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186781 (2004 DE43)
Classification: Main-belt Asteroid          SPK-ID: 2186781
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09508447960517427 5.3932e-08  
a 2.364950568455696 1.4401e-08 au
q 2.140080474362125 1.2651e-07 au
i 4.006956518460156 6.1954e-06 deg
node 3.759408750889246 6.034e-05 deg
peri 141.4007479647838 6.7471e-05 deg
M 231.2553836443639 3.2909e-05 deg
tp 2459675.570545668500
(2022-Apr-06.07054567)
0.0001243 TDB
period 1328.408140719686
3.64
1.2133e-05
3.322e-08
d
yr
n .2710010492746336 2.4753e-09 deg/d
Q 2.589820662549267 1.577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2002-09-14  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:40  

Additional Information
 Earth MOID = 1.15332 au 
 Jupiter MOID = 2.40549 au 
 T_jup = 3.539 
[ 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 16.95   n/a E2021B55  

186781 (2004 DE43)          Discovered 2004-Feb-23 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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