Imaginary Picture of Kepler-554 b
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Exoplanet Name : Kepler-554 b
Alternate Name :
Radius (Rjup / Re): 0.3830 (Rjup) 4.2930 (Rearth)
Mass (Mjup / Me): 0.0551 (Mjup) 17.5093 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0293 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0052
Orbital Period(Observed/Estimated) 1.90 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 1197895.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1476.5 (K)
Blackbody T 0.3(K) 1386.6 (K)
Blackbody T 0.7(K) 1121.9 (K)
Tidally Locked Blackbody T 0.1(K) 1755.9 (K)
Tidally Locked Blackbody T 0.3(K) 1649.0 (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-554
Alternate Name :
Star Distance(LY) : 2251.2
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5458 (K)
Spectral type : G7
Metalicity : 0.1
Absolute Magnitude: 3.8
Apparent Magnitude: 13.0
Right Ascension(RA) 296.4069
Declination (DEC) 51.3582
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 487 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-554%20b/
Kepler-554 b
Kepler-554 b

  • Kepler-554 b is an exoplanet orbiting the star Kepler-554, located about 2251.2 light-years (690.2 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-554 has apparent magnitude of 13.0, with absolute magnitude of 3.8.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5458 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-554 b orbits around the star Kepler-554 every 1.9 days with its orbital distance of 0.03 AU ( 4387310.1 km)
  • (Projected orbit of Kepler-554 b around its host star Kepler-554)


  • The Star Kepler-554 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.628 AU ( 93937287.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.868 AU ( 129845880.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.323 AU ( 197856386.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.946 AU ( 291154340.1 km)
  • Radiation at Planetary Boundary of Kepler-554 b : 1197895.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-554)



  • Kopparapu Recent Venus for Star Kepler-554 distance : 0.663 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-554 distance : 0.840 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-554 distance : 0.811 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-554 distance : 0.889 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-554 distance : 1.497 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-554 distance : 1.579 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-554)



  • Original Kopparapu Recent Venus for Star Kepler-554 distance : 0.660 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-554 distance : 0.864 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-554 distance : 0.873 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-554 distance : 1.523 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-554 distance : 1.584 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-554)



    (Position in Stellar Map of star Kepler-554 and its Exoplanet Kepler-554 b)



    (Zoomed position in Stellar Map of star Kepler-554 and its Exoplanet Kepler-554 b (zoom level 3))