Imaginary Picture of Kepler-1089 b

Display orbital revolution of Kepler-1089 b around the hoststar Kepler-1089
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Exoplanet Name : Kepler-1089 b
Alternate Name : "2MASS J19242225+4911242 b, K02090.01, KIC 11348997 b, KOI-2090 b, KOI-2090.01, WISE J192422.25+491124.4 b"
Status : Confirmed
Radius (Rjup / Re): 0.1630 (Rjup) 1.8271 (Rearth)
Mass (Mjup / Me): 0.0145 (Mjup) 4.6211 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0468 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0141
Orbital Period(Observed/Estimated) 5.13 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3843
Star Radiation at Atmospheric Boundary: 40405.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 632.8 (K)
Blackbody T 0.3(K) 594.2 (K)
Blackbody T 0.7(K) 480.8 (K)
Tidally Locked Blackbody T 0.1(K) 752.5 (K)
Tidally Locked Blackbody T 0.3(K) 706.7 (K)
Size Class: super-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-1089
Alternate Name : "2MASS J19242225+4911242, KIC 11348997, KOI-2090, WISE J192422.25+491124.4"
Star Distance(LY) : 845.7
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 3889 (K)
Spectral type : M1
UV portion[%]: 0.4
Visible portion[%]: 18.9
IR portion[%]: 80.6
Metalicity : -0.1
Absolute Magnitude: 6.2
Apparent Magnitude: 13.3
Right Ascension(RA) 291.0927
Declination (DEC) 49.1901
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-1089+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1089%20b/
Kepler-1089 b
Kepler-1089 b

  • Kepler-1089 b is an exoplanet orbiting the star Kepler-1089, located about 845.7 light-years (259.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1089 has apparent magnitude of 13.3, with absolute magnitude of 6.2.
  • It is 0.5 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3889 with its spectral types of M1
  • In this planetary system, the extrasolar planet Kepler-1089 b orbits around the star Kepler-1089 every 5.1 days with its orbital distance of 0.05 AU ( 7005162.3 km)
  • (Projected orbit of Kepler-1089 b around its host star Kepler-1089)


  • The Star Kepler-1089 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.184 AU ( 27546746.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.255 AU ( 38076802.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.388 AU ( 58020620.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.571 AU ( 85379885.3 km)
  • Radiation at Planetary Boundary of Kepler-1089 b : 40405.79 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1089)



  • Kopparapu Recent Venus for Star Kepler-1089 distance : 0.207 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1089 distance : 0.262 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1089 distance : 0.253 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1089 distance : 0.278 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1089 distance : 0.499 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1089 distance : 0.527 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1089)



  • Original Kopparapu Recent Venus for Star Kepler-1089 distance : 0.204 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1089 distance : 0.271 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1089 distance : 0.270 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1089 distance : 0.507 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1089 distance : 0.528 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1089)



    (Position in Stellar Map of star Kepler-1089 and its Exoplanet Kepler-1089 b)



    (Zoomed position in Stellar Map of star Kepler-1089 and its Exoplanet Kepler-1089 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1089*)
    *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