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(2009 TT)
Classification: Apollo [NEO]          SPK-ID: 3471218
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5681206455014624 0.00053641  
a 2.335000214921461 0.0033187 au
q 1.008438385574227 0.00018076 au
i 11.41826176438695 0.0084306 deg
node 199.5660774974693 0.00054985 deg
peri 204.2540061602143 0.010322 deg
M 43.93774232786629 2.3512 deg
tp 2459041.438874543234
(2020-Jul-10.93887454)		 8.1726 TDB
period 1303.253242671023
3.57		 2.7784
0.007607		 d
yr
n .2762318083799113 0.00058891 deg/d
Q 3.661562044268696 0.0052041 au
   Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      8 days  
   first obs. used      2009-10-10  
   last obs. used      2009-10-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51065  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:02:54  

Additional Information
 Earth MOID = .0367007 au 
 Jupiter MOID = 1.78481 au 
 T_jup = 3.309 
[ 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 25.1   n/a MPO164404  

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