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(2008 LA)
Classification: Apollo [NEO]          SPK-ID: 3413073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5759422036489364 8.919e-06  
a 2.225462407633975 6.0334e-06 au
q .943724684443396 1.7291e-05 au
i 1.675622787238536 0.00021945 deg
node 161.8736500762401 0.019437 deg
peri 144.1736650378373 0.021657 deg
M 203.5074933433938 0.10653 deg
tp 2459527.632589648642
(2021-Nov-09.13258965)
0.36098 TDB
period 1212.631430908838
3.32
0.0049313
1.35e-05
d
yr
n .2968750362426187 1.2073e-06 deg/d
Q 3.507200130824554 9.5084e-06 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      107 days  
   first obs. used      2008-06-01  
   last obs. used      2008-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .57985  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:19  

Additional Information
 Earth MOID = .000716961 au 
 Jupiter MOID = 1.78584 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454635.5 (2008-Jun-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5748203811966681 2.8826e-05  
q .9476676023089865 2.9513e-06 au
tp 2454669.870784916137
(2008-Jul-22.37078492)
0.00015557 TDB
node 162.5246682105984 0.00083681 deg
peri 143.5856955676995 0.00075667 deg
i 1.664100142060878 6.8613e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      107 days  
   first obs. used      2008-06-01  
   last obs. used      2008-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .57985  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:19  

Additional Information
 Jupiter MOID = 1.78584 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.309371964713229E-10 -8.501297862458885E-11 -4.436472202143078E-9 2.084092469599723E-8 -1.822482792697309E-8 1.975492865625464E-9
q -8.501297862458885E-11 8.710163336102565E-12 4.519602609899381E-10 -2.139476134196499E-9 1.869268427448849E-9 -2.021941445589624E-10
tp -4.436472202143078E-9 4.519602609899381E-10 2.420216987401752E-8 -1.081739612228926E-7 9.47554980133335E-8 -1.050829500841284E-8
node 2.084092469599723E-8 -2.139476134196499E-9 -1.081739612228926E-7 7.002523927982158E-7 -6.319632053229165E-7 4.958114725292948E-8
peri -1.822482792697309E-8 1.869268427448849E-9 9.47554980133335E-8 -6.319632053229165E-7 5.725542080174843E-7 -4.33286725977509E-8
i 1.975492865625464E-9 -2.021941445589624E-10 -1.050829500841284E-8 4.958114725292948E-8 -4.33286725977509E-8 4.707686923544013E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.1   n/a MPO147446  

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