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243867 (2000 WF189)
Classification: Main-belt Asteroid          SPK-ID: 2243867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07240532141237484 1.2855e-07  
a 2.992927767412878 5.0184e-08 au
q 2.776223870449327 4.0698e-07 au
i 7.889368098519235 1.044e-05 deg
node 238.4785469834886 9.6201e-05 deg
peri 158.4695223455643 0.00012596 deg
M 290.2246684725486 8.5167e-05 deg
tp 2459367.057565969815
(2021-Jun-01.55756597)
0.00045096 TDB
period 1891.223171003017
5.18
4.7566e-05
1.302e-07
d
yr
n .1903529977422351 4.7876e-09 deg/d
Q 3.209631664376428 5.3817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2000-10-26  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56209  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:34:31  

Additional Information
 Earth MOID = 1.78572 au 
 Jupiter MOID = 2.15507 au 
 T_jup = 3.237 
[ 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 15.5   n/a MPO450093  
diameter diameter 4.488 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243867 (2000 WF189)          Discovered 2000-Nov-18 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2000 WF189 = 2005 UB443 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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