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(2018 WU)
Classification: Aten [NEO]          SPK-ID: 3836286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4592381828361245 0.00021339  
a .6909804730406838 9.2369e-05 au
q .3736558562262344 0.0001974 au
i 14.80537607957232 0.012277 deg
node 237.4901409191246 0.00057061 deg
peri .4377071372442581 0.00096839 deg
M 37.5957534411674 0.25775 deg
tp 2459178.590453889287
(2020-Nov-25.09045389)
0.14582 TDB
period 209.7959444329135
0.57
0.042068
0.0001152
d
yr
n 1.715953094198717 0.00034408 deg/d
Q 1.008305089855133 0.00013479 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      10 days  
   first obs. used      2018-11-18  
   last obs. used      2018-11-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .52953  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:15  

Additional Information
 Earth MOID = .0198723 au 
 Jupiter MOID = 3.99592 au 
 T_jup = 8.156 
[ 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 24.7   .56024 E2018W69 autocmod 2.6q

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