Imaginary Picture of HD 141399 c

Display orbital revolution of HD 141399 c around the hoststar HD 141399
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Exoplanet Name : HD 141399 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.3300 (Mjup) 422.8575 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.6890 (AU) 0.6890 (AU Est.)
Eccentricity : 0.0480
Orbital Period(Yrs) 0.5530
Orbital Period(Observed/Estimated) 201.99 (Days Obs.) 201.94 (Days Est.)
Surface Gravity (G Earth) 4.0837
Star Radiation at Atmospheric Boundary: 5415.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 382.9 (K)
Blackbody T 0.3(K) 359.6 (K)
Blackbody T 0.7(K) 290.9 (K)
Tidally Locked Blackbody T 0.1(K) 455.3 (K)
Tidally Locked Blackbody T 0.3(K) 427.6 (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 141399
Alternate Name :
Star Distance(LY) : 121.9
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5600 (K)
Spectral type : K0V
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : 0.3
Absolute Magnitude: 4.3
Apparent Magnitude: 7.2
Right Ascension(RA) 236.7242
Declination (DEC) 46.9864
Hubble Space Telescope Guide Star Catalog (GSC) ID 03490-00928
Discovered by
Discovery Paper - Authors "Steven S. Vogt, R. Paul Butler, Eugenio J. Rivera, Robert Kibrick, Jennifer Burt, Russell Hanson, Stefano Meschiari, Gregory W. Henry, Gregory Laughlin"
Discovery Paper - Title A 4-Planet System Orbiting the K0V Star HD 141399
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+141399+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20141399%20c/
HD 141399 c
HD 141399 c

  • HD 141399 c is an exoplanet orbiting the star HD 141399, located about 121.9 light-years (37.4 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star HD 141399 has apparent magnitude of 7.2, with absolute magnitude of 4.3.
  • It is 1.1 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5600 with its spectral types of K0V
  • In this planetary system, the extrasolar planet HD 141399 c orbits around the star HD 141399 every 202.0 days with its orbital distance of 0.69 AU ( 103072932.9 km)
  • (Projected orbit of HD 141399 c around its host star HD 141399)


  • The Star HD 141399 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.992 AU ( 148383982.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.371 AU ( 205105440.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.089 AU ( 312535302.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.074 AU ( 459909388.3 km)
  • Radiation at Planetary Boundary of HD 141399 c : 5415.32 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 141399)



  • Kopparapu Recent Venus for Star HD 141399 distance : 1.039 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 141399 distance : 1.316 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 141399 distance : 1.271 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 141399 distance : 1.393 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 141399 distance : 2.335 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 141399 distance : 2.463 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 141399)



  • Original Kopparapu Recent Venus for Star HD 141399 distance : 1.037 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 141399 distance : 1.353 AU
  • Original Kopparapu Moist Greenhouse for Star HD 141399 distance : 1.372 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 141399 distance : 2.376 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 141399 distance : 2.471 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 141399)



    (Position in Stellar Map of star HD 141399 and its Exoplanet HD 141399 c)



    (Zoomed position in Stellar Map of star HD 141399 and its Exoplanet HD 141399 c (zoom level 3))

    (Synthetic Spectrum of star HD 141399*)
    *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