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(2018 LN4)
Classification: Apollo [NEO]          SPK-ID: 3825179
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .296371950848913 0.00057551  
a 1.306482230323781 0.0010848 au
q .919277542973283 1.145e-05 au
i 24.06678226179366 0.030143 deg
node 262.29360767423 0.0003022 deg
peri 66.3479040535691 0.044413 deg
M 75.4624071394243 0.51036 deg
tp 2458886.164303597981
(2020-Feb-06.66430360)
0.63086 TDB
period 545.4484194849232
1.49
0.67935
0.00186
d
yr
n .6600074125064923 0.00082203 deg/d
Q 1.693686917674279 0.0014063 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      11 days  
   first obs. used      2018-06-12  
   last obs. used      2018-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45014  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-24 06:23:56  

Additional Information
 Earth MOID = .0422957 au 
 Jupiter MOID = 3.69199 au 
 T_jup = 4.857 
[ 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 23.7   n/a E2018M96  

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