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7549 Woodard (1980 TO5)
Classification: Main-belt Asteroid          SPK-ID: 2007549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09370054604844948 4.013e-08  
a 2.999247629819707 1.5697e-08 au
q 2.718216489171083 1.1916e-07 au
i 9.69043143065721 4.5307e-06 deg
node 225.7038625935159 2.5418e-05 deg
peri 182.0320135211065 3.4271e-05 deg
M 196.2793517193751 2.3525e-05 deg
tp 2459863.315360664623
(2022-Oct-10.81536066)
0.00012616 TDB
period 1897.216588752189
5.19
1.4894e-05
4.078e-08
d
yr
n .1897516615310507 1.4897e-09 deg/d
Q 3.280278770468332 1.7168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      14357 days (39.31 yr)  
   first obs. used      1980-10-08  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:32:25  

Additional Information
 Earth MOID = 1.72804 au 
 Jupiter MOID = 2.09428 au 
 T_jup = 3.225 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO435771  

7549 Woodard           Discovered 1980 Oct. 9 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
Named for Adrian Russell Woodard, youngest grandson of the discoverers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980808/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1980 TO5 = 1990 RF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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