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12971 (4054 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2012971
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

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 two-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.

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052946230892851 3.3497e-08  
a 3.080555140724399 1.9709e-08 au
q 2.756189248276064 1.0513e-07 au
i 10.5928063071648 4.7793e-06 deg
node 41.84667895303228 2.089e-05 deg
peri 266.115513671237 3.1533e-05 deg
M 14.79331027074599 2.2939e-05 deg
tp 2458919.346963850793
(2020-Mar-10.84696385)		 0.00012583 TDB
period 1974.885436661716
5.41		 1.8952e-05
5.189e-08		 d
yr
n .1822890550089491 1.7493e-09 deg/d
Q 3.404921033172734 2.1784e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1648  
   data-arc span      20599 days (56.40 yr)  
   first obs. used      1964-03-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:38:54  

Additional Information
 Earth MOID = 1.76827 au 
 Jupiter MOID = 1.87475 au 
 T_jup = 3.193 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO350906  

12971 (4054 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4054 T-3 = 1964 EL = 1997 JG1 
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