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(2004 XJ)
Classification: Aten [NEO]          SPK-ID: 3263233
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696348298137816 0.00089119  
a .8869375458451094 0.0011831 au
q .7364820462002212 0.00019197 au
i 12.19108911282361 0.038056 deg
node 253.2445371335522 0.0018139 deg
peri 16.43939972685525 0.086608 deg
M 220.4167682858651 1.3485 deg
tp 2459318.795639129708
(2021-Apr-14.29563913)		 1.3796 TDB
period 305.0970346775702
0.84		 0.61045
0.001671		 d
yr
n 1.179952471122677 0.0023609 deg/d
Q 1.037393045489998 0.0013838 au
   Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      13 days  
   first obs. used      2004-12-02  
   last obs. used      2004-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:28:33  

Additional Information
 Earth MOID = .0409056 au 
 Jupiter MOID = 4.00957 au 
 T_jup = 6.662 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.0   n/a MPO74440  

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