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268638 (2006 DW109)
Classification: Main-belt Asteroid          SPK-ID: 2268638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .07758045951376816 1.0456e-07  
a 2.947001106967948 3.8129e-08 au
q 2.718371406901792 3.1297e-07 au
i 16.19568369740897 2.4296e-05 deg
node 351.0844577697287 2.4582e-05 deg
peri 64.76374490922403 0.00017817 deg
M 330.865578129996 0.00017996 deg
tp 2458750.045303731177
(2019-Sep-23.54530373)
0.00092406 TDB
period 1847.859194990651
5.06
3.5862e-05
9.818e-08
d
yr
n .1948200387648159 3.7809e-09 deg/d
Q 3.175630807034105 4.1087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1998-09-16  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:27:29  

Additional Information
 Earth MOID = 1.76653 au 
 Jupiter MOID = 2.11967 au 
 T_jup = 3.207 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO454996  
diameter diameter 5.095 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268638 (2006 DW109)          Discovered 2006-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2006 DW109 = 2003 SO20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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