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51829 Williemccool (2001 OD41)
Classification: Main-belt Asteroid          SPK-ID: 2051829
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05385602783634288 6.8936e-08  
a 2.277744132107858 1.558e-08 AU
q 2.15507388072499 1.6265e-07 AU
i 7.566294867952189 5.3763e-06 deg
node 93.35616756550543 5.3006e-05 deg
peri 119.1811907071612 7.3793e-05 deg
M 347.4798277167365 5.0044e-05 deg
tp 2456844.168033604188
(2014-Jul-05.66803360)
0.00017447 JED
period 1255.613081181177
3.44
1.2883e-05
3.527e-08
d
yr
n .286712527446227 2.9417e-09 deg/d
Q 2.400414383490726 1.6419e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      6773 days (18.54 yr)  
   first obs. used      1995-12-14  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59883  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:38:05  

Additional Information
 Earth MOID = 1.15794 AU 
 T_jup = 3.594 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO253692  

51829 Williemccool           Discovered 2001 July 21 at Palomar by the JPL Near-Earth Asteroid Tracking Program.
William C. "Willie" McCool (1961-2003) was the pilot of the space shuttle Columbia (STS-107).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 2001 OD41 = 2000 AQ162 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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