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31543 (1999 DM5)
Classification: Main-belt Asteroid          SPK-ID: 2031543
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124222080887832 9.0272e-08  
a 2.649860984426704 2.8163e-08 au
q 2.320689738877739 2.4925e-07 au
i 14.37799337357402 8.2025e-06 deg
node 213.002738297432 2.6077e-05 deg
peri 326.8631055159609 3.5811e-05 deg
M 351.0840308388257 2.6151e-05 deg
tp 2457639.521065142209
(2016-Sep-08.02106514)
0.00011462 JED
period 1575.553167272839
4.31
2.5118e-05
6.877e-08
d
yr
n .2284911785129614 3.6427e-09 deg/d
Q 2.979032229975668 3.1662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      1997-10-29  
   last obs. used      2016-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52841  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:06:56  

Additional Information
 Earth MOID = 1.33285 au 
 Jupiter MOID = 2.02629 au 
 T_jup = 3.335 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO309398  

31543 (1999 DM5)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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