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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09370054289175576 3.9832e-08  
a 2.999247627349353 1.5211e-08 au
q 2.718216496399909 1.1863e-07 au
i 9.690431449554872 4.4913e-06 deg
node 225.7038583335048 2.2872e-05 deg
peri 182.0320237171516 3.1079e-05 deg
M 196.2793470740925 2.2324e-05 deg
tp 2459863.315384079479
(2022-Oct-10.81538408)
0.00012048 TDB
period 1897.216586408203
5.19
1.4433e-05
3.952e-08
d
yr
n .1897516617654864 1.4436e-09 deg/d
Q 3.280278758298798 1.6637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1710  
   data-arc span      14496 days (39.69 yr)  
   first obs. used      1980-10-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:41:38  

Additional Information
 Earth MOID = 1.72804 au 
 Jupiter MOID = 2.09428 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456845.5 (2014-Jul-07.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09495235695795246 3.9873e-08  
q 2.713316651133777 1.1879e-07 au
tp 2456073.816593930142
(2012-May-26.31659393)
0.00010924 TDB
node 225.7249969576452 2.2864e-05 deg
peri 182.8010784229843 3.0873e-05 deg
i 9.693616804074059 4.4929e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1710  
   data-arc span      14496 days (39.69 yr)  
   first obs. used      1980-10-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:41:38  

Additional Information
 Jupiter MOID = 2.09428 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.589838095683591E-15 -4.704666417685028E-15 -6.53281192687439E-14 1.168310237884519E-15 3.535204791917688E-15 -1.250777448377965E-15
q -4.704666417685028E-15 1.411183787751976E-14 5.046808819236774E-13 -4.658615122524286E-15 6.241880180981113E-14 4.523053692768982E-15
tp -6.53281192687439E-14 5.046808819236774E-13 1.193380436171219E-8 7.706957798336351E-12 2.279941920275878E-9 3.41087511762112E-12
node 1.168310237884519E-15 -4.658615122524286E-15 7.706957798336351E-12 5.227488654450839E-10 -5.136385033935652E-10 -7.272220713579768E-13
peri 3.535204791917688E-15 6.241880180981113E-14 2.279941920275878E-9 -5.136385033935652E-10 9.531165329874885E-10 1.429124379661348E-12
i -1.250777448377965E-15 4.523053692768982E-15 3.41087511762112E-12 -7.272220713579768E-13 1.429124379661348E-12 2.018613454580906E-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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