Imaginary Picture of HD 3651 b
/
Exoplanet Name : HD 3651 b
Alternate Name : "54 Piscium A b, 54 Psc b"
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.2300 (Mjup) 73.1257 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2950 (AU) 0.2950 (AU Est.)
Eccentricity : 0.6450
Orbital Period(Yrs) 0.1704
Orbital Period(Observed/Estimated) 62.25 (Days Obs.) 65.84 (Days Est.)
Star Radiation at Atmospheric Boundary: 9049.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 435.3 (K)
Blackbody T 0.3(K) 408.8 (K)
Blackbody T 0.7(K) 330.8 (K)
Tidally Locked Blackbody T 0.1(K) 517.7 (K)
Tidally Locked Blackbody T 0.3(K) 486.2 (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 3651
Alternate Name : 54 Psc
Star Distance(LY) : 36.1
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 5.1 (GY)
Temperature : 5173 (K)
Spectral type : K0 V
Metalicity : 0.1
Absolute Magnitude: 5.6
Apparent Magnitude: 5.8
Right Ascension(RA) 9.8409
Declination (DEC) 21.2503
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Wittenmyer,obert.; Wang,onghu; Horner,onathan; Tinney,..; Butler,..; Jones,...; O'Toole,..; Bailey,.; Carter,..; Salter,..; Wright,.; Zhou,i-Lin"
Discovery Paper - Title Forever Alone? Testing Single Eccentric Planetary Systems for Multiple Companions
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+3651+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%203651%20b/
HD 3651 b
HD 3651 b

  • HD 3651 b is an exoplanet orbiting the star HD 3651, located about 36.1 light-years (11.1 pc) away from Solar System. Its discovery was publicly announced on 2003.
  • The host star HD 3651 has apparent magnitude of 5.8, with absolute magnitude of 5.6.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5173 with its spectral types of K0 V
  • In this planetary system, the extrasolar planet HD 3651 b orbits around the star HD 3651 every 62.2 days with its orbital distance of 0.29 AU ( 44131371.9 km)
  • (Projected orbit of HD 3651 b around its host star HD 3651)


  • The Star HD 3651 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.549 AU ( 82128340.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.759 AU ( 113522829.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.156 AU ( 172983669.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.702 AU ( 254553047.7 km)
  • Radiation at Planetary Boundary of HD 3651 b : 9049.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 3651)



  • Kopparapu Recent Venus for Star HD 3651 distance : 0.589 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 3651 distance : 0.746 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 3651 distance : 0.720 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 3651 distance : 0.790 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 3651 distance : 1.342 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 3651 distance : 1.416 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 3651)



  • Original Kopparapu Recent Venus for Star HD 3651 distance : 0.584 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 3651 distance : 0.768 AU
  • Original Kopparapu Moist Greenhouse for Star HD 3651 distance : 0.772 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 3651 distance : 1.365 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 3651 distance : 1.420 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 3651)



    (Position in Stellar Map of star HD 3651 and its Exoplanet HD 3651 b)



    (Zoomed position in Stellar Map of star HD 3651 and its Exoplanet HD 3651 b (zoom level 3))