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340891 Londoncommorch (2007 CO54)
Classification: Main-belt Asteroid          SPK-ID: 2340891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236746838494321 6.146e-08  
a 2.270413631131813 1.8468e-08 au
q 1.989620943094145 1.4566e-07 au
i 3.313642438390046 4.9047e-06 deg
node 293.8726716455045 0.00010883 deg
peri 259.7169275280963 0.00011077 deg
M 351.8828753397261 2.3177e-05 deg
tp 2459228.674461246398
(2021-Jan-14.17446125)
8.0611e-05 TDB
period 1249.556520715176
3.42
1.5246e-05
4.174e-08
d
yr
n .288102213891018 3.5152e-09 deg/d
Q 2.551206319169481 2.0752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      5599 days (15.33 yr)  
   first obs. used      2005-09-26  
   last obs. used      2021-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:19:00  

Additional Information
 Earth MOID = .991426 au 
 Jupiter MOID = 2.41901 au 
 T_jup = 3.601 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.22   n/a E2021B25  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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