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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721548628262684 4.7207e-08  
a 3.232493378463171 3.4422e-08 au
q 2.676003924307023 1.6903e-07 au
i 18.58225223603398 6.7388e-06 deg
node 315.4730460829152 1.5004e-05 deg
peri 115.9712034624579 2.7784e-05 deg
M 344.7342109187081 2.1625e-05 deg
tp 2459486.516401938396
(2021-Sep-29.01640194)
0.00012798 TDB
period 2122.779538303434
5.81
3.3907e-05
9.283e-08
d
yr
n .1695889721490903 2.7088e-09 deg/d
Q 3.788982832619319 4.0347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      7939 days (21.74 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:36:22  

Additional Information
 Earth MOID = 1.74979 au 
 Jupiter MOID = 1.61052 au 
 T_jup = 3.082 
[ 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 15.25   n/a E2021B55  
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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