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187356 (2005 UW237)
Classification: Main-belt Asteroid          SPK-ID: 2187356
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02709655827758792 4.5954e-08  
a 3.082482323381859 3.402e-08 au
q 2.998957661466708 1.3284e-07 au
i 11.3457430339949 5.1333e-06 deg
node 75.7479362832625 2.538e-05 deg
peri 42.95117398849215 0.00010937 deg
M 221.9357730126291 0.0001086 deg
tp 2459958.602596243431
(2023-Jan-14.10259624)		 0.00060034 TDB
period 1976.738946813498
5.41		 3.2725e-05
8.96e-08		 d
yr
n .1821181297511842 3.015e-09 deg/d
Q 3.16600698529701 3.4942e-08 au
   Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      2002-03-09  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:51:53  

Additional Information
 Earth MOID = 2.02455 au 
 Jupiter MOID = 1.94212 au 
 T_jup = 3.197 
[ 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 15.33   n/a E2021B55  
diameter diameter 5.922 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187356 (2005 UW237)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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