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233824 (2008 US211)
Classification: Main-belt Asteroid          SPK-ID: 2233824
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786143712933812 4.2358e-08  
a 2.34652665574564 1.6399e-08 au
q 1.927403272406472 1.0292e-07 au
i 3.174121235560071 5.5865e-06 deg
node 359.280107739646 8.3244e-05 deg
peri 300.7131791637869 8.4839e-05 deg
M 182.7513316800721 1.5006e-05 deg
tp 2459646.923513052245
(2022-Mar-08.42351305)		 5.6638e-05 TDB
period 1312.915165482485
3.59		 1.3763e-05
3.768e-08		 d
yr
n .2741989806079383 2.8744e-09 deg/d
Q 2.765650039084808 1.9328e-08 au
   Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6123 days (16.76 yr)  
   first obs. used      2003-03-31  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:04:09  

Additional Information
 Earth MOID = .914247 au 
 Jupiter MOID = 2.45617 au 
 T_jup = 3.537 
[ 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 17.1   n/a MPO454691  

233824 (2008 US211)          Discovered 2008-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 US211 = 2005 YZ116 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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