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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679020959994572 5.788e-08  
a 2.442786458238791 1.8329e-08 AU
q 2.032637491821407 1.4583e-07 AU
i 1.595555733861072 6.2342e-06 deg
node 227.3075655199821 0.00023305 deg
peri 76.35919590112456 0.00023391 deg
M 246.9500356810597 2.1786e-05 deg
tp 2457438.419829919030
(2016-Feb-19.91982992)
8.4993e-05 JED
period 1394.526214321309
3.82
1.5695e-05
4.297e-08
d
yr
n .2581521926966469 2.9054e-09 deg/d
Q 2.852935424656174 2.1406e-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 = 1.01918 AU 
 T_jup = 3.480 
[ 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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