Imaginary Picture of Kepler-540 b

Display orbital revolution of Kepler-540 b around the hoststar Kepler-540
/
Exoplanet Name : Kepler-540 b
Alternate Name : "2MASS J19223006+4452262 b, K00374.01, KIC 8686097 b, KOI-374 b, KOI-374.01, WISE J192230.01+445225.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2420 (Rjup) 2.7126 (Rearth)
Mass (Mjup / Me): 0.0210 (Mjup) 6.6736 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.6110 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.4728
Orbital Period(Observed/Estimated) 172.70 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9070
Star Radiation at Atmospheric Boundary: 5733.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 388.4 (K)
Blackbody T 0.3(K) 364.7 (K)
Blackbody T 0.7(K) 295.1 (K)
Tidally Locked Blackbody T 0.1(K) 461.8 (K)
Tidally Locked Blackbody T 0.3(K) 433.7 (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-540
Alternate Name : "2MASS J19223006+4452262, KIC 8686097, KOI-374, WISE J192230.01+445225.8"
Star Distance(LY) : 1272.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.9 (GY)
Temperature : 5842 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 3.2
Apparent Magnitude: 11.2
Right Ascension(RA) 290.6253
Declination (DEC) 44.8740
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. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 472 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-540%20b/
Kepler-540 b
Kepler-540 b

  • Kepler-540 b is an exoplanet orbiting the star Kepler-540, located about 1272.9 light-years (390.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-540 has apparent magnitude of 11.2, with absolute magnitude of 3.2.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5842 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-540 b orbits around the star Kepler-540 every 172.7 days with its orbital distance of 0.61 AU ( 91397691.0 km)
  • (Projected orbit of Kepler-540 b around its host star Kepler-540)


  • The Star Kepler-540 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.905 AU ( 135382533.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.251 AU ( 187134040.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.906 AU ( 285150864.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.805 AU ( 419611989.2 km)
  • Radiation at Planetary Boundary of Kepler-540 b : 5733.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-540)



  • Kopparapu Recent Venus for Star Kepler-540 distance : 0.934 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-540 distance : 1.183 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-540 distance : 1.143 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-540 distance : 1.253 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-540 distance : 2.086 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-540 distance : 2.200 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-540)



  • Original Kopparapu Recent Venus for Star Kepler-540 distance : 0.937 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-540 distance : 1.216 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-540 distance : 1.239 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-540 distance : 2.123 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-540 distance : 2.208 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-540)



    (Position in Stellar Map of star Kepler-540 and its Exoplanet Kepler-540 b)



    (Zoomed position in Stellar Map of star Kepler-540 and its Exoplanet Kepler-540 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-540*)
    *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