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JPL Small-Body Database Browser
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(2003 WU188)
Classification: TransNeptunian Object          SPK-ID: 3172335
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03998257698584821 2.7285e-05  
a 43.9120872294762 0.0025858 au
q 42.15636882121439 0.0024147 au
i 3.776002465726382 0.00018731 deg
node 84.0671387835116 0.0011965 deg
peri 306.4003019282571 0.064832 deg
M 79.00691830884064 0.064406 deg
tp 2436070.666615582861
(1957-Aug-20.16661558)
16.99 TDB
period 106285.6291339557
290.99
9.388
0.0257
d
yr
n .003387099487798851 2.9917e-07 deg/d
Q 45.66780563773801 0.0026892 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-11-21  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .46466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:03:38  

Additional Information
 Earth MOID = 41.1629 au 
 Jupiter MOID = 37.1931 au 
 T_jup = 5.911 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457278.5 (2015-Sep-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03924519837960057 2.9576e-05  
q 42.57322309841056 0.0019973 au
tp 2439849.938457536649
(1967-Dec-25.43845754)
17.369 TDB
node 84.05309999811789 0.0011929 deg
peri 320.5014039382851 0.064431 deg
i 3.773028860238775 0.00018653 deg
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-11-21  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .46466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:03:38  

Additional Information
 Jupiter MOID = 37.1931 au 
 T_jup = 5.911 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.747186444077223E-10 8.15468257606554E-9 .0001647290004190647 1.526691490633382E-10 5.824434039754832E-7 5.083477170207598E-11
q 8.15468257606554E-9 3.989306325382515E-6 .03403300089364955 1.541485366363244E-8 .0001266136052575001 4.440789265167206E-9
tp .0001647290004190647 .03403300089364955 301.66683980366 .0001440280995487751 1.118734315002609 4.222422690678563E-5
node 1.526691490633382E-10 1.541485366363244E-8 .0001440280995487751 1.422976181388705E-6 -8.880517353239752E-7 2.203165934917096E-7
peri 5.824434039754832E-7 .0001266136052575001 1.118734315002609 -8.880517353239752E-7 .004151335581874177 -6.413590115013272E-8
i 5.083477170207598E-11 4.440789265167206E-9 4.222422690678563E-5 2.203165934917096E-7 -6.413590115013272E-8 3.479202842578395E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.37   n/a E2021A28  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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