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(2009 BD)
Classification: Apollo [NEO]          SPK-ID: 3444297
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2455034.5 (2009-Jul-22.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03918047655716705 2.1634e-08  
a 1.008256238737186 4.3835e-08 AU
q .9687522788117261 5.3759e-08 AU
i .3813320396166669 3.7576e-07 deg
node 59.39409662611912 6.4299e-05 deg
peri 113.4681700708581 7.1244e-05 deg
M 128.4970054532181 2.9186e-05 deg
tp 2454902.508698927404
(2009-Mar-12.00869893)		 2.1729e-05 JED
period 369.7896944643898
1.01		 2.4115e-05
6.602e-08		 d
yr
n .9735263188484218 6.3487e-08 deg/d
Q 1.047760198662645 4.5552e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 6.320252587514057E-11 9.486E-12
A2 [EST] -1.268504178422042E-12 1.461E-13
   Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      885 days (2.42 yr)  
   first obs. used      2009-01-16  
   last obs. used      2011-06-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   fit RMS      .50609  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Sep-14 20:38:16  

Additional Information
 Earth MOID = .0041285 AU 
 T_jup = 6.040 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.236 mag .56724 34 autocmod 2.5a

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