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5475 Hanskennedy (1989 QO)
Classification: Inner Main-belt Asteroid          SPK-ID: 2005475
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201617646889961 8.8511e-08  
a 1.918128228793467 1.3823e-08 AU
q 1.687642555921866 1.6615e-07 AU
i 24.15185148703149 1.2101e-05 deg
node 107.9414512651326 2.4112e-05 deg
peri 307.8343341188322 6.207e-05 deg
M 246.5728011401992 5.8924e-05 deg
tp 2456706.224038939002
(2014-Feb-17.72403894)		 0.00016037 JED
period 970.3197744844133
2.66		 1.0489e-05
2.872e-08		 d
yr
n .3710117112590937 4.0105e-09 deg/d
Q 2.148613901665068 1.5484e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      14498 days (39.69 yr)  
   first obs. used      1973-07-27  
   last obs. used      2013-04-06  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .56442  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:17:02  

Additional Information
 Earth MOID = .753644 AU 
 T_jup = 3.813 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a PDS3 (MPC 21774)  

5475 Hanskennedy           Discovered 1989 Aug. 26 by R. H. McNaught at Siding Spring.
Hans D. Kennedy (b. 1924) is a Dutch-Australian astronomer who has specialised in photometry of eclipsing binary stars. He founded, developed and operated several observatory installations used for precision photometry.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100330/MPCPages.arcLast Updated: 2010-04-05
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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