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201640 (2003 SS326)
Classification: Main-belt Asteroid          SPK-ID: 2201640
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01334345998940568 5.2512e-08  
a 2.695628421268763 2.1005e-08 au
q 2.659659411283259 1.4362e-07 au
i 5.615466715741423 5.8289e-06 deg
node 220.2406553542363 4.8286e-05 deg
peri 132.9111435193139 0.00018686 deg
M 278.2668843078478 0.00018289 deg
tp 2459367.515174488173
(2021-Jun-02.01517449)
0.00082291 TDB
period 1616.547487476103
4.43
1.8895e-05
5.173e-08
d
yr
n .2226968293780616 2.603e-09 deg/d
Q 2.731597431254268 2.1285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:04:31  

Additional Information
 Earth MOID = 1.65811 au 
 Jupiter MOID = 2.30141 au 
 T_jup = 3.363 
[ 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 16.3   n/a MPO433321  

201640 (2003 SS326)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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