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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170894506686777 5.3615e-08  
a 3.240216120089615 4.8063e-08 au
q 2.686480984688357 1.7827e-07 au
i 18.5440277445269 7.8783e-06 deg
node 315.5228523675185 1.9141e-05 deg
peri 115.1405224473351 3.3309e-05 deg
M 210.6671394442959 2.3676e-05 deg
tp 2459484.215104199806
(2021-Sep-26.71510420)
0.00014301 TDB
period 2130.391370848069
5.83
4.7401e-05
1.298e-07
d
yr
n .1689830351954021 3.7598e-09 deg/d
Q 3.793951255490872 5.6277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6587 days (18.03 yr)  
   first obs. used      1999-03-13  
   last obs. used      2017-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53119  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:46:22  

Additional Information
 Earth MOID = 1.76094 au 
 Jupiter MOID = 1.61184 au 
 T_jup = 3.080 
[ 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 MPO372521  
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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