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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668136096285139 4.5707e-08  
a 2.425134439802745 1.4858e-08 au
q 2.020589010064825 1.0977e-07 au
i 4.306111527249882 4.6713e-06 deg
node 267.2162879187412 8.7076e-05 deg
peri 347.03195688 8.9151e-05 deg
M 178.5627573642609 1.9364e-05 deg
tp 2458316.288233527474
(2018-Jul-16.78823353)
7.3313e-05 TDB
period 1379.437905002967
3.78
1.2677e-05
3.471e-08
d
yr
n .2609758646578771 2.3983e-09 deg/d
Q 2.829679869540664 1.7336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:18:03  

Additional Information
 Earth MOID = 1.00612 au 
 Jupiter MOID = 2.22302 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668208373910505 4.5531e-08  
q 2.020550222628996 1.093e-07 au
tp 2456937.908447112073
(2014-Oct-07.40844711)
7.3532e-05 TDB
node 267.2555519746509 8.7163e-05 deg
peri 347.16690954331 8.9254e-05 deg
i 4.303772264174467 4.669e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:18:03  

Additional Information
 Jupiter MOID = 2.22302 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.073112251582845E-15 -4.94499378938365E-15 -1.840200206644113E-12 -4.038011163301171E-15 -5.065509360101532E-13 5.785819474687961E-18
q -4.94499378938365E-15 1.194630711636695E-14 4.386890363523266E-12 8.915800449969149E-15 1.212031437155043E-12 5.97134801993257E-17
tp -1.840200206644113E-12 4.386890363523266E-12 5.406955919389459E-9 1.068003968413954E-11 1.46904247328112E-9 2.45073066937959E-13
node -4.038011163301171E-15 8.915800449969149E-15 1.068003968413954E-11 7.597368578045202E-9 -7.573143574195312E-9 -1.817907095429406E-10
peri -5.065509360101532E-13 1.212031437155043E-12 1.46904247328112E-9 -7.573143574195312E-9 7.966268730980557E-9 1.813079711943066E-10
i 5.785819474687961E-18 5.97134801993257E-17 2.45073066937959E-13 -1.817907095429406E-10 1.813079711943066E-10 2.179975103354437E-11

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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