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226569 (2003 WW189)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226569
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720079011576784 5.147e-08  
a 3.233868376426758 4.1361e-08 au
q 2.677617464377402 1.7574e-07 au
i 18.5804425524978 7.5171e-06 deg
node 315.4702785748642 1.7557e-05 deg
peri 115.7822574565966 2.8818e-05 deg
M 277.7463228807295 2.1713e-05 deg
tp 2459485.827340163987
(2021-Sep-28.32734016)
0.00013139 TDB
period 2124.134124796495
5.82
4.0751e-05
1.116e-07
d
yr
n .1694808231728258 3.2515e-09 deg/d
Q 3.790119288476114 4.8475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      7810 days (21.38 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:02:29  

Additional Information
 Earth MOID = 1.75164 au 
 Jupiter MOID = 1.61081 au 
 T_jup = 3.081 
[ 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 15.2   n/a MPO475855  
diameter diameter 5.088 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226569 (2003 WW189)          Discovered 2003-Nov-24 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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