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385480 (2003 WE16)
Classification: Main-belt Asteroid          SPK-ID: 2385480
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052371512801492 8.4823e-08  
a 2.803125068775133 2.5598e-08 au
q 2.227819664977753 2.3926e-07 au
i 2.188973789670698 9.7161e-06 deg
node 221.0315856731223 0.00019434 deg
peri 193.1949789507222 0.00019666 deg
M 227.9643851000468 2.5057e-05 deg
tp 2459829.210526062726
(2022-Sep-06.71052606)
0.00012248 TDB
period 1714.202562347151
4.69
2.3481e-05
6.429e-08
d
yr
n .2100101866065784 2.8767e-09 deg/d
Q 3.378430472572514 3.0851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5642 days (15.45 yr)  
   first obs. used      2003-10-23  
   last obs. used      2019-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:32  

Additional Information
 Earth MOID = 1.23854 au 
 Jupiter MOID = 1.98994 au 
 T_jup = 3.292 
[ 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 16.9   n/a MPO434396  

385480 (2003 WE16)          Discovered 2003-Oct-23 by Spacewatch at Kitt Peak
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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