Imaginary Picture of Kepler-698 b

Display orbital revolution of Kepler-698 b around the hoststar Kepler-698
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Exoplanet Name : Kepler-698 b
Alternate Name : "2MASS J19140239+4118063 b, K00845.01, KIC 6032497 b, KOI-845 b, KOI-845.01, WISE J191402.43+411806.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.3280 (Rjup) 3.6766 (Rearth)
Mass (Mjup / Me): 0.0279 (Mjup) 8.8547 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1234 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0447
Orbital Period(Observed/Estimated) 16.33 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.6551
Star Radiation at Atmospheric Boundary: 244091.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 992.0 (K)
Blackbody T 0.3(K) 931.6 (K)
Blackbody T 0.7(K) 753.8 (K)
Tidally Locked Blackbody T 0.1(K) 1179.7 (K)
Tidally Locked Blackbody T 0.3(K) 1107.9 (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-698
Alternate Name : "2MASS J19140239+4118063, KIC 6032497, KOI-845, WISE J191402.43+411806.2"
Star Distance(LY) : 6538.2
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5875 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.7
Metalicity : -0.0
Absolute Magnitude: 2.7
Apparent Magnitude: 14.3
Right Ascension(RA) 288.5100
Declination (DEC) 41.3018
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 594 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-698%20b/
Kepler-698 b
Kepler-698 b

  • Kepler-698 b is an exoplanet orbiting the star Kepler-698, located about 6538.2 light-years (2004.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-698 has apparent magnitude of 14.3, with absolute magnitude of 2.7.
  • It is 0.9 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5875 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-698 b orbits around the star Kepler-698 every 16.3 days with its orbital distance of 0.12 AU ( 18459833.8 km)
  • (Projected orbit of Kepler-698 b around its host star Kepler-698)


  • The Star Kepler-698 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.193 AU ( 178416305.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.649 AU ( 246617959.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.512 AU ( 375791194.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.697 AU ( 552993204.6 km)
  • Radiation at Planetary Boundary of Kepler-698 b : 244091.65 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-698)



  • Kopparapu Recent Venus for Star Kepler-698 distance : 1.229 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-698 distance : 1.556 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-698 distance : 1.503 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-698 distance : 1.648 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-698 distance : 2.741 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-698 distance : 2.891 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-698)



  • Original Kopparapu Recent Venus for Star Kepler-698 distance : 1.233 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-698 distance : 1.599 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-698 distance : 1.631 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-698 distance : 2.790 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-698 distance : 2.901 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-698)



    (Position in Stellar Map of star Kepler-698 and its Exoplanet Kepler-698 b)



    (Zoomed position in Stellar Map of star Kepler-698 and its Exoplanet Kepler-698 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-698*)
    *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