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233691 (2008 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2233691
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07985633297785842 5.003e-08  
a 3.005707191120837 3.5986e-08 au
q 2.765682436832748 1.5035e-07 au
i 2.973898196564541 5.649e-06 deg
node 201.2062195718701 0.00010859 deg
peri 103.9609000838313 0.00011462 deg
M 131.5123116037236 3.6849e-05 deg
tp 2458305.183807840242
(2018-Jul-05.68380784)		 0.00019565 TDB
period 1903.349018240702
5.21		 3.4182e-05
9.359e-08		 d
yr
n .1891402977330737 3.3968e-09 deg/d
Q 3.245731945408926 3.886e-08 au
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:10  

Additional Information
 Earth MOID = 1.7526 au 
 Jupiter MOID = 1.93374 au 
 T_jup = 3.244 
[ 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 15.7   n/a MPO454690  

233691 (2008 SX9)          Discovered 2008-Sep-22 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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