Imaginary Picture of Kepler-19 d

Display orbital revolution of Kepler-19 d around the hoststar Kepler-19
/
Exoplanet Name : Kepler-19 d
Alternate Name : "2MASS J19214099+3751064 d, GSC 03134-01549 d, KIC 2571238 d, KOI-84 d, TYC 3134-01549-1 d, WISE J192141.02+375106.1 d"
Status : Confirmed
Radius (Rjup / Re): 0.2369 (Rjup) 2.6553 (Rearth)
Mass (Mjup / Me): 0.0708 (Mjup) 22.5068 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3034 (AU Est.)
Eccentricity : 0.0500
Orbital Period(Yrs) 0.1723
Orbital Period(Observed/Estimated) 62.95 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 3.1923
Star Radiation at Atmospheric Boundary: 9667.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 442.6 (K)
Blackbody T 0.3(K) 415.6 (K)
Blackbody T 0.7(K) 336.3 (K)
Tidally Locked Blackbody T 0.1(K) 526.3 (K)
Tidally Locked Blackbody T 0.3(K) 494.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-19
Alternate Name : "2MASS J19214099+3751064, GSC 03134-01549, KIC 2571238, KOI-84, TYC 3134-01549-1, WISE J192141.02+375106.1"
Star Distance(LY) : 712.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 1.9 (GY)
Temperature : 5520 (K)
Spectral type : G7
UV portion[%]: 7.1
Visible portion[%]: 43.5
IR portion[%]: 49.4
Metalicity : -0.1
Absolute Magnitude: 5.3
Apparent Magnitude: 12.0
Right Ascension(RA) 290.4208
Declination (DEC) 37.8518
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-19 d
Kepler-19 d

  • Kepler-19 d is an exoplanet orbiting the star Kepler-19, located about 712.7 light-years (218.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-19 has apparent magnitude of 12.0, with absolute magnitude of 5.3.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5520 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-19 d orbits around the star Kepler-19 every 63.0 days with its orbital distance of 0.30 AU ( 45384236.8 km)
  • (Projected orbit of Kepler-19 d around its host star Kepler-19)


  • The Star Kepler-19 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.584 AU ( 87294831.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.807 AU ( 120664270.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.229 AU ( 183865645.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.809 AU ( 270566351.8 km)
  • Radiation at Planetary Boundary of Kepler-19 d : 9667.33 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-19)



  • Kopparapu Recent Venus for Star Kepler-19 distance : 0.614 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-19 distance : 0.778 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-19 distance : 0.751 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-19 distance : 0.824 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-19 distance : 1.383 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-19 distance : 1.459 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-19)



  • Original Kopparapu Recent Venus for Star Kepler-19 distance : 0.612 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-19 distance : 0.800 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-19 distance : 0.810 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-19 distance : 1.407 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-19 distance : 1.464 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-19)



    (Position in Stellar Map of star Kepler-19 and its Exoplanet Kepler-19 d)



    (Zoomed position in Stellar Map of star Kepler-19 and its Exoplanet Kepler-19 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-19*)
    *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