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111660 Jimgray (2002 AP205)
Classification: Outer Main-belt Asteroid          SPK-ID: 2111660
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03345609460714268 8.8237e-08  
a 3.253281659364949 5.2048e-08 AU
q 3.144439560385553 2.6828e-07 AU
i 9.12361034141019 9.3359e-06 deg
node 94.99805392468879 5.6743e-05 deg
peri 318.6235605431649 0.00021295 deg
M 57.80459221905856 0.00019882 deg
tp 2456656.355553922429
0.0011835 JED
period 2143.289933063098
n .1679660760994214 4.0308e-09 deg/d
Q 3.362123758344345 5.3789e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      4897 days (13.41 yr)  
   first obs. used      2001-09-21  
   last obs. used      2015-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63197  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:46:31  

Additional Information
 Earth MOID = 2.16336 AU 
 T_jup = 3.160 
[ 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 14.9 mag n/a MPO280521  

111660 Jimgray           Discovered 2002 Jan. 13 by SDSS at the Apache Point Observatory.
James (Jim) N. Gray (1944-2007) was an American computer scientist who received the Turing Award in 1998 "for seminal contributions to database and transaction processing research and technical leadership in system implementation". He also provided fundamental contributions to the SDSS project.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

Alternate Designations
 2002 AP205 = 2004 FB82 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
FirstGov 2015-Mar-31 12:37 UT
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