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(2009 OA7)
Classification: Main-belt Asteroid          SPK-ID: 3465305
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708684259415625 4.3787e-05  
a 2.349392648317838 0.0001806 AU
q 1.94795562458109 0.00012918 AU
i 10.53488562401731 0.0018466 deg
node 312.6591109501373 0.0014385 deg
peri 311.1369190212099 0.0094502 deg
M 161.1157550112835 0.052025 deg
tp 2456211.836179053985
(2012-Oct-11.33617905)
0.12234 JED
period 1315.321245434526
3.60
0.15167
0.0004152
d
yr
n .2736973961680907 3.156e-05 deg/d
Q 2.750829672054585 0.00021146 AU
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      68 days  
   first obs. used      2009-07-14  
   last obs. used      2009-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      5  
   fit RMS      .50576  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 10:49:12  

Additional Information
 Earth MOID = .949232 AU 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3 mag n/a MPO162547  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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