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266489 (2008 CU211)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266489
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03633370912352115 5.3272e-08  
a 3.220556451872133 4.3506e-08 au
q 3.103541690533931 1.6419e-07 au
i 11.19165223826686 5.2167e-06 deg
node 119.1912201413907 2.974e-05 deg
peri 286.6468552066472 7.8674e-05 deg
M 151.241690410412 7.2886e-05 deg
tp 2458113.622120052784
(2017-Dec-26.12212005)
0.00042664 TDB
period 2111.03192456131
5.78
4.2777e-05
1.171e-07
d
yr
n .1705327123723205 3.4556e-09 deg/d
Q 3.337571213210334 4.5087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:24:13  

Additional Information
 Earth MOID = 2.13854 au 
 Jupiter MOID = 1.85167 au 
 T_jup = 3.158 
[ 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 15.1   n/a MPO437227  
diameter diameter 6.333 km 0.749 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266489 (2008 CU211)          Discovered 2008-Feb-06 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 CU211 = 2010 HE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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