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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04156475118814922 4.7618e-08  
a 3.203193239241191 2.2267e-08 au
q 3.070053309244569 1.5488e-07 au
i 25.5033721197343 6.1856e-06 deg
node 229.8454809405144 1.0058e-05 deg
peri 217.8422565835898 6.8033e-05 deg
M 25.86891134694732 6.5169e-05 deg
tp 2458850.030392768686
(2020-Jan-01.53039277)
0.00037944 TDB
period 2093.982923238297
5.73
2.1835e-05
5.978e-08
d
yr
n .1719211728065424 1.7927e-09 deg/d
Q 3.336333169237812 2.3193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      13802 days (37.79 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:57:37  

Additional Information
 Earth MOID = 2.10093 au 
 Jupiter MOID = 1.90009 au 
 T_jup = 3.040 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456824.5 (2014-Jun-16.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0410726765974999 4.7248e-08  
q 3.072249390961879 1.5375e-07 au
tp 2456775.238120240723
(2014-Apr-27.73812024)
0.00039364 TDB
node 229.9826898009092 1.006e-05 deg
peri 220.9172734162181 6.9369e-05 deg
i 25.49699489156771 6.1851e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      13802 days (37.79 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:57:37  

Additional Information
 Jupiter MOID = 1.90009 au 
 T_jup = 3.040 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.2323687626356E-15 -7.191865129954059E-15 -4.296429681337278E-12 3.964274134795863E-15 -7.171687017259385E-13 -3.392855799318619E-15
q -7.191865129954059E-15 2.36381396946975E-14 1.091740932070277E-11 -1.000718596702851E-14 1.80006504555739E-12 1.058944029036573E-14
tp -4.296429681337278E-12 1.091740932070277E-11 1.54951611236005E-7 -5.470255921895068E-12 2.703560732744172E-8 3.454346807740115E-12
node 3.964274134795863E-15 -1.000718596702851E-14 -5.470255921895068E-12 1.012033627649478E-10 -9.172697826516021E-11 -1.542600850480172E-12
peri -7.171687017259385E-13 1.80006504555739E-12 2.703560732744172E-8 -9.172697826516021E-11 4.811993027457081E-9 1.862825075051095E-12
i -3.392855799318619E-15 1.058944029036573E-14 3.454346807740115E-12 -1.542600850480172E-12 1.862825075051095E-12 3.825498391666428E-11

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

[ show close-approach data ]
Alternate Designations
 1999 KS3 = 1990 WU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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