Imaginary Picture of Kepler-725 b

Display orbital revolution of Kepler-725 b around the hoststar Kepler-725
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Exoplanet Name : Kepler-725 b
Alternate Name : "2MASS J18555459+4448416 b, K00918.01, KIC 8672910 b, KOI-918 b, KOI-918.01, WISE J185554.60+444841.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.9480 (Rjup) 10.6261 (Rearth)
Mass (Mjup / Me): 0.8351 (Mjup) 265.5194 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2180 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1085
Orbital Period(Observed/Estimated) 39.64 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.3515
Star Radiation at Atmospheric Boundary: 14557.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 490.2 (K)
Blackbody T 0.3(K) 460.4 (K)
Blackbody T 0.7(K) 372.5 (K)
Tidally Locked Blackbody T 0.1(K) 583.0 (K)
Tidally Locked Blackbody T 0.3(K) 547.5 (K)
Size Class: Jupiter-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-725
Alternate Name : "2MASS J18555459+4448416, KIC 8672910, KOI-918, WISE J185554.60+444841.6"
Star Distance(LY) : 2473.6
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5399 (K)
Spectral type : G7
UV portion[%]: 6.4
Visible portion[%]: 42.4
IR portion[%]: 51.2
Metalicity : -0.0
Absolute Magnitude: 4.3
Apparent Magnitude: 13.7
Right Ascension(RA) 283.9775
Declination (DEC) 44.8116
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 617 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-725&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-725%20b/
Kepler-725 b
Kepler-725 b

  • Kepler-725 b is an exoplanet orbiting the star Kepler-725, located about 2473.6 light-years (758.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-725 has apparent magnitude of 13.7, with absolute magnitude of 4.3.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5399 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-725 b orbits around the star Kepler-725 every 39.6 days with its orbital distance of 0.22 AU ( 32619086.6 km)
  • (Projected orbit of Kepler-725 b around its host star Kepler-725)


  • The Star Kepler-725 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.515 AU ( 76991428.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.711 AU ( 106422274.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.084 AU ( 162163994.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.595 AU ( 238631421.9 km)
  • Radiation at Planetary Boundary of Kepler-725 b : 14557.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-725)



  • Kopparapu Recent Venus for Star Kepler-725 distance : 0.545 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-725 distance : 0.690 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-725 distance : 0.667 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-725 distance : 0.731 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-725 distance : 1.233 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-725 distance : 1.301 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-725)



  • Original Kopparapu Recent Venus for Star Kepler-725 distance : 0.542 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-725 distance : 0.711 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-725 distance : 0.718 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-725 distance : 1.255 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-725 distance : 1.305 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-725)



    (Position in Stellar Map of star Kepler-725 and its Exoplanet Kepler-725 b)



    (Zoomed position in Stellar Map of star Kepler-725 and its Exoplanet Kepler-725 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-725*)
    *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