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118974 (2000 WU173)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07723738222275835 4.8572e-08  
a 3.209803179255409 2.4523e-08 au
q 2.961886384239434 1.5299e-07 au
i 14.3311885973469 5.0149e-06 deg
node 91.93769917053076 1.9742e-05 deg
peri 331.9643739989345 3.5878e-05 deg
M 163.7614012802215 3.089e-05 deg
tp 2458245.012353844258
(2018-May-06.51235384)
0.0001773 TDB
period 2100.467814314014
5.75
2.4071e-05
6.59e-08
d
yr
n .1713903910103814 1.9641e-09 deg/d
Q 3.457719974271384 2.6417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:45  

Additional Information
 Earth MOID = 1.98348 au 
 Jupiter MOID = 1.80972 au 
 T_jup = 3.138 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.13   n/a E2021B55  
diameter diameter 5.877 km 1.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118974 (2000 WU173)          Discovered 2000-Nov-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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