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(2008 SY148)
Classification: Apollo [NEO, PHA]          SPK-ID: 3428344
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.

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 2454741.5 (2008-Oct-02.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930847101442787 0.0017435  
a 1.249765367112567 0.002757 AU
q 1.008454783455279 4.5756e-05 AU
i 28.75309611731132 0.094667 deg
node 187.2845024607104 0.0087447 deg
peri 164.3158824202605 0.05543 deg
M 13.43135025575193 0.088277 deg
tp 2454722.460377691765
(2008-Sep-12.96037769)
0.062135 JED
period 510.3183150204341
1.40
1.6887
0.004623
d
yr
n .7054420533301552 0.0023343 deg/d
Q 1.491075950769855 0.0032893 AU
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      5 days  
   first obs. used      2008-09-29  
   last obs. used      2008-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      8  
   fit RMS      .5291  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 09:40:33  

Additional Information
 Earth MOID = .0130505 AU 
 T_jup = 5.007 
[ 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 21.8 mag n/a MPO147508  

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