Imaginary Picture of Kepler-722 c

Display orbital revolution of Kepler-722 c around the hoststar Kepler-722
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Exoplanet Name : Kepler-722 c
Alternate Name : "2MASS J19210318+4433232 c, K00911.02, KIC 8490993 c, KOI-911 c, KOI-911.02, WISE J192103.19+443323.1 c"
Status : Confirmed
Radius (Rjup / Re): 0.2520 (Rjup) 2.8247 (Rearth)
Mass (Mjup / Me): 0.0218 (Mjup) 6.9297 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.4403 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2879
Orbital Period(Observed/Estimated) 105.14 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8685
Star Radiation at Atmospheric Boundary: 7723.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 418.4 (K)
Blackbody T 0.3(K) 392.9 (K)
Blackbody T 0.7(K) 317.9 (K)
Tidally Locked Blackbody T 0.1(K) 497.6 (K)
Tidally Locked Blackbody T 0.3(K) 467.3 (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-722
Alternate Name : "2MASS J19210318+4433232, KIC 8490993, KOI-911, WISE J192103.19+443323.1"
Star Distance(LY) : 4050.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 6084 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.8
Apparent Magnitude: 14.3
Right Ascension(RA) 290.2633
Declination (DEC) 44.5564
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 614 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-722&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-722%20c/
Kepler-722 c
Kepler-722 c

  • Kepler-722 c is an exoplanet orbiting the star Kepler-722, located about 4050.2 light-years (1241.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-722 has apparent magnitude of 14.3, with absolute magnitude of 3.8.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 6084 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-722 c orbits around the star Kepler-722 every 105.1 days with its orbital distance of 0.44 AU ( 65867229.5 km)
  • (Projected orbit of Kepler-722 c around its host star Kepler-722)


  • The Star Kepler-722 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.757 AU ( 113242257.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.046 AU ( 156530393.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.594 AU ( 238517679.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.346 AU ( 350989213.8 km)
  • Radiation at Planetary Boundary of Kepler-722 c : 7723.56 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-722)



  • Kopparapu Recent Venus for Star Kepler-722 distance : 0.770 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-722 distance : 0.975 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-722 distance : 0.942 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-722 distance : 1.032 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-722 distance : 1.710 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-722 distance : 1.803 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-722)



  • Original Kopparapu Recent Venus for Star Kepler-722 distance : 0.776 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-722 distance : 1.001 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-722 distance : 1.027 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-722 distance : 1.740 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-722 distance : 1.810 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-722)



    (Position in Stellar Map of star Kepler-722 and its Exoplanet Kepler-722 c)



    (Zoomed position in Stellar Map of star Kepler-722 and its Exoplanet Kepler-722 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-722*)
    *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