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416843 (2005 LA20)
Classification: Mars-crossing Asteroid          SPK-ID: 2416843
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .352790455072115 8.1103e-08  
a 2.568312443489828 6.6197e-08 au
q 1.662236327783676 2.1831e-07 au
i 13.08971721459275 8.5572e-06 deg
node 136.048333641751 8.5659e-05 deg
peri 168.1782094371657 0.00011932 deg
M 203.9250314827001 9.1384e-05 deg
tp 2459652.279904076198
(2022-Mar-13.77990408)
0.00040553 TDB
period 1503.384993099793
4.12
5.8124e-05
1.591e-07
d
yr
n .2394596205578218 9.258e-09 deg/d
Q 3.47438855919598 8.9551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4895 days (13.40 yr)  
   first obs. used      2005-05-21  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69736  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:19:40  

Additional Information
 Earth MOID = .649575 au 
 Jupiter MOID = 1.82631 au 
 T_jup = 3.307 
[ 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 17.3   n/a MPO472191  

416843 (2005 LA20)          Discovered 2005-Jun-11 by Lowe, A. at Mayhill
Reference: Last Updated: 2015-01-07

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