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43417 (2000 WE169)
Classification: Main-belt Asteroid          SPK-ID: 2043417
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780607242099813 4.6826e-08  
a 2.324884562068414 9.6918e-09 au
q 1.910913933241907 1.1245e-07 au
i 6.03895194093307 3.4959e-06 deg
node 246.5372288939199 5.1579e-05 deg
peri 146.840248205072 5.3591e-05 deg
M 293.8544050021113 1.7161e-05 deg
tp 2459438.402466116911
(2021-Aug-11.90246612)
6.2713e-05 TDB
period 1294.793520336788
3.54
8.0964e-06
2.217e-08
d
yr
n .2780366091933798 1.7386e-09 deg/d
Q 2.738855190894921 1.1418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:19:50  

Additional Information
 Earth MOID = .919872 au 
 Jupiter MOID = 2.69485 au 
 T_jup = 3.546 
[ 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 15.3   n/a MPO231690  
diameter diameter 2.431 km 0.503 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43417 (2000 WE169)          Discovered 2000-Nov-25 by LONEOS at Anderson Mesa
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

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