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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666487321510812 3.7494e-08  
a 2.425423330761983 1.3513e-08 au
q 2.021229607760846 9.3002e-08 au
i 4.305631477615674 4.0896e-06 deg
node 267.2159203861595 6.4654e-05 deg
peri 347.0482900016345 6.6431e-05 deg
M 230.724228896877 1.7387e-05 deg
tp 2459695.943790062912
(2022-Apr-26.44379006)
6.8738e-05 TDB
period 1379.684397940051
3.78
1.153e-05
3.157e-08
d
yr
n .2609292389893666 2.1806e-09 deg/d
Q 2.82961705376312 1.5765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1999-04-11  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:53  

Additional Information
 Earth MOID = 1.00513 au 
 Jupiter MOID = 2.22205 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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