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385474 (2003 UC281)
Classification: Main-belt Asteroid          SPK-ID: 2385474
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896139902822769 8.9505e-08  
a 2.809457024820308 3.2357e-08 au
q 2.276744667817556 2.5792e-07 au
i 14.22208048981815 1.4963e-05 deg
node 50.55928582083639 3.6465e-05 deg
peri 42.69954001837805 6.9748e-05 deg
M 201.9235572110805 5.364e-05 deg
tp 2459955.760323642657
(2023-Jan-11.26032364)
0.00026372 TDB
period 1720.014138187675
4.71
2.9715e-05
8.136e-08
d
yr
n .2093006051562581 3.6159e-09 deg/d
Q 3.34216938182306 3.8493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5690 days (15.58 yr)  
   first obs. used      2003-10-28  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .72116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:31  

Additional Information
 Earth MOID = 1.31302 au 
 Jupiter MOID = 2.0259 au 
 T_jup = 3.251 
[ 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 16.7   n/a MPO476807  

385474 (2003 UC281)          Discovered 2003-Oct-28 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

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