Imaginary Picture of HD 169830 c

Display orbital revolution of HD 169830 c around the hoststar HD 169830
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Exoplanet Name : HD 169830 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 4.0400 (Mjup) 1284.4695 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.6000 (AU) 3.6000 (AU Est.)
Eccentricity : 0.3300
Orbital Period(Yrs) 5.7548
Orbital Period(Observed/Estimated) 2102.00 (Days Obs.) 2108.53 (Days Est.)
Surface Gravity (G Earth) 12.4045
Star Radiation at Atmospheric Boundary: 493.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 210.4 (K)
Blackbody T 0.3(K) 197.6 (K)
Blackbody T 0.7(K) 159.9 (K)
Tidally Locked Blackbody T 0.1(K) 250.2 (K)
Tidally Locked Blackbody T 0.3(K) 235.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 169830
Alternate Name :
Star Distance(LY) : 119.4
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 5.0 (GY)
Temperature : 6266 (K)
Spectral type : F8 V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 3.1
Apparent Magnitude: 5.9
Right Ascension(RA) 276.9542
Declination (DEC) -29.8167
Hubble Space Telescope Guide Star Catalog (GSC) ID 06869-01277
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+169830+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20169830%20c/
HD 169830 c
HD 169830 c

  • HD 169830 c is an exoplanet orbiting the star HD 169830, located about 119.4 light-years (36.6 pc) away from Solar System. Its discovery was publicly announced on 2003.
  • The host star HD 169830 has apparent magnitude of 5.9, with absolute magnitude of 3.1.
  • It is 1.4 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6266 with its spectral types of F8 V
  • In this planetary system, the extrasolar planet HD 169830 c orbits around the star HD 169830 every 2102.0 days with its orbital distance of 3.60 AU ( 538552334.5 km)
  • (Projected orbit of HD 169830 c around its host star HD 169830)


  • The Star HD 169830 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.565 AU ( 234129812.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.163 AU ( 323628585.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.296 AU ( 493138345.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.851 AU ( 725674678.9 km)
  • Radiation at Planetary Boundary of HD 169830 c : 493.85 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 169830)



  • Kopparapu Recent Venus for Star HD 169830 distance : 1.575 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 169830 distance : 1.994 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 169830 distance : 1.926 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 169830 distance : 2.111 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 169830 distance : 3.483 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 169830 distance : 3.674 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 169830)



  • Original Kopparapu Recent Venus for Star HD 169830 distance : 1.593 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 169830 distance : 2.046 AU
  • Original Kopparapu Moist Greenhouse for Star HD 169830 distance : 2.108 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 169830 distance : 3.546 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 169830 distance : 3.687 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 169830)



    (Position in Stellar Map of star HD 169830 and its Exoplanet HD 169830 c)



    (Zoomed position in Stellar Map of star HD 169830 and its Exoplanet HD 169830 c (zoom level 3))

    (Synthetic Spectrum of star HD 169830*)
    *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