Imaginary Picture of Kepler-712 b

Display orbital revolution of Kepler-712 b around the hoststar Kepler-712
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Exoplanet Name : Kepler-712 b
Alternate Name : "2MASS J19393833+4256069 b, K00881.01, KIC 7373451 b, KOI-881 b, KOI-881.01, WISE J193938.32+425606.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.3040 (Rjup) 3.4075 (Rearth)
Mass (Mjup / Me): 0.0260 (Mjup) 8.2505 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1407 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0576
Orbital Period(Observed/Estimated) 21.02 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.7106
Star Radiation at Atmospheric Boundary: 20711.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 535.4 (K)
Blackbody T 0.3(K) 502.8 (K)
Blackbody T 0.7(K) 406.8 (K)
Tidally Locked Blackbody T 0.1(K) 636.7 (K)
Tidally Locked Blackbody T 0.3(K) 598.0 (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-712
Alternate Name : "2MASS J19393833+4256069, KIC 7373451, KOI-881, WISE J193938.32+425606.7"
Star Distance(LY) : 2850.2
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 3.3 (GY)
Temperature : 4927 (K)
Spectral type : K1
UV portion[%]: 4.4
Visible portion[%]: 39.3
IR portion[%]: 56.3
Metalicity : -0.0
Absolute Magnitude: 4.7
Apparent Magnitude: 14.4
Right Ascension(RA) 294.9097
Declination (DEC) 42.9353
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 602 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-712&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-712%20b/
Kepler-712 b
Kepler-712 b

  • Kepler-712 b is an exoplanet orbiting the star Kepler-712, located about 2850.2 light-years (873.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-712 has apparent magnitude of 14.4, with absolute magnitude of 4.7.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4927 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-712 b orbits around the star Kepler-712 every 21.0 days with its orbital distance of 0.14 AU ( 21041706.0 km)
  • (Projected orbit of Kepler-712 b around its host star Kepler-712)


  • The Star Kepler-712 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.396 AU ( 59240431.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.547 AU ( 81885757.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.834 AU ( 124775773.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.227 AU ( 183613016.7 km)
  • Radiation at Planetary Boundary of Kepler-712 b : 20711.61 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-712)



  • Kopparapu Recent Venus for Star Kepler-712 distance : 0.430 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-712 distance : 0.544 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-712 distance : 0.526 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-712 distance : 0.577 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-712 distance : 0.989 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-712 distance : 1.044 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-712)



  • Original Kopparapu Recent Venus for Star Kepler-712 distance : 0.425 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-712 distance : 0.561 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-712 distance : 0.562 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-712 distance : 1.006 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-712 distance : 1.046 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-712)



    (Position in Stellar Map of star Kepler-712 and its Exoplanet Kepler-712 b)



    (Zoomed position in Stellar Map of star Kepler-712 and its Exoplanet Kepler-712 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-712*)
    *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