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(2018 LB)
Classification: Aten [NEO]          SPK-ID: 3825059
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3189825216665231 0.00034303  
a .8250569767941721 0.00013211 au
q .5618782218178091 0.00037292 au
i .8791798670430334 0.00096296 deg
node 79.512069043453 0.0028275 deg
peri 318.6409043934593 0.0016968 deg
M 18.9345791467864 0.32352 deg
tp 2459186.102818012566
(2020-Dec-02.60281801)		 0.24253 TDB
period 273.7312234560948
0.75		 0.065745
0.00018		 d
yr
n 1.315158700036799 0.00031588 deg/d
Q 1.088235731770535 0.00017425 au
   Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      1 day  
   first obs. used      2018-06-01  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51642  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-03 18:42:03  

Additional Information
 Earth MOID = .00245002 au 
 Jupiter MOID = 4.29857 au 
 T_jup = 7.061 
[ 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 26.0   n/a E2018L07  

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