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(2018 CW2)
Classification: Aten [NEO]          SPK-ID: 3799312
[ 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4210312048062528 4.0937e-06  
a .7621491979791716 4.0618e-08 au
q .4412606029118817 3.1433e-06 au
i 4.952796809732948 0.0001377 deg
node 332.049340252097 0.00011685 deg
peri 327.2146310617314 0.00017253 deg
M 259.0889449283552 0.00097842 deg
tp 2459464.623141692310
(2021-Sep-07.12314169)		 0.00066587 TDB
period 243.0291804185347
0.67		 1.9428e-05
5.319e-08		 d
yr
n 1.481303600580074 1.1842e-07 deg/d
Q 1.083037793046461 5.7719e-08 au
   Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      737 days (2.02 yr)  
   first obs. used      2018-02-09  
   last obs. used      2020-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .54141  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:22:04  

Additional Information
 Earth MOID = .00423635 au 
 Jupiter MOID = 4.12198 au 
 T_jup = 7.519 
[ 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 25.8   n/a MPO545073  

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