Imaginary Picture of HD 219134 e

Display orbital revolution of HD 219134 e around the hoststar HD 219134
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Exoplanet Name : HD 219134 e
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.2230 (Mjup) 70.9002 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.5600 (AU) 2.5600 (AU Est.)
Eccentricity : 0.3400
Orbital Period(Yrs) 5.0430
Orbital Period(Observed/Estimated) 1842.00 (Days Obs.) 1361.93 (Days Est.)
Surface Gravity (G Earth) 0.6847
Star Radiation at Atmospheric Boundary: 55.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 121.7 (K)
Blackbody T 0.3(K) 114.3 (K)
Blackbody T 0.7(K) 92.4 (K)
Tidally Locked Blackbody T 0.1(K) 144.7 (K)
Tidally Locked Blackbody T 0.3(K) 135.9 (K)
Size Class: Jupiter-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 : HD 219134
Alternate Name :
Star Distance(LY) : 21.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4699 (K)
Spectral type : K3V
UV portion[%]: 2.2
Visible portion[%]: 34.2
IR portion[%]: 63.6
Metalicity : 0.1
Absolute Magnitude: 6.5
Apparent Magnitude: 5.6
Right Ascension(RA) 348.3207
Declination (DEC) 57.1683
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "F. Motalebi, S. Udry, M. Gillon, C. Lovis, D. Segransan, L. A. Buchhave, B. O. Demory, L. Malavolta, C. D. Dressing, D. Sasselov, K. Rice, D. Charbonneau, A. Collier Cameron, D. Latham, E. Molinari, F. Pepe, L. Affer, A. S. Bonomo, R. Cosentino, X. Dumusque, P. Figueira, A. F. M. Fiorenzano, S. Gettel, A. Harutyunyan, R. D. Haywood, J. Johnson, E. Lopez, M. Lopez-Morales, M. Mayor, G. Micela, A. Mortier, V. Nascimbeni, D. Philips, G. Piotto, D. Pollacco, D. Queloz, A. Sozzetti, A. Vanderburg, C. A. Watson"
Discovery Paper - Title The HARPS-N Rocky Planet Search I. HD219134b: A transiting rocky planet in a multi-planet system at 6.5 pc from the Sun
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+219134+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20219134%20e/
HD 219134 e
HD 219134 e
  • HD 219134 e is an exoplanet orbiting the star HD 219134, located about 21.4 light-years ( 6.5 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star HD 219134 has apparent magnitude of 5.6, with absolute magnitude of 6.5.
  • It is 1.2 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4699 with its spectral types of K3V
  • In this planetary system, the extrasolar planet HD 219134 e orbits around the star HD 219134 every 1842.0 days with its orbital distance of 2.56 AU ( 382970549.0 km)
    • (Projected orbit of HD 219134 e around its host star HD 219134)


  • The Star HD 219134 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.372 AU ( 55673509.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.514 AU ( 76955339.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.784 AU ( 117262907.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.153 AU ( 172557504.9 km)
  • Radiation at Planetary Boundary of HD 219134 e : 55.22 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 219134)



  • Kopparapu Recent Venus for Star HD 219134 distance : 0.408 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 219134 distance : 0.516 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 219134 distance : 0.499 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 219134 distance : 0.548 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219134 distance : 0.948 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 219134 distance : 1.000 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 219134)



  • Original Kopparapu Recent Venus for Star HD 219134 distance : 0.403 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 219134 distance : 0.533 AU
  • Original Kopparapu Moist Greenhouse for Star HD 219134 distance : 0.533 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219134 distance : 0.964 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 219134 distance : 1.002 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 219134)



    (Position in Stellar Map of star HD 219134 and its Exoplanet HD 219134 e)



    (Zoomed position in Stellar Map of star HD 219134 and its Exoplanet HD 219134 e (zoom level 3))

    (Synthetic Spectrum of star HD 219134*)
    *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