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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456564.5 (2013-Sep-29.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09509356928870438 4.016e-08  
q 2.713081016482552 1.1948e-07 au
tp 2456074.389520786026
(2012-May-26.88952079)
0.00011777 TDB
node 225.7273303554032 2.5409e-05 deg
peri 182.8951248040576 3.4022e-05 deg
i 9.693456682599674 4.5323e-06 deg
  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
 Jupiter MOID = 2.09428 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.612818661417385E-15 -4.763924900989069E-15 -2.706170895418469E-13 2.230731337449593E-15 -4.114691362708793E-14 -1.381505086194398E-15
q -4.763924900989069E-15 1.427433682589144E-14 9.411590301259022E-13 -8.863855959723996E-15 1.590786085885125E-13 4.785557395261865E-15
tp -2.706170895418469E-13 9.411590301259022E-13 1.386930618554435E-8 1.135329044703065E-11 2.685610589649341E-9 3.369889951162909E-12
node 2.230731337449593E-15 -8.863855959723996E-15 1.135329044703065E-11 6.456088221353947E-10 -6.340053882727388E-10 -6.75797112636908E-12
peri -4.114691362708793E-14 1.590786085885125E-13 2.685610589649341E-9 -6.340053882727388E-10 1.15752973214715E-9 7.359588155717623E-12
i -1.381505086194398E-15 4.785557395261865E-15 3.369889951162909E-12 -6.75797112636908E-12 7.359588155717623E-12 2.054204545537408E-11

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

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