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233905 (2009 CU22)
Classification: Main-belt Asteroid          SPK-ID: 2233905
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088826218629126 8.6326e-08  
a 2.561037901827898 2.5207e-08 au
q 2.026081590203794 2.1045e-07 au
i 17.66852644716908 5.2822e-06 deg
node 307.4670482108799 2.6611e-05 deg
peri 347.6876906216031 3.6911e-05 deg
M 126.973137117143 3.2458e-05 deg
tp 2458472.502599179549
(2018-Dec-20.00259918)		 0.00013308 TDB
period 1497.002189683624
4.10		 2.2102e-05
6.051e-08		 d
yr
n .2404806101693694 3.5504e-09 deg/d
Q 3.095994213452002 3.0473e-08 au
   Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:29:00  

Additional Information
 Earth MOID = 1.01326 au 
 Jupiter MOID = 2.16356 au 
 T_jup = 3.339 
[ 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 15.5   n/a MPO503133  
diameter diameter 3.243 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233905 (2009 CU22)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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