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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237381482365688 9.9671e-08  
a 2.64892042215903 3.0394e-08 AU
q 2.321147914295042 2.7424e-07 AU
i 14.37584439705627 9.1176e-06 deg
node 213.0173509726882 2.7047e-05 deg
peri 326.977848604309 3.6876e-05 deg
M 213.7787899299563 2.6365e-05 deg
tp 2457640.101785020767
(2016-Sep-08.60178502)
0.00011827 JED
period 1574.714383071905
4.31
2.7103e-05
7.42e-08
d
yr
n .2286128861652504 3.9347e-09 deg/d
Q 2.976692930023018 3.4155e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      6223 days (17.04 yr)  
   first obs. used      1997-10-29  
   last obs. used      2014-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:24:37  

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 14.5 mag n/a MPO309398  

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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