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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202866816686004 7.9441e-08  
a 1.918159887992699 1.4343e-08 AU
q 1.687430800156243 1.4955e-07 AU
i 24.15227001749524 1.1226e-05 deg
node 107.941723791399 2.3259e-05 deg
peri 307.9055729795099 6.1391e-05 deg
M 34.92098432219684 6.0317e-05 deg
tp 2456706.373998486521
(2014-Feb-17.87399849)
0.00016202 JED
period 970.343797649306
2.66
1.0883e-05
2.98e-08
d
yr
n .3710025259831757 4.1611e-09 deg/d
Q 2.148888975829155 1.6068e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      14584 days (39.93 yr)  
   first obs. used      1973-07-27  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54337  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:12:37  

Additional Information
 Earth MOID = .753397 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 14.9 mag n/a MPO265986  

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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