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(2018 LG4)
Classification: Aten [NEO]          SPK-ID: 3825168
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3069354859540877 0.00026045  
a .9207540714447369 1.4584e-05 au
q .6381419730816419 0.00022971 au
i 1.974231566225084 0.002232 deg
node 96.46708265692942 0.0083708 deg
peri 35.46016950032675 0.012433 deg
M 178.9456189438571 0.027895 deg
tp 2458840.089619799080
(2019-Dec-22.58961980)
0.021195 TDB
period 322.7110963272547
0.88
0.0076674
2.099e-05
d
yr
n 1.115548873581129 2.6505e-05 deg/d
Q 1.203366169807832 1.9061e-05 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      10 days  
   first obs. used      2018-06-08  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .55941  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-10 05:35:59  

Additional Information
 Earth MOID = .0112947 au 
 Jupiter MOID = 3.83168 au 
 T_jup = 6.451 
[ show covariance matrix ]

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 27.0   n/a MPO477906  

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