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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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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0951750623495521 5.3939e-08  
a 2.365013261315343 1.4334e-08 au
q 2.139922976712138 1.2658e-07 au
i 4.006979323887921 6.1954e-06 deg
node 3.759169927055229 6.0339e-05 deg
peri 141.3707055826215 6.7463e-05 deg
M 284.4126150234232 3.3207e-05 deg
tp 2459675.430250773066
(2022-Apr-05.93025077)
0.00012423 TDB
period 1328.460963551266
3.64
1.2078e-05
3.307e-08
d
yr
n .2709902736152979 2.4637e-09 deg/d
Q 2.590103545918549 1.5699e-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 = 1.15405 au 
 Jupiter MOID = 2.40468 au 
 T_jup = 3.539 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457758.5 (2017-Jan-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09404914869082519 5.3597e-08  
q 2.143380639709602 1.2561e-07 au
tp 2458344.353713368528
(2018-Aug-13.85371337)
0.00011859 TDB
node 3.871529865933067 6.0337e-05 deg
peri 140.7363268468916 6.7728e-05 deg
i 4.006844382424024 6.1929e-06 deg
  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
 Jupiter MOID = 2.40468 au 
 T_jup = 3.539 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.872644486278306E-15 -6.69619155511899E-15 2.242253274919881E-12 -6.186452571339359E-15 6.255815798022424E-13 9.877522831060328E-16
q -6.69619155511899E-15 1.577795214898729E-14 -4.342182039347816E-12 1.140378001820633E-14 -1.246628505681879E-12 -1.780044025337798E-15
tp 2.242253274919881E-12 -4.342182039347816E-12 1.4063154105685E-8 -4.563452173762643E-11 3.656999258962529E-9 5.66542304697229E-12
node -6.186452571339359E-15 1.140378001820633E-14 -4.563452173762643E-11 3.640498361823934E-9 -3.642467434415782E-9 -8.498447122858674E-11
peri 6.255815798022424E-13 -1.246628505681879E-12 3.656999258962529E-9 -3.642467434415782E-9 4.58712229406262E-9 8.617674391357555E-11
i 9.877522831060328E-16 -1.780044025337798E-15 5.66542304697229E-12 -8.498447122858674E-11 8.617674391357555E-11 3.835190442266996E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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