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

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681134327065057 5.7898e-08  
a 2.442627091535059 1.8192e-08 au
q 2.031988666355192 1.4597e-07 au
i 1.595779640073364 6.2349e-06 deg
node 227.2966197190081 0.00023301 deg
peri 76.413762428922 0.00023388 deg
M 350.1967253631182 2.1903e-05 deg
tp 2457438.471071273114
(2016-Feb-19.97107127)
8.4898e-05 JED
period 1394.389748798185
3.82
1.5578e-05
4.265e-08
d
yr
n .2581774574219881 2.8843e-09 deg/d
Q 2.853265516714926 2.125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1992-04-07  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53156  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:25:55  

Additional Information
 Earth MOID = 1.01558 au 
 Jupiter MOID = 2.36387 au 
 T_jup = 3.481 
[ 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 15.6 mag n/a MPO337397  

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 | Physical Parameters | Discovery Circumstances ]
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