Imaginary Picture of Kepler-1553 b

Display orbital revolution of Kepler-1553 b around the hoststar Kepler-1553
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Exoplanet Name : Kepler-1553 b
Alternate Name : "2MASS J19274059+3901201 b, K04117.01, KIC 3955817 b, KOI-4117 b, KOI-4117.01, WISE J192740.59+390119.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.1030 (Rjup) 1.1545 (Rearth)
Mass (Mjup / Me): 0.0052 (Mjup) 1.6403 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0486 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0116
Orbital Period(Observed/Estimated) 4.24 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2306
Star Radiation at Atmospheric Boundary: 222419.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 969.2 (K)
Blackbody T 0.3(K) 910.2 (K)
Blackbody T 0.7(K) 736.5 (K)
Tidally Locked Blackbody T 0.1(K) 1152.6 (K)
Tidally Locked Blackbody T 0.3(K) 1082.4 (K)
Size Class: Earth-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-1553
Alternate Name : "2MASS J19274059+3901201, KIC 3955817, KOI-4117, WISE J192740.59+390119.9"
Star Distance(LY) : 2258.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 5073 (K)
Spectral type : K0
UV portion[%]: 5.7
Visible portion[%]: 41.3
IR portion[%]: 53.0
Metalicity : -0.1
Absolute Magnitude: 4.5
Apparent Magnitude: 13.7
Right Ascension(RA) 291.9192
Declination (DEC) 39.0223
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1553%20b/
Kepler-1553 b
Kepler-1553 b

  • Kepler-1553 b is an exoplanet orbiting the star Kepler-1553, located about 2258.4 light-years (692.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1553 has apparent magnitude of 13.7, with absolute magnitude of 4.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5073 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-1553 b orbits around the star Kepler-1553 every 4.2 days with its orbital distance of 0.05 AU ( 7268211.9 km)
  • (Projected orbit of Kepler-1553 b around its host star Kepler-1553)


  • The Star Kepler-1553 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.448 AU ( 67056963.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.620 AU ( 92690248.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.944 AU ( 141239425.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.389 AU ( 207840002.4 km)
  • Radiation at Planetary Boundary of Kepler-1553 b : 222419.07 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1553)



  • Kopparapu Recent Venus for Star Kepler-1553 distance : 0.483 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1553 distance : 0.612 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1553 distance : 0.591 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1553 distance : 0.648 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1553 distance : 1.106 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1553 distance : 1.166 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1553)



  • Original Kopparapu Recent Venus for Star Kepler-1553 distance : 0.478 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1553 distance : 0.630 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1553 distance : 0.633 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1553 distance : 1.124 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1553 distance : 1.169 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1553)



    (Position in Stellar Map of star Kepler-1553 and its Exoplanet Kepler-1553 b)



    (Zoomed position in Stellar Map of star Kepler-1553 and its Exoplanet Kepler-1553 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1553*)
    *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