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344772 (2003 WQ123)
Classification: Main-belt Asteroid          SPK-ID: 2344772
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3781847122313841 7.6197e-08  
a 2.691006657482515 1.8552e-08 au
q 1.673309079109751 2.1365e-07 au
i 7.619552487501839 7.351e-06 deg
node 275.0202806815771 6.0107e-05 deg
peri 116.5881805436244 7.0318e-05 deg
M 285.8225441315908 2.1759e-05 deg
tp 2459332.730896613493
(2021-Apr-28.23089661)
9.9698e-05 TDB
period 1612.391816093469
4.41
1.6674e-05
4.565e-08
d
yr
n .2232707933684595 2.3088e-09 deg/d
Q 3.708704235855279 2.5568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      4866 days (13.32 yr)  
   first obs. used      2003-11-20  
   last obs. used      2017-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63715  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:26:25  

Additional Information
 Earth MOID = .69657 au 
 Jupiter MOID = 1.83751 au 
 T_jup = 3.253 
[ 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 MPO408446  

344772 (2003 WQ123)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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