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201669 (2003 UK58)
Classification: Main-belt Asteroid          SPK-ID: 2201669
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07874020693898635 6.832e-08  
a 2.718757958324569 2.5136e-08 au
q 2.504682394069077 1.9863e-07 au
i 4.105777413253249 6.3999e-06 deg
node 298.103732481154 8.7317e-05 deg
peri 75.05420444265789 9.6708e-05 deg
M 261.1802237845416 4.4297e-05 deg
tp 2459449.964722422812
(2021-Aug-23.46472242)
0.00020504 TDB
period 1637.397960904315
4.48
2.2707e-05
6.217e-08
d
yr
n .219861028653765 3.049e-09 deg/d
Q 2.932833522580062 2.7115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6157 days (16.86 yr)  
   first obs. used      2003-09-17  
   last obs. used      2020-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:04:20  

Additional Information
 Earth MOID = 1.50855 au 
 Jupiter MOID = 2.46728 au 
 T_jup = 3.351 
[ 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 15.7   n/a MPO433321  
diameter diameter 3.957 km 1.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201669 (2003 UK58)          Discovered 2003-Oct-16 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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