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16222 Donnanderson (2000 DK55)
Classification: Main-belt Asteroid          SPK-ID: 2016222
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02291678744840775 5.47e-08  
a 2.210786177688623 1.2982e-08 au
q 2.160122060760655 1.2384e-07 au
i 1.712942772043138 5.464e-06 deg
node 109.894164700174 0.00017265 deg
peri 193.4682857864369 0.0002071 deg
M 156.8442095809619 0.00011362 deg
tp 2456877.400232559768
(2014-Aug-07.90023256)
0.00037986 JED
period 1200.655840477657
3.29
1.0575e-05
2.895e-08
d
yr
n .2998361294413736 2.6409e-09 deg/d
Q 2.261450294616591 1.3279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      7870 days (21.55 yr)  
   first obs. used      1994-06-03  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56089  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:33:16  

Additional Information
 Earth MOID = 1.14275 au 
 Jupiter MOID = 2.75712 au 
 T_jup = 3.656 
[ 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 16.0 mag n/a MPO263492  

16222 Donnanderson           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Donna Anderson for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Anderson is a teacher at the William Hall High School, West Hartford, Connecticut.
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 DK55 = 1994 LF7 = 1995 YY4 = 1998 SN102 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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