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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05395803786872697 6.8923e-08  
a 2.278015448607304 1.5558e-08 AU
q 2.155098204765806 1.6263e-07 AU
i 7.56618315474663 5.3728e-06 deg
node 93.35654534602681 5.3003e-05 deg
peri 119.2460714161894 7.3721e-05 deg
M 44.7549100721879 4.9841e-05 deg
tp 2456844.375301615452
(2014-Jul-05.87530162)
0.00017414 JED
period 1255.83743387666
3.44
1.2865e-05
3.522e-08
d
yr
n .2866613068609618 2.9367e-09 deg/d
Q 2.400932692448802 1.6398e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      586  
   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      .59689  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:16:47  

Additional Information
 Earth MOID = 1.15926 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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