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359699 (2011 SX218)
Classification: Main-belt Asteroid          SPK-ID: 2359699
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006471005248487 1.052e-07  
a 2.274250195178566 1.6591e-08 au
q 1.817928487647915 2.2991e-07 au
i 10.7536060346108 5.5645e-06 deg
node 167.1898965787384 3.0479e-05 deg
peri 230.5381226813002 3.8049e-05 deg
M 174.6369553985793 1.3362e-05 deg
tp 2458392.799717258545
(2018-Oct-01.29971726)
4.7238e-05 TDB
period 1252.725125032177
3.43
1.3708e-05
3.753e-08
d
yr
n .2873734970317237 3.1447e-09 deg/d
Q 2.730571902709216 1.992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5268 days (14.42 yr)  
   first obs. used      2004-09-09  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:25  

Additional Information
 Earth MOID = .843514 au 
 Jupiter MOID = 2.74707 au 
 T_jup = 3.561 
[ 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 17.6   n/a MPO471702  

359699 (2011 SX218)          Discovered 2004-Sep-09 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 SX218 = 2004 RH145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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