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16266 Johconnell (2000 JX43)
Classification: Main-belt Asteroid          SPK-ID: 2016266
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08304294360011159 7.388e-08  
a 2.846185999314759 3.138e-08 au
q 2.609830335898236 2.084e-07 au
i 16.21975811776524 7.7328e-06 deg
node 57.87704013995501 2.6629e-05 deg
peri 155.8721159524072 5.5517e-05 deg
M 156.323131184021 4.7581e-05 deg
tp 2456838.922528499787
(2014-Jun-30.42252850)
0.00023545 JED
period 1753.853621428108
4.80
2.9005e-05
7.941e-08
d
yr
n .2052622839224537 3.3946e-09 deg/d
Q 3.082541662731282 3.3985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      13389 days (36.66 yr)  
   first obs. used      1978-11-30  
   last obs. used      2015-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61827  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:45:23  

Additional Information
 Earth MOID = 1.60759 au 
 Jupiter MOID = 1.9158 au 
 T_jup = 3.244 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO344433  

16266 Johconnell           Discovered 2000 May 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of John McConnell for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. McConnell is a teacher at the Central High School, Grand Junction, Colorado.
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

[ show close-approach data ]
Alternate Designations
 2000 JX43 = 1978 WW17 = 1999 CR121 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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