Orbit Fit and Astrometric record for 21DB17

The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory. Take special note that while the original Bernstein software works with barycentric coordinates, we convert these results into a heliocentric coordinate system.

# Object: 21DB17    
# Created Fri Mar 29 01:19:38 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting    154 observations of    154
# Arc:  12.30y
# First observation: 2011/01/30
#  Last observation: 2023/05/18
# Chi-squared of fit:   159.38 DOF:    302 RMS:  0.18
# Min/Max residuals:    -0.73    0.68
# Exact a, adot, b, bdot, g, gdot:
  2.371675E-05  8.893678E-02 -2.617790E-08  2.292717E-03  6.066942E-02 -3.517898E-02
# Covariance matrix:
  8.8748E-08 -6.2672E-04  2.0806E-09 -1.4255E-05  4.7295E-10  2.2756E-04
 -6.2672E-04  4.4263E+00 -1.4693E-05  1.0068E-01 -3.3398E-06 -1.6072E+00
  2.0806E-09 -1.4693E-05  4.9654E-11 -3.3426E-07  1.1088E-11  5.3350E-06
 -1.4255E-05  1.0068E-01 -3.3426E-07  2.2924E-03 -7.5967E-08 -3.6558E-02
  4.7295E-10 -3.3398E-06  1.1088E-11 -7.5967E-08  2.5204E-12  1.2127E-06
  2.2756E-04 -1.6072E+00  5.3350E-06 -3.6558E-02  1.2127E-06  5.8358E-01
#      lat0       lon0       xBary       yBary       zBary        JD0
    7.829007  108.098347   -0.369038    0.124869   -0.908117  2455591.784361
# Heliocentric elements and errors
Epoch:              2455592.5000  =  2011/01/31
Mean Anomaly:          305.02983 +/-     0.003
Argument of Peri:      177.39306 +/-     0.000
Long of Asc Node:       28.04827 +/-     0.000
Inclination:             7.50273 +/-     0.000
Eccentricity:         0.35812401 +/-    0.0642
Semi-Major Axis:     19.19867396 +/-    0.0000
Time of Perihelion: 2460284.1961 +/-       0.2
Perihelion:          12.32316785 +/-    1.2324
Aphelion:            26.07418006 +/-    1.2324
Period (y)               84.1231 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           -5.70439346 +/-    0.0000
Ecliptic Y           16.27726157 +/-    0.0000
Ecliptic Z            2.24521524 +/-    0.0000
Ecliptic XDOT        -0.00332304 +/-    0.0000
Ecliptic YDOT        -0.00274902 +/-    0.0000
Ecliptic ZDOT        -0.00011374 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   17.39354074 +/-    0.0000
Geocenter to KBO     16.48295925 +/-    0.0000
# Hcoef: 11.02

The following table shows the complete astrometric record for 21DB17. The first three columns show the date of observation. The next six columns are RA and DEC. The next column (when provided) is the observed magnitude and filter. The next column is the object name (21DB17) followed by the observatory code and reference code for the source of the astrometry.

2011 01  30.283595 07 23 14.199  +29 58 12.73  22.7G 21DB17    F51  C~5Xz8      
2011 01  30.298026 07 23 14.030  +29 58 13.07  23.0G 21DB17    F51  C~5Xz8      
2011 01  30.313294 07 23 13.859  +29 58 12.95  23.6G 21DB17    F51  C~5Xz8      
2011 01  30.327592 07 23 13.672  +29 58 13.14  23.4G 21DB17    F51  C~5Xz8      
2012 12  23.561376 08 20 17.435  +27 40 24.37  22.9G 21DB17    F51  C~5Xz8      
2012 12  23.575837 08 20 17.284  +27 40 25.32  22.6G 21DB17    F51  C~5Xz8      
2012 12  23.590287 08 20 17.106  +27 40 25.78  23.0G 21DB17    F51  C~5Xz8      
2013 01  16.501050 08 15 31.126  +27 58 48.21  22.5G 21DB17    F51  C~5Xz8      
2013 01  16.515483 08 15 30.943  +27 58 48.88  22.7G 21DB17    F51  C~5Xz8      
2013 01  16.529942 08 15 30.744  +27 58 49.64  21.4G 21DB17    F51  C~5Xz8      
2013 01  16.544466 08 15 30.564  +27 58 49.87  22.7G 21DB17    F51  C~5Xz8      
2013 02  12.282752 08 09 51.675  +28 13 02.00  23.4G 21DB17    F51  C~5Xz8      
2013 02  12.295938 08 09 51.511  +28 13 02.54  22.9G 21DB17    F51  C~5Xz8      
2013 02  12.309142 08 09 51.347  +28 13 02.69  22.6G 21DB17    F51  C~5Xz8      
2013 02  12.322363 08 09 51.167  +28 13 02.78  23.2G 21DB17    F51  C~5Xz8      
2015 01  17.407717 09 09 53.103  +24 28 34.76  22.2G 21DB17    F51  C~5Xz8      
2015 01  17.443735 09 09 52.711  +24 28 37.03  21.5G 21DB17    F51  C~5Xz8      
2015 01  17.568654 09 09 51.132  +24 28 44.10  22.8G 21DB17    F51  C~5Xz8      
2015 01  17.580946 09 09 51.003  +24 28 44.99  23.0G 21DB17    F51  C~5Xz8      
2015 01  17.593301 09 09 50.813  +24 28 45.65  22.4G 21DB17    F51  C~5Xz8      
2015 01  17.605706 09 09 50.685  +24 28 46.29  22.0G 21DB17    F51  C~5Xz8      
2015 02  17.343067 09 03 15.997  +24 55 01.78  23.0G 21DB17    F51  C~5Xz8      
2015 02  17.355900 09 03 15.866  +24 55 02.06  22.9G 21DB17    F51  C~5Xz8      
2015 02  17.368805 09 03 15.700  +24 55 02.66  22.5G 21DB17    F51  C~5Xz8      
2015 02  18.356238 09 03 03.326  +24 55 41.17  22.8G 21DB17    F51  C~5Xz8      
2015 03  16.238868 08 58 26.252  +25 05 54.57  23.7G 21DB17    F51  C~5Xz8      
2015 03  16.251924 08 58 26.113  +25 05 54.77  22.8G 21DB17    F51  C~5Xz8      
2015 03  16.264938 08 58 26.021  +25 05 54.79  22.9G 21DB17    F51  C~5Xz8      
2015 03  16.277884 08 58 25.909  +25 05 55.06  22.0G 21DB17    F51  C~5Xz8      
2015 03  17.263927 08 58 17.790  +25 06 02.12  21.6G 21DB17    F51  C~5Xz8      
2015 03  17.276885 08 58 17.665  +25 06 02.55  21.9G 21DB17    F51  C~5Xz8      
2016 01  08.422605 09 40 20.305  +21 51 18.51  23.0G 21DB17    F51  C~5Xz8      
2016 01  08.437097 09 40 20.169  +21 51 19.70  22.0G 21DB17    F51  C~5Xz8      
2016 01  08.451633 09 40 20.040  +21 51 20.96  22.8G 21DB17    F51  C~5Xz8      
2016 01  08.466205 09 40 19.903  +21 51 21.33  22.3G 21DB17    F51  C~5Xz8      
2016 02  03.368276 09 35 20.789  +22 18 53.67  21.0G 21DB17    F51  C~5Xz8      
2016 03  03.288795 09 29 12.737  +22 43 17.39  22.4G 21DB17    F51  C~5Xz8      
2016 03  03.301967 09 29 12.598  +22 43 17.90  22.6G 21DB17    F51  C~5Xz8      
2016 03  03.315154 09 29 12.433  +22 43 18.18  22.5G 21DB17    F51  C~5Xz8      
2016 03  03.328426 09 29 12.289  +22 43 18.75  22.5G 21DB17    F51  C~5Xz8      
2017 01  31.564113 10 05 49.099  +19 19 57.37  22.0G 21DB17    F51  C~5Xz8      
2017 01  31.577150 10 05 48.953  +19 19 58.04  22.1G 21DB17    F51  C~5Xz8      
2017 01  31.590254 10 05 48.791  +19 19 58.88  22.9G 21DB17    F51  C~5Xz8      
2017 01  31.603524 10 05 48.648  +19 19 59.74  22.0G 21DB17    F51  C~5Xz8      
2017 02  22.289447 10 01 11.429  +19 43 33.76  22.1G 21DB17    F51  C~5Xz8      
2017 02  22.339554 10 01 10.785  +19 43 36.85  21.9G 21DB17    F51  C~5Xz8      
2017 02  22.353262 10 01 10.578  +19 43 37.48  22.1G 21DB17    F51  C~5Xz8      
2017 02  22.367157 10 01 10.403  +19 43 38.36  21.9G 21DB17    F51  C~5Xz8      
2017 02  24.505357 10 00 42.691  +19 45 41.99  22.0G 21DB17    F51  C~5Xz8      
2017 02  24.518413 10 00 42.525  +19 45 42.53  22.3G 21DB17    F51  C~5Xz8      
2017 02  24.531547 10 00 42.351  +19 45 43.46  22.2G 21DB17    F51  C~5Xz8      
2017 10  30.616371 10 36 11.942  +15 23 28.64  22.6G 21DB17    F51  C~5Xz8      
2017 10  30.621540 10 36 12.017  +15 23 28.35  22.8G 21DB17    F51  C~5Xz8      
2017 10  30.631906 10 36 12.129  +15 23 27.84  22.6G 21DB17    F51  C~5Xz8      
2018 01  15.473779 10 39 22.825  +15 33 01.69  22.1G 21DB17    F51  C~5Xz8      
2018 01  15.486096 10 39 22.723  +15 33 02.29  22.2G 21DB17    F51  C~5Xz8      
2018 01  15.498447 10 39 22.630  +15 33 03.06  22.2G 21DB17    F51  C~5Xz8      
2018 01  15.510922 10 39 22.525  +15 33 03.79  22.3G 21DB17    F51  C~5Xz8      
2018 02  12.408418 10 34 29.908  +16 05 18.79  22.3G 21DB17    F51  C~5Xz8      
2018 02  12.420122 10 34 29.755  +16 05 19.59  21.9G 21DB17    F51  C~5Xz8      
2018 02  12.431829 10 34 29.603  +16 05 20.46  22.2G 21DB17    F51  C~5Xz8      
2018 02  12.443657 10 34 29.462  +16 05 21.43  22.0G 21DB17    F51  C~5Xz8      
2018 03  07.292331 10 29 35.916  +16 30 52.04  22.0G 21DB17    F51  C~5Xz8      
2018 03  07.302718 10 29 35.779  +16 30 52.76  22.1G 21DB17    F51  C~5Xz8      
2018 03  07.313053 10 29 35.656  +16 30 53.27  22.3G 21DB17    F51  C~5Xz8      
2018 03  07.323380 10 29 35.506  +16 30 53.96  22.5G 21DB17    F51  C~5Xz8      
2019 12  27.602900 11 42 54.981  +07 07 46.45  22.4G 21DB17    F51  C~5Xz8      
2019 12  27.615708 11 42 54.994  +07 07 46.62  22.4G 21DB17    F51  C~5Xz8      
2019 12  27.628567 11 42 55.022  +07 07 46.60  22.3G 21DB17    F51  C~5Xz8      
2019 12  27.641543 11 42 55.060  +07 07 46.54  21.8G 21DB17    F51  C~5Xz8      
2019 12  29.590325 11 42 58.620  +07 07 53.19  22.9G 21DB17    F51  C~5Xz8      
2019 12  30.615856 11 43 00.047  +07 07 59.44  22.1G 21DB17    F52  C~5Xz8      
2020 01  25.571291 11 41 54.742  +07 20 39.17  22.1G 21DB17    F51  C~5Xz8      
2020 01  25.581966 11 41 54.682  +07 20 39.72  22.2G 21DB17    F51  C~5Xz8      
2020 01  25.592619 11 41 54.608  +07 20 40.32  22.0G 21DB17    F51  C~5Xz8      
2020 01  25.603294 11 41 54.554  +07 20 40.78  22.3G 21DB17    F51  C~5Xz8      
2020 03  23.458630 11 31 18.694  +08 26 41.62  21.8G 21DB17    F51  C~5Xz8      
2020 03  23.470498 11 31 18.543  +08 26 42.51  22.1G 21DB17    F51  C~5Xz8      
2020 03  23.482307 11 31 18.394  +08 26 43.42  21.9G 21DB17    F51  C~5Xz8      
2020 04  11.295062 11 27 38.215  +08 43 46.10  22.0G 21DB17    F51  C~5Xz8      
2020 04  11.306167 11 27 38.098  +08 43 46.75  21.8G 21DB17    F51  C~5Xz8      
2020 04  11.317348 11 27 37.994  +08 43 47.20  22.4G 21DB17    F51  C~5Xz8      
2020 04  17.402432 11 26 37.963  +08 47 35.53  21.9G 21DB17    F51  C~5Xz8      
2020 04  21.251616 11 26 03.774  +08 49 29.42  22.2G 21DB17    F51  C~5Xz8      
2020 04  21.263254 11 26 03.675  +08 49 29.71  22.2G 21DB17    F51  C~5Xz8      
2020 04  21.274943 11 26 03.569  +08 49 30.08  22.1G 21DB17    F51  C~5Xz8      
2020 04  21.286737 11 26 03.453  +08 49 30.44  22.2G 21DB17    F51  C~5Xz8      
2021 02  16.57613  12 12 24.218  +02 54 48.64  22.3w 21DB17    F51  C~5Xz8      
2021 02  16.60078  12 12 23.989  +02 54 50.36  22.1w 21DB17    F51  C~5Xz8      
2021 02  16.61312  12 12 23.853  +02 54 51.36  22.3w 21DB17    F51  C~5Xz8      
2021 03  15.414219 12 07 15.747  +03 26 13.48  21.9G 21DB17    F51  C~5Xz8      
2021 03  15.427711 12 07 15.576  +03 26 14.36  21.6G 21DB17    F51  C~5Xz8      
2021 03  15.441281 12 07 15.399  +03 26 15.43  21.5G 21DB17    F51  C~5Xz8      
2021 03  19.451517 12 06 23.371  +03 31 10.95  22.1G 21DB17    F52  C~5Xz8      
2021 04  07.360049 12 02 21.007  +03 52 40.14  22.1G 21DB17    F51  C~5Xz8      
2021 04  07.372183 12 02 20.858  +03 52 40.76  22.0G 21DB17    F51  C~5Xz8      
2021 04  07.384308 12 02 20.705  +03 52 41.62  21.9G 21DB17    F51  C~5Xz8      
2021 04  07.396418 12 02 20.563  +03 52 42.32  21.6G 21DB17    F51  C~5Xz8      
2021 04  08.383295 12 02 08.524  +03 53 42.35  21.7G 21DB17    F51  C~5Xz8      
2021 04  08.396604 12 02 08.388  +03 53 42.41  21.7G 21DB17    F51  C~5Xz8      
2021 04  08.409935 12 02 08.211  +03 53 43.55  22.0G 21DB17    F51  C~5Xz8      
2021 04  14.308947 12 00 58.727  +03 59 16.63  22.6G 21DB17    F52  C~5Xz8      
2021 04  14.323825 12 00 58.543  +03 59 17.24  22.1G 21DB17    F52  C~5Xz8      
2021 04  14.338546 12 00 58.347  +03 59 18.21  22.4G 21DB17    F52  C~5Xz8      
2021 04  14.353329 12 00 58.195  +03 59 18.67  22.2G 21DB17    F52  C~5Xz8      
2021 04  15.305397 12 00 47.422  +04 00 08.78  22.5w 21DB17    F51  C~5Xz8      
2021 04  15.317193 12 00 47.257  +04 00 09.42  21.8w 21DB17    F51  C~5Xz8      
2021 04  15.329027 12 00 47.149  +04 00 09.92  22.2w 21DB17    F51  C~5Xz9      
2021 04  15.340887 12 00 47.010  +04 00 10.84  22.0w 21DB17    F51  C~5Xz9      
2022 02  24.500254 12 45 56.865  -02 00 55.47  22.0G 21DB17    F52  C~5Xz9      
2022 02  24.510450 12 45 56.765  -02 00 54.74  22.1G 21DB17    F52  C~5Xz9      
2022 02  24.520735 12 45 56.660  -02 00 54.10  21.9G 21DB17    F52  C~5Xz9      
2022 03  06.459698 12 44 15.458  -01 51 04.86  21.7G 21DB17    F52  C~5Xz9      
2022 03  06.474321 12 44 15.268  -01 51 04.20  22.3G 21DB17    F52  C~5Xz9      
2022 03  24.433267 12 40 35.978  -01 30 31.93  22.3G 21DB17    F52  C~5Xz9      
2022 03  30.253555 12 39 19.68   -01 23 36.7   22.0G 21DB17    V00  C~5Xz9      
2022 03  30.260358 12 39 19.60   -01 23 36.6   21.9G 21DB17    V00  C~5Xz9      
2022 03  30.267132 12 39 19.49   -01 23 36.4   21.9G 21DB17    V00  C~5Xz9      
2022 03  30.273909 12 39 19.41   -01 23 35.5   21.9G 21DB17    V00  C~5Xz9      
2022 03  30.32604  12 39 18.72   -01 23 32.2   21.9R 21DB17    291  C~5Xz9      
2022 03  30.33836  12 39 18.54   -01 23 31.4   21.8R 21DB17    291  C~5Xz9      
2022 03  30.35043  12 39 18.40   -01 23 29.7   22.2R 21DB17    291  C~5Xz9      
2022 03  31.13010  12 39 08.14   -01 22 34.6   20.8G 21DB17    807  C~5Xz9      
2022 03  31.14495  12 39 07.94   -01 22 33.3   21.3G 21DB17    807  C~5Xz9      
2022 03  31.15977  12 39 07.73   -01 22 32.4   21.2G 21DB17    807  C~5Xz9      
2022 04  01.19847  12 38 54.08   -01 21 19.4   22.2R 21DB17    291  C~5Xz9      
2022 04  01.20966  12 38 53.94   -01 21 19.1   22.5R 21DB17    291  C~5Xz9      
2022 04  01.22212  12 38 53.71   -01 21 17.8   21.6R 21DB17    291  C~5Xz9      
2022 04  01.396051 12 38 51.392  -01 21 05.49  21.9G 21DB17    F52  C~5Xz9      
2022 04  01.406396 12 38 51.283  -01 21 05.19  21.9G 21DB17    F52  C~5Xz9      
2022 04  01.416579 12 38 51.146  -01 21 04.16  22.0G 21DB17    F52  C~5Xz9      
2022 04  01.426793 12 38 51.008  -01 21 03.64  22.3G 21DB17    F52  C~5Xz9      
2022 04  02.206307 12 38 40.75   -01 20 08.4   22.3V 21DB17    H21  C~5Xz9      
2022 04  02.212391 12 38 40.67   -01 20 08.0   22.1V 21DB17    H21  C~5Xz9      
2022 04  02.227672 12 38 40.457  -01 20 07.30  21.4G 21DB17    H01  C~5Xz9      
2022 04  02.230869 12 38 40.416  -01 20 07.09  21.5G 21DB17    H01  C~5Xz9      
2022 04  02.242415 12 38 40.266  -01 20 06.35  21.6G 21DB17    H01  C~5Xz9      
2022 04  02.246098 12 38 40.209  -01 20 06.04  21.2G 21DB17    H01  C~5Xz9      
2022 04  03.379597 12 38 25.258  -01 18 46.31  21.6G 21DB17    F52  C~5Xz9      
2022 04  03.392389 12 38 25.100  -01 18 45.41  21.9G 21DB17    F52  C~5Xz9      
2022 04  03.405171 12 38 24.926  -01 18 44.73  21.7G 21DB17    F52  C~5Xz9      
2022 04  03.418077 12 38 24.758  -01 18 43.71  21.3G 21DB17    F52  C~5Xz9      
2023 03  16.517491 13 18 31.878  -06 51 17.06  22.0w 21DB17    F52  C~6VLf      
2023 03  16.540721 13 18 31.612  -06 51 15.83  21.8w 21DB17    F52  C~6VLf      
2023 03  16.552383 13 18 31.472  -06 51 14.96  21.7w 21DB17    F52  C~6VLf      
2023 03  28.423596 13 16 07.101  -06 39 04.13  21.8w 21DB17    F51  C~6c5z      
2023 03  28.435323 13 16 06.968  -06 39 03.37  21.5w 21DB17    F51  C~6c5z      
2023 03  28.447024 13 16 06.813  -06 39 02.64  22.0w 21DB17    F51  C~6c5z      
2023 04  25.353517 13 09 59.593  -06 08 35.61  21.7w 21DB17    F52  C~6hcX      
2023 04  25.366374 13 09 59.424  -06 08 34.72  21.7w 21DB17    F52  C~6hcX      
2023 04  25.379206 13 09 59.271  -06 08 34.00  21.9w 21DB17    F52  C~6hcX      
2023 05  18.301723 13 05 47.467  -05 49 25.30  22.0w 21DB17    F52  C~6oJL      
2023 05  18.313414 13 05 47.345  -05 49 24.82  22.0w 21DB17    F52  C~6oJL      
2023 05  18.325134 13 05 47.250  -05 49 24.50  21.5w 21DB17    F52  C~6oJL      

The following table shows the residuals to the orbit fit. The first coumn is the point number. The second column is the time, in years, measured from the first observation. The third and fifth columns are the regularized positions used in the orbit fit. The fourth and sixth columns are the residuals, in arc seconds, for RA and Dec respectively.

     1   0.0000      0.00    -0.11       0.00     0.14
     2   0.0000      0.00    -0.04       0.00     0.29
     3   0.0001      0.00     0.14       0.00    -0.03
     4   0.0001      0.00    -0.09       0.00    -0.03
     5   1.8981      0.00     0.11       0.00    -0.07
     6   1.8981      0.00     0.16       0.00     0.19
     7   1.8982      0.00    -0.19       0.00    -0.04
     8   1.9636      0.00    -0.02       0.00    -0.04
     9   1.9637      0.00     0.09       0.00     0.04
    10   1.9637      0.00    -0.03       0.00     0.21
    11   1.9638      0.00     0.14       0.00    -0.15
    12   2.0370      0.00     0.21       0.00     0.00
    13   2.0370      0.00     0.11       0.00     0.26
    14   2.0370      0.00     0.01       0.00     0.13
    15   2.0371      0.00    -0.33       0.00    -0.06
    16   3.9647      0.00    -0.28       0.00     0.09
    17   3.9648      0.00     0.52       0.00     0.22
    18   3.9652      0.00     0.03       0.00    -0.07
    19   3.9652      0.00     0.37       0.00     0.11
    20   3.9653      0.00    -0.19       0.00     0.05
    21   3.9653      0.00     0.19       0.00    -0.03
    22   4.0494      0.00    -0.48       0.00     0.12
    23   4.0495      0.00     0.02       0.00    -0.11
    24   4.0495      0.00     0.01       0.00    -0.02
    25   4.0522      0.00    -0.15       0.00     0.03
    26   4.1231      0.00     0.05       0.00    -0.20
    27   4.1231      0.00    -0.34       0.00    -0.11
    28   4.1232      0.00    -0.04       0.00    -0.20
    29   4.1232      0.00    -0.04       0.00    -0.04
    30   4.1259      0.00     0.49       0.00    -0.09
    31   4.1259      0.00     0.25       0.00     0.25
    32   4.9395      0.00    -0.16       0.00    -0.50
    33   4.9395      0.00    -0.08       0.00    -0.22
    34   4.9395      0.00     0.13       0.00     0.12
    35   4.9396      0.00     0.22       0.00    -0.43
    36   5.0105      0.00    -0.73       0.00    -0.31
    37   5.0897      0.00    -0.21       0.00     0.16
    38   5.0897      0.00     0.07       0.00     0.18
    39   5.0898      0.00    -0.04       0.00    -0.02
    40   5.0898      0.00     0.18       0.00     0.06
    41   6.0049      0.00    -0.19       0.00     0.24
    42   6.0049      0.00     0.03       0.00     0.01
    43   6.0049      0.00     0.03       0.00    -0.04
    44   6.0050      0.00     0.33       0.00    -0.09
    45   6.0644      0.00    -0.12       0.00    -0.12
    46   6.0645      0.00     0.14       0.00    -0.02
    47   6.0645      0.00    -0.25       0.00    -0.20
    48   6.0646      0.00    -0.11       0.00    -0.14
    49   6.0704      0.00    -0.00       0.00     0.14
    50   6.0705      0.00     0.08       0.00    -0.05
    51   6.0705      0.00     0.06       0.00     0.15
    52   6.7497      0.00    -0.03       0.00     0.02
    53   6.7497      0.00     0.13       0.00     0.01
    54   6.7498      0.00    -0.10       0.00     0.04
    55   6.9601      0.00    -0.05       0.00     0.18
    56   6.9602      0.00    -0.08       0.00     0.02
    57   6.9602      0.00     0.03       0.00     0.02
    58   6.9602      0.00    -0.02       0.00    -0.02
    59   7.0366      0.00    -0.06       0.00     0.07
    60   7.0367      0.00    -0.13       0.00     0.02
    61   7.0367      0.00    -0.18       0.00     0.04
    62   7.0367      0.00    -0.04       0.00     0.15
    63   7.0993      0.00    -0.10       0.00    -0.07
    64   7.0993      0.00    -0.14       0.00     0.04
    65   7.0993      0.00     0.02       0.00    -0.07
    66   7.0994      0.00    -0.23       0.00     0.01
    67   8.9071      0.00     0.11       0.00    -0.09
    68   8.9071      0.00    -0.06       0.00     0.06
    69   8.9072      0.00     0.01       0.00     0.02
    70   8.9072      0.00     0.22       0.00    -0.07
    71   8.9125      0.00     0.06       0.00     0.02
    72   8.9154      0.00     0.27       0.00    -0.00
    73   8.9864      0.00    -0.19       0.00    -0.06
    74   8.9864      0.00    -0.07       0.00    -0.03
    75   8.9865      0.00    -0.16       0.00     0.04
    76   8.9865      0.00     0.06       0.00    -0.03
    77   9.1449      0.00     0.01       0.00    -0.12
    78   9.1449      0.00     0.05       0.00    -0.00
    79   9.1450      0.00     0.11       0.00     0.15
    80   9.1965      0.00    -0.08       0.00    -0.04
    81   9.1965      0.00    -0.06       0.00     0.14
    82   9.1965      0.00     0.17       0.00     0.11
    83   9.2132      0.00     0.07       0.00     0.24
    84   9.2237      0.00     0.02       0.00    -0.04
    85   9.2238      0.00     0.06       0.00    -0.06
    86   9.2238      0.00     0.01       0.00    -0.01
    87   9.2238      0.00    -0.18       0.00     0.04
    88  10.0487      0.00     0.10       0.00    -0.17
    89  10.0488      0.00     0.25       0.00     0.03
    90  10.0488      0.00    -0.00       0.00     0.27
    91  10.1222      0.00    -0.13       0.00    -0.00
    92  10.1222      0.00    -0.02       0.00    -0.12
    93  10.1223      0.00     0.01       0.00    -0.06
    94  10.1332      0.00    -0.24       0.00    -0.12
    95  10.1850      0.00    -0.06       0.00    -0.05
    96  10.1850      0.00    -0.02       0.00    -0.17
    97  10.1851      0.00    -0.03       0.00    -0.05
    98  10.1851      0.00     0.12       0.00    -0.08
    99  10.1878      0.00    -0.07       0.00     0.42
   100  10.1879      0.00     0.37       0.00    -0.31
   101  10.1879      0.00     0.20       0.00     0.03
   102  10.2040      0.00     0.26       0.00    -0.08
   103  10.2041      0.00     0.11       0.00    -0.26
   104  10.2041      0.00    -0.25       0.00    -0.07
   105  10.2042      0.00     0.06       0.00    -0.39
   106  10.2068      0.00    -0.03       0.00    -0.10
   107  10.2068      0.00    -0.47       0.00    -0.07
   108  10.2068      0.00    -0.04       0.00    -0.19
   109  10.2069      0.00    -0.07       0.00     0.12
   110  11.0697      0.00     0.11       0.00    -0.22
   111  11.0698      0.00     0.06       0.00    -0.04
   112  11.0698      0.00    -0.05       0.00     0.05
   113  11.0970      0.00     0.48       0.00     0.16
   114  11.0970      0.00     0.12       0.00    -0.11
   115  11.1462      0.00    -0.17       0.00    -0.18
   116  11.1621      0.00    -0.08       0.00     0.50
   117  11.1622      0.00     0.09       0.00     0.12
   118  11.1622      0.00    -0.19       0.00    -0.16
   119  11.1622      0.00    -0.03       0.00     0.26
   120  11.1623      0.00     0.15       0.00    -0.14
   121  11.1624      0.00    -0.07       0.00    -0.21
   122  11.1624      0.00     0.27       0.00     0.63
   123  11.1645      0.00     0.17       0.00    -0.29
   124  11.1646      0.00     0.17       0.00    -0.04
   125  11.1646      0.00     0.01       0.00    -0.19
   126  11.1675      0.00     0.53       0.00     0.23
   127  11.1675      0.00     0.68       0.00    -0.25
   128  11.1675      0.00    -0.27       0.00     0.17
   129  11.1680      0.00    -0.45       0.00     0.09
   130  11.1680      0.00     0.01       0.00    -0.34
   131  11.1681      0.00     0.01       0.00    -0.02
   132  11.1681      0.00     0.01       0.00    -0.22
   133  11.1702      0.00     0.24       0.00     0.42
   134  11.1702      0.00     0.27       0.00     0.39
   135  11.1703      0.00    -0.06       0.00    -0.04
   136  11.1703      0.00    -0.03       0.00    -0.05
   137  11.1703      0.00     0.04       0.00    -0.12
   138  11.1703      0.00    -0.07       0.00    -0.07
   139  11.1734      0.00    -0.32       0.00     0.18
   140  11.1735      0.00    -0.11       0.00     0.19
   141  11.1735      0.00    -0.14       0.00    -0.03
   142  11.1735      0.00    -0.05       0.00     0.09
   143  12.1238      0.00     0.02       0.00    -0.01
   144  12.1239      0.00     0.08       0.00    -0.12
   145  12.1239      0.00     0.02       0.00     0.08
   146  12.1564      0.00    -0.30       0.00     0.06
   147  12.1565      0.00     0.01       0.00     0.06
   148  12.1565      0.00    -0.01       0.00     0.03
   149  12.2329      0.00    -0.10       0.00    -0.05
   150  12.2329      0.00    -0.14       0.00     0.06
   151  12.2330      0.00     0.05       0.00    -0.00
   152  12.2957      0.00     0.07       0.00     0.02
   153  12.2958      0.00    -0.15       0.00     0.07
   154  12.2958      0.00     0.04       0.00    -0.04

The following table comes from a 10My integration of the orbit of the object. Three columns are shown. The first column is the result of integrating the nominal orbit. The other two columns are based on clones of the nominal orbit that are +/- 3 sigma from the nominal orbit. If all three types agree then the classificiation is deemed secure. The basis for these calculations is described in more detail in AJ, 129, 1117 (2005). Any use made of these calculations should refer to and credit this publication and the Deep Ecliptic Survey Team.

21DB17    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        19.272    19.272    19.272
ecceobj         0.356     0.356     0.356
incobj          7.489     7.489     7.489
qmin           11.679    12.137    11.985
qmax           26.745    26.125    26.543
amean          19.081    18.861    19.123
amin           18.110    18.431    18.733
amax           19.628    19.271    19.560
emean           0.351     0.348     0.357
emin            0.327     0.334     0.347
emax            0.386     0.358     0.369
imean           8.214     7.443     7.868
imin            7.236     7.239     7.243
imax            9.382     7.637     8.623
excite_mean     0.379     0.371     0.383
fracstop        0.011     0.001     0.003
cjmean          3.054     3.066     3.047

libcent 0      -180.0    -180.0    -180.0
libamp  0      -180.0    -180.0    -180.0
libcent 1      -180.0    -180.0    -180.0
libamp  1      -180.0    -180.0    -180.0
libcent 2      -180.0    -180.0    -180.0
libamp  2      -180.0    -180.0    -180.0
libcent 3      -180.0    -180.0    -180.0
libamp  3      -180.0    -180.0    -180.0
libcent 4      -180.0    -180.0    -180.0
libamp  4      -180.0    -180.0    -180.0

kozaimean       182.2     200.8     227.3
kozaiamp        177.5      25.5      52.3