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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204356265282433 7.9438e-08  
a 1.917961526305486 1.4532e-08 AU
q 1.686970628227819 1.4955e-07 AU
i 24.15069352984257 1.1226e-05 deg
node 107.9391462985222 2.3263e-05 deg
peri 307.8248522720029 6.1358e-05 deg
M 109.1907778420788 6.0742e-05 deg
tp 2456706.232891021203
(2014-Feb-17.73289102)
0.00016189 JED
period 970.1932830406333
2.66
1.1026e-05
3.019e-08
d
yr
n .3710600828648724 4.2172e-09 deg/d
Q 2.148952424383153 1.6282e-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 = .753444 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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