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226502 (2003 SY318)
Classification: Main-belt Asteroid          SPK-ID: 2226502
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 .1211043708881645 4.8193e-08  
a 3.104306236214186 3.2365e-08 au
q 2.728361182433261 1.5088e-07 au
i 11.04894828733753 6.0497e-06 deg
node 204.8700950900659 2.5689e-05 deg
peri 49.13076063137015 3.5421e-05 deg
M 123.6463605529203 2.3048e-05 deg
tp 2458314.342049537912
(2018-Jul-14.84204954)
0.00012732 TDB
period 1997.768968384873
5.47
3.1243e-05
8.554e-08
d
yr
n .1802010170830952 2.8181e-09 deg/d
Q 3.480251289995111 3.6285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1996-04-14  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:34  

Additional Information
 Earth MOID = 1.73007 au 
 Jupiter MOID = 1.57981 au 
 T_jup = 3.181 
[ 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 MPO494242  

226502 (2003 SY318)          Discovered 2003-Sep-19 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 SY318 = 2006 DM203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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