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312529 (2009 DY109)
Classification: Main-belt Asteroid          SPK-ID: 2312529
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09988614468436542 5.4017e-08  
a 2.215670067761011 1.4323e-08 au
q 1.994355326799817 1.1625e-07 au
i 5.240535306564957 5.0744e-06 deg
node 331.3926254977287 6.1443e-05 deg
peri 204.8577282402381 6.8036e-05 deg
M 141.0522479232995 2.7059e-05 deg
tp 2458528.509155998801
(2019-Feb-14.00915600)
9.1354e-05 TDB
period 1204.636624669945
3.30
1.1681e-05
3.198e-08
d
yr
n .2988453054037233 2.8978e-09 deg/d
Q 2.436984808722205 1.5754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      7404 days (20.27 yr)  
   first obs. used      1999-02-23  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:02  

Additional Information
 Earth MOID = 1.00037 au 
 Jupiter MOID = 2.53429 au 
 T_jup = 3.642 
[ 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 17.3   n/a MPO352915  

312529 (2009 DY109)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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