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208996 (2003 AZ84)
Classification: TransNeptunian Object          SPK-ID: 2208996
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175004983176668 4.8978e-05  
a 39.67720961425341 0.0025801 AU
q 32.73350021321387 0.0039128 AU
i 13.55364896948906 0.00011993 deg
node 251.9826435352414 0.00045366 deg
peri 13.82712555907433 0.015681 deg
M 227.6810749664907 0.020256 deg
tp 2490553.362172794960
(2106-Oct-20.86217279)
4.5345 JED
period 91287.24692365219
249.93
8.9042
0.02438
d
yr
n .003943595760983841 3.8466e-07 deg/d
Q 46.62091901529296 0.0030316 AU
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      1996-03-19  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .5924  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 23:23:51  

Additional Information
 Earth MOID = 31.7208 AU 
 T_jup = 5.417 
[ 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 3.8 mag n/a MPO281126  
rotation period rot_per 13.42 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]

208996 (2003 AZ84)          Discovered 2003-Jan-13 by Trujillo, C. A., Brown, M. E. at Palomar
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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