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(2012 BW13)
Classification: Apollo [NEO]          SPK-ID: 3596031
[ 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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5405373303692694 0.00035944  
a 1.88918724254011 0.0013578 AU
q .8680110138897972 5.5207e-05 AU
i 1.097939263825291 0.00043463 deg
node 310.6028680467383 0.001176 deg
peri 223.8163965313318 0.0006301 deg
M 156.5986813458279 0.16692 deg
tp 2455987.931056380288
(2012-Mar-01.43105638)		 0.0050294 JED
period 948.4423395309343
2.60		 1.0225
0.002799		 d
yr
n .3795697271149273 0.00040921 deg/d
Q 2.910363471190422 0.0020917 AU
   Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      5 days  
   first obs. used      2012-01-19  
   last obs. used      2012-01-24  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      7  
   fit RMS      .48559  
   data source      ORB  
   producer      Otto Matic  
   solution date      2012-Feb-06 23:50:25  

Additional Information
 Earth MOID = .00160323 AU 
 T_jup = 3.768 
[ 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 27.229 mag .4305 7 autocmod 2.5b

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