Imaginary Picture of Kepler-894 b

Display orbital revolution of Kepler-894 b around the hoststar Kepler-894
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Exoplanet Name : Kepler-894 b
Alternate Name : "2MASS J19145618+4656218 b, K01572.01, KIC 10004519 b, KOI-1572 b, KOI-1572.01, WISE J191456.17+465621.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2480 (Rjup) 2.7798 (Rearth)
Mass (Mjup / Me): 0.0215 (Mjup) 6.8273 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0856 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0268
Orbital Period(Observed/Estimated) 9.80 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8835
Star Radiation at Atmospheric Boundary: 187804.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 929.1 (K)
Blackbody T 0.3(K) 872.5 (K)
Blackbody T 0.7(K) 706.0 (K)
Tidally Locked Blackbody T 0.1(K) 1104.9 (K)
Tidally Locked Blackbody T 0.3(K) 1037.6 (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-894
Alternate Name : "2MASS J19145618+4656218, KIC 10004519, KOI-1572, WISE J191456.17+465621.8"
Star Distance(LY) : 3797.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 6176 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : -0.2
Absolute Magnitude: 4.0
Apparent Magnitude: 14.3
Right Ascension(RA) 288.7341
Declination (DEC) 46.9394
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 731 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-894&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-894%20b/
Kepler-894 b
Kepler-894 b

  • Kepler-894 b is an exoplanet orbiting the star Kepler-894, located about 3797.7 light-years (1164.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-894 has apparent magnitude of 14.3, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 6176 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-894 b orbits around the star Kepler-894 every 9.8 days with its orbital distance of 0.09 AU ( 12802190.9 km)
  • (Projected orbit of Kepler-894 b around its host star Kepler-894)


  • The Star Kepler-894 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.726 AU ( 108534348.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.003 AU ( 150022832.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.528 AU ( 228601597.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.249 AU ( 336397264.7 km)
  • Radiation at Planetary Boundary of Kepler-894 b : 187804.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-894)



  • Kopparapu Recent Venus for Star Kepler-894 distance : 0.734 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-894 distance : 0.930 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-894 distance : 0.898 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-894 distance : 0.984 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-894 distance : 1.626 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-894 distance : 1.715 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-894)



  • Original Kopparapu Recent Venus for Star Kepler-894 distance : 0.741 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-894 distance : 0.954 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-894 distance : 0.981 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-894 distance : 1.655 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-894 distance : 1.721 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-894)



    (Position in Stellar Map of star Kepler-894 and its Exoplanet Kepler-894 b)



    (Zoomed position in Stellar Map of star Kepler-894 and its Exoplanet Kepler-894 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-894*)
    *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