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22920 Kaitduncan (1999 TF94)
Classification: Main-belt Asteroid          SPK-ID: 2022920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09608828396198388 3.7145e-08  
a 2.937758421117976 1.4662e-08 au
q 2.655474255737882 1.1449e-07 au
i 3.072949063302284 3.5031e-06 deg
node 103.1232228061167 9.3649e-05 deg
peri 309.8721946798874 9.798e-05 deg
M 3.210258309495487 2.7266e-05 deg
tp 2458984.099389120872
(2020-May-14.59938912)
0.00013928 TDB
period 1839.172847562562
5.04
1.3769e-05
3.77e-08
d
yr
n .1957401668239636 1.4654e-09 deg/d
Q 3.220042586498069 1.6071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      11077 days (30.33 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:49:13  

Additional Information
 Earth MOID = 1.66796 au 
 Jupiter MOID = 2.08899 au 
 T_jup = 3.265 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO452492  

22920 Kaitduncan           Discovered 1999 Oct. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kaitlin Duncan (b. 1989) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for her behavioral and social sciences project. She attends the Plainedge High School, North Massapequa, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1999 TF94 = 1989 SQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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