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160322 (2003 LA4)
Classification: Main-belt Asteroid          SPK-ID: 2160322
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668136128638712 4.3976e-08  
a 2.425134440446911 1.4562e-08 au
q 2.020589002755359 1.062e-07 au
i 4.306110615677067 4.599e-06 deg
node 267.2163172859952 8.259e-05 deg
peri 347.0319257193883 8.4537e-05 deg
M 178.5627588495871 1.8766e-05 deg
tp 2458316.288227563432
(2018-Jul-16.78822756)
7.066e-05 TDB
period 1379.437905552579
3.78
1.2424e-05
3.402e-08
d
yr
n .2609758645538961 2.3506e-09 deg/d
Q 2.829679878138463 1.6991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      7862 days (21.52 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:28:50  

Additional Information
 Earth MOID = 1.00612 au 
 Jupiter MOID = 2.22302 au 
 T_jup = 3.488 
[ 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 16.1   n/a MPO302756  

160322 (2003 LA4)          Discovered 2003-Jun-05 by Broughton, J. at Reedy Creek
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2003 LA4 = 2002 AU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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