Imaginary Picture of Kepler-1284 b

Display orbital revolution of Kepler-1284 b around the hoststar Kepler-1284
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Exoplanet Name : Kepler-1284 b
Alternate Name : "2MASS J19250696+4741155 b, K02589.01, KIC 10468885 b, KOI-2589 b, KOI-2589.01"
Status : Confirmed
Radius (Rjup / Re): 0.1080 (Rjup) 1.2106 (Rearth)
Mass (Mjup / Me): 0.0061 (Mjup) 1.9471 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0141 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0018
Orbital Period(Observed/Estimated) 0.66 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3287
Star Radiation at Atmospheric Boundary: 3098513.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1872.5 (K)
Blackbody T 0.3(K) 1758.5 (K)
Blackbody T 0.7(K) 1422.8 (K)
Tidally Locked Blackbody T 0.1(K) 2226.8 (K)
Tidally Locked Blackbody T 0.3(K) 2091.2 (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-1284
Alternate Name : "2MASS J19250696+4741155, KIC 10468885, KOI-2589"
Star Distance(LY) : 2879.6
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5182 (K)
Spectral type : K1
UV portion[%]: 4.1
Visible portion[%]: 38.8
IR portion[%]: 57.0
Metalicity : 0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 14.2
Right Ascension(RA) 291.2790
Declination (DEC) 47.6876
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. Batalha10"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 444 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1284+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1284%20b/
Kepler-1284 b
Kepler-1284 b

  • Kepler-1284 b is an exoplanet orbiting the star Kepler-1284, located about 2879.6 light-years (882.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1284 has apparent magnitude of 14.2, with absolute magnitude of 4.4.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5182 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-1284 b orbits around the star Kepler-1284 every 0.7 days with its orbital distance of 0.01 AU ( 2102661.0 km)
  • (Projected orbit of Kepler-1284 b around its host star Kepler-1284)


  • The Star Kepler-1284 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.484 AU ( 72406283.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.669 AU ( 100084405.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.019 AU ( 152506485.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.500 AU ( 224419974.6 km)
  • Radiation at Planetary Boundary of Kepler-1284 b : 3098513.57 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1284)



  • Kopparapu Recent Venus for Star Kepler-1284 distance : 0.519 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1284 distance : 0.657 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1284 distance : 0.635 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1284 distance : 0.696 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1284 distance : 1.182 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1284 distance : 1.247 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1284)



  • Original Kopparapu Recent Venus for Star Kepler-1284 distance : 0.514 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1284 distance : 0.677 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1284 distance : 0.681 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1284 distance : 1.202 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1284 distance : 1.251 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1284)



    (Position in Stellar Map of star Kepler-1284 and its Exoplanet Kepler-1284 b)



    (Zoomed position in Stellar Map of star Kepler-1284 and its Exoplanet Kepler-1284 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1284*)
    *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