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216866 (2008 CY169)
Classification: Main-belt Asteroid          SPK-ID: 2216866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2444221289787142 7.3015e-08  
a 2.697687527457697 2.8925e-08 au
q 2.038312998677164 1.8702e-07 au
i 7.731991214250828 8.1451e-06 deg
node 179.1154992363921 3.4795e-05 deg
peri 134.703130509889 3.9066e-05 deg
M 173.8602666619893 2.1143e-05 deg
tp 2458418.901470687115
(2018-Oct-27.40147069)
8.5699e-05 TDB
period 1618.400086200692
4.43
2.6029e-05
7.126e-08
d
yr
n .222441906095745 3.5776e-09 deg/d
Q 3.357062056238231 3.5995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      2001-10-17  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:35  

Additional Information
 Earth MOID = 1.03169 au 
 Jupiter MOID = 2.00946 au 
 T_jup = 3.313 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.64   n/a MPCxxxxx  

216866 (2008 CY169)          Discovered 2008-Feb-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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