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340891 Londoncommorch (2007 CO54)
Classification: Main-belt Asteroid          SPK-ID: 2340891
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 2457200.5 (2015-Jun-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238217847720725 1.2861e-07  
a 2.270710141208367 3.5217e-08 AU
q 1.989546758823902 2.8833e-07 AU
i 3.313083301181029 7.0179e-06 deg
node 293.934297446187 0.00023499 deg
peri 259.8298032284771 0.00023687 deg
M 135.536988609667 2.837e-05 deg
tp 2456729.960260615541
9.9529e-05 JED
period 1249.801311922637
n .2880457850105729 6.7011e-09 deg/d
Q 2.551873523592831 3.9578e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      3665 days (10.03 yr)  
   first obs. used      2005-09-26  
   last obs. used      2015-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67858  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 23:41:36  

Additional Information
 Earth MOID = .992258 AU 
 T_jup = 3.600 
[ 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 17.2 mag n/a MPO245775  

340891 Londoncommorch           Discovered 2007 Feb. 14 by Q.-Z. Ye and C.-S. Lin at Lulin.
The London Community Orchestra, founded in 1974, is a community orchestra in London, Ontario. The minor planet is named in recognition of the orchestra's 40th anniversary.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
FirstGov 2015-Nov-29 08:44 UT
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