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84928 Oliversacks (2003 WE13)
Classification: Main-belt Asteroid          SPK-ID: 2084928
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03474728514343588 6.3436e-08  
a 2.928642337795735 3.7908e-08 au
q 2.826879967401208 1.8472e-07 au
i 1.082449486324833 6.2928e-06 deg
node 247.3446258470984 0.00043647 deg
peri 212.5998615354042 0.00046422 deg
M 151.2631955461233 0.00015208 deg
tp 2456831.318727627371
(2014-Jun-22.81872763)
0.00077546 JED
period 1830.618856453499
5.01
3.5543e-05
9.731e-08
d
yr
n .1966548081436441 3.8182e-09 deg/d
Q 3.030404708190262 3.9225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      5975 days (16.36 yr)  
   first obs. used      1998-12-11  
   last obs. used      2015-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53016  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 04:34:40  

Additional Information
 Earth MOID = 1.84223 au 
 Jupiter MOID = 2.02213 au 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO337899  

84928 Oliversacks           Discovered 2003 Nov. 16 by the Catalina Sky Survey.
Oliver Sacks (b. 1933) is a physician and author. His descriptions of people confronting neurological challenges such as Parkinson's disease and Alzheimer's, together with his books about the the brain, botany, chemistry and music, have inspired generations of doctors, patients and readers around the world.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

Alternate Designations
 2003 WE13 = 2000 ET206 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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