Imaginary Picture of Kepler-1550 b

Display orbital revolution of Kepler-1550 b around the hoststar Kepler-1550
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Exoplanet Name : Kepler-1550 b
Alternate Name : "2MASS J19110349+3817409 b, K04091.01, KIC 3103227 b, KOI-4091 b, KOI-4091.01, WISE J191103.50+381740.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.2690 (Rjup) 3.0152 (Rearth)
Mass (Mjup / Me): 0.0232 (Mjup) 7.3634 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.7418 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.6176
Orbital Period(Observed/Estimated) 225.58 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8099
Star Radiation at Atmospheric Boundary: 3377.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 340.2 (K)
Blackbody T 0.3(K) 319.5 (K)
Blackbody T 0.7(K) 258.5 (K)
Tidally Locked Blackbody T 0.1(K) 404.6 (K)
Tidally Locked Blackbody T 0.3(K) 380.0 (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-1550
Alternate Name : "2MASS J19110349+3817409, KIC 3103227, KOI-4091, WISE J191103.50+381740.9"
Star Distance(LY) : 3847.2
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.5 (GY)
Temperature : 5938 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.5
Apparent Magnitude: 13.8
Right Ascension(RA) 287.7646
Declination (DEC) 38.2947
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 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1550+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1550%20b/
Kepler-1550 b
Kepler-1550 b

  • Kepler-1550 b is an exoplanet orbiting the star Kepler-1550, located about 3847.2 light-years (1179.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1550 has apparent magnitude of 13.8, with absolute magnitude of 3.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5938 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-1550 b orbits around the star Kepler-1550 every 225.6 days with its orbital distance of 0.74 AU ( 110967854.3 km)
  • (Projected orbit of Kepler-1550 b around its host star Kepler-1550)


  • The Star Kepler-1550 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.843 AU ( 126155901.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.166 AU ( 174380424.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.776 AU ( 265717177.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.614 AU ( 391014466.3 km)
  • Radiation at Planetary Boundary of Kepler-1550 b : 3377.23 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1550)



  • Kopparapu Recent Venus for Star Kepler-1550 distance : 0.866 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1550 distance : 1.096 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1550 distance : 1.059 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1550 distance : 1.161 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1550 distance : 1.928 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1550 distance : 2.033 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1550)



  • Original Kopparapu Recent Venus for Star Kepler-1550 distance : 0.870 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1550 distance : 1.126 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1550 distance : 1.151 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1550 distance : 1.962 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1550 distance : 2.040 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1550)



    (Position in Stellar Map of star Kepler-1550 and its Exoplanet Kepler-1550 b)



    (Zoomed position in Stellar Map of star Kepler-1550 and its Exoplanet Kepler-1550 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1550*)
    *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