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

[ hide orbit diagram ]

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 .4592281845415858 0.00021338  
a .6909776941315245 9.2135e-05 au
q .3736612620967734 0.00019726 au
i 14.80513539351238 0.012277 deg
node 237.4889716809044 0.00056129 deg
peri .43819891504342 0.00094479 deg
M 13.92574224478768 0.32517 deg
tp 2459388.384592717349
(2021-Jun-22.88459272)
0.18787 TDB
period 209.7946788328536
0.57
0.041961
0.0001149
d
yr
n 1.715963445797484 0.00034321 deg/d
Q 1.008294126166276 0.00013445 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 = .020174 au 
 Jupiter MOID = 3.99474 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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