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103817 (2000 DW20)
Classification: Main-belt Asteroid          SPK-ID: 2103817
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02429644464116067 3.6746e-08  
a 2.68633573413046 1.5259e-08 au
q 2.621067326678587 1.0422e-07 au
i 2.175189175391079 5.1958e-06 deg
node 179.8613861258394 0.00010706 deg
peri 309.0539947434702 0.00015626 deg
M 276.9349944059544 0.00011434 deg
tp 2459571.568816025805
(2021-Dec-23.06881603)		 0.0005112 TDB
period 1608.195567001389
4.40		 1.3703e-05
3.752e-08		 d
yr
n .2238533716836747 1.9073e-09 deg/d
Q 2.751604141582332 1.563e-08 au
   Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      8040 days (22.01 yr)  
   first obs. used      1999-01-07  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:35:57  

Additional Information
 Earth MOID = 1.63591 au 
 Jupiter MOID = 2.23438 au 
 T_jup = 3.373 
[ 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 15.97   n/a E2021B55  

103817 (2000 DW20)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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