Imaginary Picture of HD 1461 c
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Exoplanet Name : HD 1461 c
Alternate Name :
Radius (Rjup / Re): 0.1403 (Rjup) 1.5728 (Rearth)
Mass (Mjup / Me): 0.0176 (Mjup) 5.5957 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1117 (AU) 0.1117 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0370
Orbital Period(Observed/Estimated) 13.51 (Days Obs.) 13.50 (Days Est.)
Star Radiation at Atmospheric Boundary: 130173.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 847.8 (K)
Blackbody T 0.3(K) 796.1 (K)
Blackbody T 0.7(K) 644.2 (K)
Tidally Locked Blackbody T 0.1(K) 1008.2 (K)
Tidally Locked Blackbody T 0.3(K) 946.8 (K)
Size Class: super-Earth-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 1461
Alternate Name :
Star Distance(LY) : 76.3
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.3 (GY)
Temperature : 5765 (K)
Spectral type : G0V
Metalicity : 0.2
Absolute Magnitude: 4.8
Apparent Magnitude: 6.6
Right Ascension(RA) 4.6750
Declination (DEC) -8.0531
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%201461%20c/
HD 1461 c
HD 1461 c

  • HD 1461 c is an exoplanet orbiting the star HD 1461, located about 76.3 light-years (23.4 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 1461 has apparent magnitude of 6.6, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5765 with its spectral types of G0V
  • In this planetary system, the extrasolar planet HD 1461 c orbits around the star HD 1461 every 13.5 days with its orbital distance of 0.11 AU ( 16710082.2 km)
  • (Projected orbit of HD 1461 c around its host star HD 1461)


  • The Star HD 1461 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.788 AU ( 117942642.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.090 AU ( 163027554.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.661 AU ( 248417915.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.444 AU ( 365557844.4 km)
  • Radiation at Planetary Boundary of HD 1461 c : 130173.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 1461)



  • Kopparapu Recent Venus for Star HD 1461 distance : 0.818 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 1461 distance : 1.036 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 1461 distance : 1.000 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 1461 distance : 1.097 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 1461 distance : 1.829 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 1461 distance : 1.930 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 1461)



  • Original Kopparapu Recent Venus for Star HD 1461 distance : 0.819 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 1461 distance : 1.064 AU
  • Original Kopparapu Moist Greenhouse for Star HD 1461 distance : 1.083 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 1461 distance : 1.862 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 1461 distance : 1.936 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 1461)



    (Position in Stellar Map of star HD 1461 and its Exoplanet HD 1461 c)



    (Zoomed position in Stellar Map of star HD 1461 and its Exoplanet HD 1461 c (zoom level 3))