 (K)
Tidally Locked Blackbody T 0.3(K) 528.1 (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-834
Alternate Name : "2MASS J19081308+4510493, KIC 8874090, KOI-1404, WISE J190813.07+451049.2"
Star Distance(LY) : 2069.3
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 2.7 (GY)
Temperature : 3750 (K)
Spectral type : K4
UV portion[%]: 0.3
Visible portion[%]: 13.4
IR portion[%]: 86.3
Metalicity : -0.1
Absolute Magnitude: 5.2
Apparent Magnitude: 14.2
Right Ascension(RA) 287.0545
Declination (DEC) 45.1804
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 700 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-834&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-834%20b/
Kepler-834 b
Kepler-834 b

  • Kepler-834 b is an exoplanet orbiting the star Kepler-834, located about 2069.3 light-years (634.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-834 has apparent magnitude of 14.2, with absolute magnitude of 5.2.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 3750 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-834 b orbits around the star Kepler-834 every 13.3 days with its orbital distance of 0.10 AU ( 14610053.8 km)
  • (Projected orbit of Kepler-834 b around its host star Kepler-834)


  • The Star Kepler-834 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.214 AU ( 32084354.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.296 AU ( 44348962.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.452 AU ( 67578004.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.665 AU ( 99443994.3 km)
  • Radiation at Planetary Boundary of Kepler-834 b : 12601.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-834)



  • Kopparapu Recent Venus for Star Kepler-834 distance : 0.241 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-834 distance : 0.306 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-834 distance : 0.295 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-834 distance : 0.324 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-834 distance : 0.587 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-834 distance : 0.619 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-834)



  • Original Kopparapu Recent Venus for Star Kepler-834 distance : 0.239 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-834 distance : 0.316 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-834 distance : 0.316 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-834 distance : 0.597 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-834 distance : 0.620 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-834)



    (Position in Stellar Map of star Kepler-834 and its Exoplanet Kepler-834 b)



    (Zoomed position in Stellar Map of star Kepler-834 and its Exoplanet Kepler-834 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-834*)
    *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