Imaginary Picture of Kepler-1251 b

Display orbital revolution of Kepler-1251 b around the hoststar Kepler-1251
/
Exoplanet Name : Kepler-1251 b
Alternate Name : "2MASS J19282763+4915231 b, K02482.01, KIC 11403389 b, KOI-2482 b, KOI-2482.01, WISE J192827.62+491523.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1640 (Rjup) 1.8383 (Rearth)
Mass (Mjup / Me): 0.0146 (Mjup) 4.6475 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2411 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1234
Orbital Period(Observed/Estimated) 45.09 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3753
Star Radiation at Atmospheric Boundary: 19867.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 529.9 (K)
Blackbody T 0.3(K) 497.6 (K)
Blackbody T 0.7(K) 402.6 (K)
Tidally Locked Blackbody T 0.1(K) 630.1 (K)
Tidally Locked Blackbody T 0.3(K) 591.8 (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-1251
Alternate Name : "2MASS J19282763+4915231, KIC 11403389, KOI-2482, WISE J192827.62+491523.1"
Star Distance(LY) : 2943.6
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.8 (GY)
Temperature : 5798 (K)
Spectral type : G7
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 13.7
Right Ascension(RA) 292.1152
Declination (DEC) 49.2564
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. Batalha8"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 442 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1251+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1251%20b/
Kepler-1251 b
Kepler-1251 b

  • Kepler-1251 b is an exoplanet orbiting the star Kepler-1251, located about 2943.6 light-years (902.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1251 has apparent magnitude of 13.7, with absolute magnitude of 3.9.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5798 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-1251 b orbits around the star Kepler-1251 every 45.1 days with its orbital distance of 0.24 AU ( 36073172.9 km)
  • (Projected orbit of Kepler-1251 b around its host star Kepler-1251)


  • The Star Kepler-1251 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.665 AU ( 99468441.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.919 AU ( 137491380.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.400 AU ( 209506436.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.061 AU ( 308297898.9 km)
  • Radiation at Planetary Boundary of Kepler-1251 b : 19867.41 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1251)



  • Kopparapu Recent Venus for Star Kepler-1251 distance : 0.688 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1251 distance : 0.872 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1251 distance : 0.842 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1251 distance : 0.923 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1251 distance : 1.538 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1251 distance : 1.623 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1251)



  • Original Kopparapu Recent Venus for Star Kepler-1251 distance : 0.689 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1251 distance : 0.896 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1251 distance : 0.912 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1251 distance : 1.565 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1251 distance : 1.628 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1251)



    (Position in Stellar Map of star Kepler-1251 and its Exoplanet Kepler-1251 b)



    (Zoomed position in Stellar Map of star Kepler-1251 and its Exoplanet Kepler-1251 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1251*)
    *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