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249418 (2009 DU103)
Classification: Main-belt Asteroid          SPK-ID: 2249418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185271539758099 6.6544e-08  
a 2.780985785928087 3.5326e-08 au
q 2.265748267323803 1.9356e-07 au
i 7.762519904267782 6.8578e-06 deg
node 177.75761232243 4.8964e-05 deg
peri 73.69394835544399 5.3317e-05 deg
M 11.76828286083312 1.9234e-05 deg
tp 2458545.125836553289
(2019-Mar-02.62583655)
9.0086e-05 TDB
period 1693.934372291641
4.64
3.2276e-05
8.837e-08
d
yr
n .2125229913795146 4.0494e-09 deg/d
Q 3.296223304532371 4.1871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7007 days (19.18 yr)  
   first obs. used      2000-04-28  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:45  

Additional Information
 Earth MOID = 1.26675 au 
 Jupiter MOID = 1.79057 au 
 T_jup = 3.295 
[ 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 16.2   n/a MPO437158  
diameter diameter 3.785 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249418 (2009 DU103)          Discovered 2009-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 DU103 = 2001 SY326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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