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68853 Vaimaca (2002 HA9)
Classification: Main-belt Asteroid          SPK-ID: 2068853
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | 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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383005323554899 9.2706e-08  
a 2.681329308976514 2.0734e-08 au
q 2.042367107227033 2.4695e-07 au
i 12.20013966146938 9.426e-06 deg
node 324.6523452007074 3.2154e-05 deg
peri 243.2645710525304 3.6496e-05 deg
M 94.1043874585563 1.5615e-05 deg
tp 2457181.290581677171
7.0068e-05 JED
period 1603.701959833507
n .2244806136156212 2.6038e-09 deg/d
Q 3.320291510725994 2.5675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1990-09-17  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52998  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:46:18  

Additional Information
 Earth MOID = 1.07212 au 
 Jupiter MOID = 1.82382 au 
 T_jup = 3.303 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337783  

68853 Vaimaca           Discovered 2002 Apr. 19 at Los Molinos.
Vaimaca was one of the four "last charrás", native Uruguayan Indians sold by the state to a French manager to be exhibited in France in 1833. He had been an Indian chief who served as a soldier in the army of the Uruguayan national hero José Artigas. Vaimaca's mortal remains were repatriated from France to Uruguay in 2002.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2016-May-04 06:02 UT
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