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379232 (2009 SJ269)
Classification: Main-belt Asteroid          SPK-ID: 2379232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805759958383448 1.1076e-07  
a 2.432277568664962 3.6569e-08 au
q 1.993066624548018 2.5617e-07 au
i 1.332604009077249 9.4225e-06 deg
node 15.83072053077963 0.00051041 deg
peri 40.81680532589709 0.00051161 deg
M 261.9477367097947 3.2841e-05 deg
tp 2459377.875108354188
(2021-Jun-12.37510835)
0.00013029 TDB
period 1385.537002908515
3.79
3.1247e-05
8.555e-08
d
yr
n .2598270556789816 5.8597e-09 deg/d
Q 2.871488512781906 4.3172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2005-08-08  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:32:09  

Additional Information
 Earth MOID = 1.00519 au 
 Jupiter MOID = 2.47347 au 
 T_jup = 3.484 
[ 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 18.1   n/a MPO281810  

379232 (2009 SJ269)          Discovered 2009-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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