Imaginary Picture of HD 16141 A b

Display orbital revolution of HD 16141 A b around the hoststar HD 16141 A
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Exoplanet Name : HD 16141 A b
Alternate Name : HD 16141 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.2150 (Mjup) 68.3567 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3500 (AU) 0.3500 (AU Est.)
Eccentricity : 0.2800
Orbital Period(Yrs) 0.2076
Orbital Period(Observed/Estimated) 75.82 (Days Obs.) 75.25 (Days Est.)
Surface Gravity (G Earth) 0.6601
Star Radiation at Atmospheric Boundary: 9382.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 439.3 (K)
Blackbody T 0.3(K) 412.5 (K)
Blackbody T 0.7(K) 333.8 (K)
Tidally Locked Blackbody T 0.1(K) 522.4 (K)
Tidally Locked Blackbody T 0.3(K) 490.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 16141 A
Alternate Name : HD 16141
Star Distance(LY) : 121.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 7.8 (GY)
Temperature : 5533 (K)
Spectral type : G5 IV
UV portion[%]: 7.0
Visible portion[%]: 43.4
IR portion[%]: 49.5
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 6.8
Right Ascension(RA) 38.8330
Declination (DEC) -3.5606
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Eggenberger,.; Udry,.; Chauvin,.; Beuzit,.-L.; Lagrange,.-M.; S_gransan,.; Mayor,."
Discovery Paper - Title The impact of stellar duplicity on planet occurrence and properties. I. Observational results of a VLT/NACO search for stellar companions to 130 nearby stars with and without planets
Discovery Paper - Journal "A&A 474, 273-291 (2007) DOI: 10.1051/0004-6361:20077447"
Discovery Paper - URL http://www.aanda.org/articles/aa/ps/2007/40/aa7447-07.ps.gz
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+16141+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2016141%20A%20b/
HD 16141 A b
HD 16141 A b

  • HD 16141 A b is an exoplanet orbiting the star HD 16141 A, located about 121.7 light-years (37.3 pc) away from Solar System. Its discovery was publicly announced on 2000.
  • The host star HD 16141 A has apparent magnitude of 6.8, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5533 with its spectral types of G5 IV
  • In this planetary system, the extrasolar planet HD 16141 A b orbits around the star HD 16141 A every 75.8 days with its orbital distance of 0.35 AU ( 52359254.7 km)
  • (Projected orbit of HD 16141 A b around its host star HD 16141 A)


  • The Star HD 16141 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.663 AU ( 99215483.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.917 AU ( 137141726.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.397 AU ( 208973641.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.056 AU ( 307513867.8 km)
  • Radiation at Planetary Boundary of HD 16141 A b : 9382.35 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 16141 A)



  • Kopparapu Recent Venus for Star HD 16141 A distance : 0.697 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 16141 A distance : 0.883 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 16141 A distance : 0.853 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 16141 A distance : 0.935 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 16141 A distance : 1.571 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 16141 A distance : 1.657 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 16141 A)



  • Original Kopparapu Recent Venus for Star HD 16141 A distance : 0.695 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 16141 A distance : 0.908 AU
  • Original Kopparapu Moist Greenhouse for Star HD 16141 A distance : 0.920 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 16141 A distance : 1.598 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 16141 A distance : 1.662 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 16141 A)



    (Position in Stellar Map of star HD 16141 A and its Exoplanet HD 16141 A b)



    (Zoomed position in Stellar Map of star HD 16141 A and its Exoplanet HD 16141 A b (zoom level 3))

    (Synthetic Spectrum of star HD 16141 A*)
    *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