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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09316928357165594 3.9701e-08  
a 3.001106552770106 1.4889e-08 au
q 2.721495605326313 1.1863e-07 au
i 9.685707119106011 4.4357e-06 deg
node 225.6840076442248 2.1704e-05 deg
peri 181.7996043283281 2.9795e-05 deg
M 234.471595682159 2.2109e-05 deg
tp 2459862.655601005273
(2022-Oct-10.15560101)
0.00011905 TDB
period 1898.980694109075
5.20
1.4131e-05
3.869e-08
d
yr
n .1895753870046043 1.4107e-09 deg/d
Q 3.280717500213899 1.6276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1792  
   data-arc span      14579 days (39.92 yr)  
   first obs. used      1980-10-08  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:27:21  

Additional Information
 Earth MOID = 1.73036 au 
 Jupiter MOID = 2.09506 au 
 T_jup = 3.225 
[ show covariance matrix ]

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 13.09   n/a E2021B10  
rotation period rot_per 15.5899 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1960-Oct-27 00:05 < 00:01 Europ 0.0170404499593365 0.0170364445199227 0.017044459456283 4.54893297864116 4.54893284152738 2437234.503294419 0.920371683659236 467.142429785946 38.3360302067257 65.0992600797024 60324.1428359001 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:27:26 2020-Nov-13 03:27

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