Imaginary Picture of Kepler-1026 b

Display orbital revolution of Kepler-1026 b around the hoststar Kepler-1026
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Exoplanet Name : Kepler-1026 b
Alternate Name : "2MASS J18542526+3959527 b, K01959.01, KIC 4813563 b, KOI-1959 b, KOI-1959.01, WISE J185425.26+395952.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1970 (Rjup) 2.2082 (Rearth)
Mass (Mjup / Me): 0.0173 (Mjup) 5.5114 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1991 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1000
Orbital Period(Observed/Estimated) 36.52 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1303
Star Radiation at Atmospheric Boundary: 8052.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 422.8 (K)
Blackbody T 0.3(K) 397.0 (K)
Blackbody T 0.7(K) 321.3 (K)
Tidally Locked Blackbody T 0.1(K) 502.8 (K)
Tidally Locked Blackbody T 0.3(K) 472.2 (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-1026
Alternate Name : "2MASS J18542526+3959527, KIC 4813563, KOI-1959, WISE J185425.26+395952.5"
Star Distance(LY) : 1145.3
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 4850 (K)
Spectral type : K2
UV portion[%]: 3.0
Visible portion[%]: 36.5
IR portion[%]: 60.5
Metalicity : -0.0
Absolute Magnitude: 5.0
Apparent Magnitude: 12.7
Right Ascension(RA) 283.6053
Declination (DEC) 39.9980
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-1026%20b/
Kepler-1026 b
Kepler-1026 b

  • Kepler-1026 b is an exoplanet orbiting the star Kepler-1026, located about 1145.3 light-years (351.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1026 has apparent magnitude of 12.7, with absolute magnitude of 5.0.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4850 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-1026 b orbits around the star Kepler-1026 every 36.5 days with its orbital distance of 0.20 AU ( 29789277.0 km)
  • (Projected orbit of Kepler-1026 b around its host star Kepler-1026)


  • The Star Kepler-1026 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.350 AU ( 52295666.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.483 AU ( 72286278.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.736 AU ( 110148290.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.083 AU ( 162088035.3 km)
  • Radiation at Planetary Boundary of Kepler-1026 b : 8052.87 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1026)



  • Kopparapu Recent Venus for Star Kepler-1026 distance : 0.381 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1026 distance : 0.482 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1026 distance : 0.466 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1026 distance : 0.511 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1026 distance : 0.879 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1026 distance : 0.927 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1026)



  • Original Kopparapu Recent Venus for Star Kepler-1026 distance : 0.376 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1026 distance : 0.497 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1026 distance : 0.498 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1026 distance : 0.894 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1026 distance : 0.930 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1026)



    (Position in Stellar Map of star Kepler-1026 and its Exoplanet Kepler-1026 b)



    (Zoomed position in Stellar Map of star Kepler-1026 and its Exoplanet Kepler-1026 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1026*)
    *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