Imaginary Picture of Kepler-897 b

Display orbital revolution of Kepler-897 b around the hoststar Kepler-897
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Exoplanet Name : Kepler-897 b
Alternate Name : "2MASS J19222084+5141449 b, K01583.01, KIC 12602568 b, KOI-1583 b, KOI-1583.01, WISE J192220.83+514144.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2130 (Rjup) 2.3875 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9266 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0794 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0220
Orbital Period(Observed/Estimated) 8.05 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0397
Star Radiation at Atmospheric Boundary: 455657.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1159.6 (K)
Blackbody T 0.3(K) 1089.0 (K)
Blackbody T 0.7(K) 881.1 (K)
Tidally Locked Blackbody T 0.1(K) 1379.0 (K)
Tidally Locked Blackbody T 0.3(K) 1295.0 (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-897
Alternate Name : "2MASS J19222084+5141449, KIC 12602568, KOI-1583, WISE J192220.83+514144.8"
Star Distance(LY) : 4962.9
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5837 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.0
Apparent Magnitude: 13.9
Right Ascension(RA) 290.5868
Declination (DEC) 51.6958
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 734 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-897&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-897%20b/
Kepler-897 b
Kepler-897 b

  • Kepler-897 b is an exoplanet orbiting the star Kepler-897, located about 4962.9 light-years (1521.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-897 has apparent magnitude of 13.9, with absolute magnitude of 3.0.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5837 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-897 b orbits around the star Kepler-897 every 8.0 days with its orbital distance of 0.08 AU ( 11873438.6 km)
  • (Projected orbit of Kepler-897 b around its host star Kepler-897)


  • The Star Kepler-897 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.048 AU ( 156792701.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.449 AU ( 216728488.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.208 AU ( 330246254.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.249 AU ( 485971830.9 km)
  • Radiation at Planetary Boundary of Kepler-897 b : 455657.03 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-897)



  • Kopparapu Recent Venus for Star Kepler-897 distance : 1.082 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-897 distance : 1.371 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-897 distance : 1.324 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-897 distance : 1.451 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-897 distance : 2.417 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-897 distance : 2.549 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-897)



  • Original Kopparapu Recent Venus for Star Kepler-897 distance : 1.085 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-897 distance : 1.408 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-897 distance : 1.436 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-897 distance : 2.459 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-897 distance : 2.558 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-897)



    (Position in Stellar Map of star Kepler-897 and its Exoplanet Kepler-897 b)



    (Zoomed position in Stellar Map of star Kepler-897 and its Exoplanet Kepler-897 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-897*)
    *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