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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679020753508059 6.8232e-08  
a 2.442786454202876 1.9628e-08 AU
q 2.032637538903377 1.6751e-07 AU
i 1.595556101880016 6.2528e-06 deg
node 227.3076271737832 0.00026939 deg
peri 76.3591332122581 0.0002701 deg
M 246.9500391583518 2.2648e-05 deg
tp 2457438.419815363818
(2016-Feb-19.91981536)
8.8839e-05 JED
period 1394.526210865303
3.82
1.6808e-05
4.602e-08
d
yr
n .2581521933364164 3.1115e-09 deg/d
Q 2.852935369502375 2.2924e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1992-04-07  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56532  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:55:01  

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 15.5 mag n/a MPO247505  

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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