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16268 Mcneeley (2000 JD44)
Classification: Main-belt Asteroid          SPK-ID: 2016268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681622278472183 2.5633e-08  
a 2.442512593304802 8.9039e-09 au
q 2.03177423406978 6.2362e-08 au
i 1.595961692258721 4.6196e-06 deg
node 227.2810066423866 0.00010799 deg
peri 76.11440037797709 0.00010903 deg
M 95.2293346485154 1.5501e-05 deg
tp 2458831.673690142284
(2019-Dec-14.17369014)
5.9673e-05 TDB
period 1394.291706844849
3.82
7.6241e-06
2.087e-08
d
yr
n .2581956116017115 1.4118e-09 deg/d
Q 2.853250952539825 1.0401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      10527 days (28.82 yr)  
   first obs. used      1992-04-07  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:25:12  

Additional Information
 Earth MOID = 1.01522 au 
 Jupiter MOID = 2.37192 au 
 T_jup = 3.481 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.66   n/a E2021B10  

16268 Mcneeley           Discovered 2000 May 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Pam McNeeley for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. McNeeley is a teacher at the Naperville Central High School, Naperville, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 2000 JD44 = 1993 SQ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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