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226556 (2003 WS33)
Classification: Main-belt Asteroid          SPK-ID: 2226556
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248943032688616 4.5185e-08  
a 3.155256358291485 2.6367e-08 au
q 2.445657177958875 1.5216e-07 au
i 9.085906449992006 5.3248e-06 deg
node 264.0541731772589 3.7154e-05 deg
peri 137.2598089968719 4.0114e-05 deg
M 350.1092961208499 1.5049e-05 deg
tp 2459056.743857799013
(2020-Jul-26.24385780)
8.594e-05 TDB
period 2047.153474115008
5.60
2.5661e-05
7.026e-08
d
yr
n .1758539379445546 2.2043e-09 deg/d
Q 3.864855538624093 3.2297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6267 days (17.16 yr)  
   first obs. used      2002-07-03  
   last obs. used      2019-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:38  

Additional Information
 Earth MOID = 1.46393 au 
 Jupiter MOID = 1.60534 au 
 T_jup = 3.148 
[ 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 MPO454626  
diameter diameter 5.599 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226556 (2003 WS33)          Discovered 2003-Nov-18 by NEAT at Palomar
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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