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181597 (2006 WU5)
Classification: Main-belt Asteroid          SPK-ID: 2181597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06239280511239671 4.4615e-08  
a 2.787478430234416 1.6684e-08 au
q 2.61355983178179 1.293e-07 au
i 4.792224383697256 4.3509e-06 deg
node 109.7089756917426 5.7203e-05 deg
peri 312.9187130125489 6.9794e-05 deg
M 6.296228529286932 3.8527e-05 deg
tp 2459170.770083997282
(2020-Nov-17.27008400)
0.00018189 TDB
period 1699.869963613062
4.65
1.5262e-05
4.179e-08
d
yr
n .2117809054257435 1.9014e-09 deg/d
Q 2.961397028687041 1.7725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-03-21  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:39  

Additional Information
 Earth MOID = 1.62909 au 
 Jupiter MOID = 2.23186 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457511.5 (2016-May-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06144536546182879 4.4329e-08  
q 2.61613501379682 1.2833e-07 au
tp 2457457.535463080081
(2016-Mar-10.03546308)
0.00018477 TDB
node 109.830244700408 5.7336e-05 deg
peri 310.1798681720456 7.0376e-05 deg
i 4.787172808553667 4.3448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-03-21  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:39  

Additional Information
 Jupiter MOID = 2.23186 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.965091395050412E-15 -5.64872450189378E-15 -4.2706728675729E-14 -7.596276934362698E-15 3.711144257372842E-14 -1.997218424207329E-15
q -5.64872450189378E-15 1.646898954502194E-14 2.127428189447168E-13 2.115127844484638E-14 -8.651185821278241E-14 6.152858528700628E-15
tp -4.2706728675729E-14 2.127428189447168E-13 3.413906195710698E-8 -5.345292360642903E-12 7.566776407971102E-9 5.067282233793403E-12
node -7.596276934362698E-15 2.115127844484638E-14 -5.345292360642903E-12 3.287391706558478E-9 -3.276973602260458E-9 -1.34509737510015E-11
peri 3.711144257372842E-14 -8.651185821278241E-14 7.566776407971102E-9 -3.276973602260458E-9 4.952771177774637E-9 1.447132582413089E-11
i -1.997218424207329E-15 6.152858528700628E-15 5.067282233793403E-12 -1.34509737510015E-11 1.447132582413089E-11 1.887756264356161E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.56   n/a MPCxxxxx  

181597 (2006 WU5)          Discovered 2006-Nov-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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