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223225 (2003 DW7)
Classification: Main-belt Asteroid          SPK-ID: 2223225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233279756367013 6.8626e-08  
a 2.625319209385137 2.2404e-08 au
q 2.301543905891523 1.8957e-07 au
i 2.282088430786595 6.9828e-06 deg
node 185.3511764441956 0.0001029 deg
peri 35.65827040573467 0.00010519 deg
M 21.50469146652268 2.1005e-05 deg
tp 2459107.688387839469
(2020-Sep-15.18838784)
9.0302e-05 TDB
period 1553.715868456213
4.25
1.9888e-05
5.445e-08
d
yr
n .2317025958920658 2.9659e-09 deg/d
Q 2.949094512878751 2.5167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2003-02-25  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:51:32  

Additional Information
 Earth MOID = 1.2927 au 
 Jupiter MOID = 2.02202 au 
 T_jup = 3.391 
[ 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 16.88   n/a E2021B55  

223225 (2003 DW7)          Discovered 2003-Feb-25 by Ticha, J., Tichy, M. at Klet
Reference: 20091102/Numbers.arcLast Updated: 2009-11-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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