Imaginary Picture of Kepler-1280 b

Display orbital revolution of Kepler-1280 b around the hoststar Kepler-1280
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Exoplanet Name : Kepler-1280 b
Alternate Name : "2MASS J19341774+4523043 b, K02564.01, KIC 9026749 b, KOI-2564 b, KOI-2564.01, WISE J193417.73+452304.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.1670 (Rjup) 1.8719 (Rearth)
Mass (Mjup / Me): 0.0149 (Mjup) 4.7265 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3416 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1822
Orbital Period(Observed/Estimated) 66.56 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3489
Star Radiation at Atmospheric Boundary: 59702.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 697.7 (K)
Blackbody T 0.3(K) 655.2 (K)
Blackbody T 0.7(K) 530.1 (K)
Tidally Locked Blackbody T 0.1(K) 829.7 (K)
Tidally Locked Blackbody T 0.3(K) 779.1 (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-1280
Alternate Name : "2MASS J19341774+4523043, KIC 9026749, KOI-2564, WISE J193417.73+452304.2"
Star Distance(LY) : 4847.0
Stellar Radius(Rsun) : 2.0 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 2.8 (GY)
Temperature : 6137 (K)
Spectral type : F8
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 2.1
Apparent Magnitude: 13.0
Right Ascension(RA) 293.5739
Declination (DEC) 45.3845
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha6"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 440 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1280+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1280%20b/
Kepler-1280 b
Kepler-1280 b

  • Kepler-1280 b is an exoplanet orbiting the star Kepler-1280, located about 4847.0 light-years (1486.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1280 has apparent magnitude of 13.0, with absolute magnitude of 2.1.
  • It is 1.2 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 6137 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1280 b orbits around the star Kepler-1280 every 66.6 days with its orbital distance of 0.34 AU ( 51096612.6 km)
  • (Projected orbit of Kepler-1280 b around its host star Kepler-1280)


  • The Star Kepler-1280 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.633 AU ( 244240369.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.257 AU ( 337604017.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.439 AU ( 514433811.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.060 AU ( 757011889.5 km)
  • Radiation at Planetary Boundary of Kepler-1280 b : 59702.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1280)



  • Kopparapu Recent Venus for Star Kepler-1280 distance : 1.656 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1280 distance : 2.097 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1280 distance : 2.025 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1280 distance : 2.219 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1280 distance : 3.671 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1280 distance : 3.872 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1280)



  • Original Kopparapu Recent Venus for Star Kepler-1280 distance : 1.670 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1280 distance : 2.152 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1280 distance : 2.210 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1280 distance : 3.737 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1280 distance : 3.886 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1280)



    (Position in Stellar Map of star Kepler-1280 and its Exoplanet Kepler-1280 b)



    (Zoomed position in Stellar Map of star Kepler-1280 and its Exoplanet Kepler-1280 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1280*)
    *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