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469541 (2003 SD331)
Classification: Main-belt Asteroid          SPK-ID: 2469541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131948999962281 6.8544e-08  
a 2.218298033957227 1.4122e-08 au
q 1.745368206445886 1.6022e-07 au
i 6.459776832459766 6.0262e-06 deg
node 86.34641392463921 5.2871e-05 deg
peri 235.2216939559332 5.7902e-05 deg
M 52.4410910822246 1.786e-05 deg
tp 2458824.708655995214
(2019-Dec-07.20865600)
5.982e-05 TDB
period 1206.780456617427
3.30
1.1524e-05
3.155e-08
d
yr
n .2983144100701384 2.8486e-09 deg/d
Q 2.691227861468567 1.7132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5785 days (15.84 yr)  
   first obs. used      2003-09-26  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:32  

Additional Information
 Earth MOID = .742129 au 
 Jupiter MOID = 2.6328 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO477208  

469541 (2003 SD331)          Discovered 2003-Sep-26 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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