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13111 Papacosmas (1993 OW1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2013111
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09642956771094857 6.7771e-08  
a 1.94160096877808 9.5296e-09 au
q 1.754373226691651 1.3022e-07 au
i 27.35309448124002 7.0947e-06 deg
node 127.9915303615282 1.3101e-05 deg
peri 212.7050332221592 3.4967e-05 deg
M 158.7468989388888 3.383e-05 deg
tp 2457164.746236797829
9.2689e-05 JED
period 988.1853176430916
n .3643041376678531 2.6821e-09 deg/d
Q 2.12882871086451 1.0449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      8794 days (24.08 yr)  
   first obs. used      1992-01-30  
   last obs. used      2016-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48209  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:15:35  

Additional Information
 Earth MOID = .759222 au 
 Jupiter MOID = 3.18958 au 
 T_jup = 3.760 
[ 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 14.3 mag n/a MPO365407  

13111 Papacosmas           Discovered 1993 July 23 by C. S. Shoemaker and D. H. Levy at Palomar.
Constantine Papacosmas (b. 1939) an accomplished amateur astronomer in Montreal has guided thousands of people to learn the night sky. The telescopes he has constructed are among the finest in Canada, including a refractor that won an award at Stellafane in 1979.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1993 OW1 = 1992 BV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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