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17156 Kennethseitz (1999 KS3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04156475142087671 4.7368e-08  
a 3.203193239050943 2.2145e-08 au
q 3.070053308316758 1.5384e-07 au
i 25.503370831147 6.0532e-06 deg
node 229.8454817886642 9.9931e-06 deg
peri 217.8422546295257 6.7399e-05 deg
M 25.86891260710433 6.4395e-05 deg
tp 2458850.030385452238
(2020-Jan-01.53038545)
0.00037497 TDB
period 2093.982923051744
5.73
2.1715e-05
5.945e-08
d
yr
n .1719211728218588 1.7829e-09 deg/d
Q 3.336333169785129 2.3066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      13879 days (38.00 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:32:49  

Additional Information
 Earth MOID = 2.10093 au 
 Jupiter MOID = 1.90009 au 
 T_jup = 3.040 
[ 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 12.7   n/a MPO502300  
diameter diameter 16.131 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17156 Kennethseitz           Discovered 1999 May 19 by Spacewatch at Kitt Peak.
After 31 years, Kenneth Seitz (b. 1941) is retiring in 2009 as director of Cantilena, a women's chorale in Arlington, Massachusetts. He has delighted audiences as a conductor and pianist, contributing significantly to the treble-voice repertoire through his compositions, arrangements and research.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

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Alternate Designations
 1999 KS3 = 1990 WU12 
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