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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237381639772814 1.045e-07  
a 2.648920405190311 4.382e-08 AU
q 2.321147857730105 2.9575e-07 AU
i 14.37584480689313 9.1701e-06 deg
node 213.01735226723 3.1951e-05 deg
peri 326.977862718178 4.9675e-05 deg
M 213.7787815295187 3.0627e-05 deg
tp 2457640.101815620180
(2016-Sep-08.60181562)
0.00013117 JED
period 1574.714367940711
4.31
3.9075e-05
1.07e-07
d
yr
n .2286128883619574 5.6728e-09 deg/d
Q 2.976692952650516 4.9243e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      6088 days (16.67 yr)  
   first obs. used      1997-10-29  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54591  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:05:03  

Additional Information
 Earth MOID = 1.33499 AU 
 T_jup = 3.336 
[ 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 14.4 mag n/a MPO231629  

31543 (1999 DM5)          Discovered 1999-Feb-17 by LINEAR at Socorro (704)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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