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351121 (2003 WE66)
Classification: Main-belt Asteroid          SPK-ID: 2351121
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 .08682467009159134 8.3852e-08  
a 2.681944414778842 2.7567e-08 au
q 2.449085475761684 2.2661e-07 au
i 8.215416645962813 9.3294e-06 deg
node 23.61858838554859 4.1298e-05 deg
peri 6.871771564350376 5.327e-05 deg
M 303.4742324243435 3.6328e-05 deg
tp 2459252.393553644288
(2021-Feb-06.89355364)
0.00016373 TDB
period 1604.25383327297
4.39
2.4735e-05
6.772e-08
d
yr
n .2244033908683481 3.4599e-09 deg/d
Q 2.914803353796001 2.9961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5703 days (15.61 yr)  
   first obs. used      2003-11-19  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:36:53  

Additional Information
 Earth MOID = 1.45428 au 
 Jupiter MOID = 2.48263 au 
 T_jup = 3.356 
[ 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 16.5   n/a MPO437486  
diameter diameter 3.355 km 0.828 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

351121 (2003 WE66)          Discovered 2003-Nov-19 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2003 WE66 = 2007 UA66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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