Orbit Fit and Astrometric record for 16FD14

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: 16FD14    
# Created Fri Dec  3 02:13:45 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     93 observations of     93
# Arc:   5.28y
# First observation: 2014/01/25
#  Last observation: 2019/05/09
# Chi-squared of fit:   106.55 DOF:    180 RMS:  0.19
# Min/Max residuals:    -0.95    0.39
# Exact a, adot, b, bdot, g, gdot:
  3.527227E-05  2.259823E-01  7.140646E-06  4.532036E-02  9.914712E-02 -2.155379E-02
# Covariance matrix:
  1.7106E-13 -8.4693E-14  2.4884E-14 -1.6105E-14  1.1889E-14 -3.1637E-14
 -8.4693E-14  5.3246E-14 -1.5982E-14  1.0355E-14  7.7731E-15  2.0222E-14
  2.4884E-14 -1.5982E-14  5.5750E-14 -1.6111E-14 -1.9793E-16 -6.7629E-15
 -1.6105E-14  1.0355E-14 -1.6111E-14  6.1667E-15  1.5532E-16  4.3794E-15
  1.1889E-14  7.7731E-15 -1.9793E-16  1.5532E-16  3.6265E-14  2.3599E-17
 -3.1637E-14  2.0222E-14 -6.7629E-15  4.3794E-15  2.3599E-17  8.5776E-15
#      lat0       lon0       xBary       yBary       zBary        JD0
  -18.371560  162.069074    0.588515   -0.247695   -0.746203  2456682.995428
# Heliocentric elements and errors
Epoch:              2456682.5000  =  2014/01/25
Mean Anomaly:          353.29504 +/-     0.001
Argument of Peri:      324.88342 +/-     0.001
Long of Asc Node:      216.28572 +/-     0.000
Inclination:            19.96735 +/-     0.000
Eccentricity:         0.51517076 +/-    0.0000
Semi-Major Axis:     21.72952362 +/-    0.0001
Time of Perihelion: 2457371.5768 +/-       0.2
Perihelion:          10.53510851 +/-    0.0001
Aphelion:            32.92393874 +/-    0.0002
Period (y)              101.2940 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           -9.67516615 +/-    0.0000
Ecliptic Y            3.75079781 +/-    0.0000
Ecliptic Z           -3.17884396 +/-    0.0000
Ecliptic XDOT        -0.00176502 +/-    0.0000
Ecliptic YDOT        -0.00599225 +/-    0.0000
Ecliptic ZDOT         0.00137542 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   10.85281053 +/-    0.0000
Geocenter to KBO     10.08608402 +/-    0.0000
# Hcoef: 12.09

The following table shows the complete astrometric record for 16FD14. 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 (16FD14) followed by the observatory code and reference code for the source of the astrometry.

2014 01  25.49465  10 25 49.354  -09 57 33.38  21.9G 16FD14    F51  C~36rw      
2014 01  25.50616  10 25 49.232  -09 57 32.90  21.6G 16FD14    F51  C~36rw      
2014 12  18.63839  11 20 26.921  -11 48 37.45  22.1G 16FD14    F51  C~36rw      
2015 01  16.61123  11 20 45.587  -12 18 16.25  22.7G 16FD14    F51  C~36rw      
2015 01  18.57563  11 20 36.385  -12 18 55.11  21.8G 16FD14    F51  C~36rw      
2015 01  18.58685  11 20 36.336  -12 18 55.33  22.3G 16FD14    F51  C~36rw      
2015 01  18.59809  11 20 36.277  -12 18 55.26  21.9G 16FD14    F51  C~36rw      
2015 02  23.46074  11 14 46.584  -11 57 39.88  22.2G 16FD14    F51  C~36rw      
2015 02  23.47223  11 14 46.437  -11 57 38.84  22.2G 16FD14    F51  C~36rw      
2015 02  23.48374  11 14 46.279  -11 57 37.96  22.2G 16FD14    F51  C~36rw      
2015 02  23.49522  11 14 46.120  -11 57 37.00  22.0G 16FD14    F51  C~36rw      
2015 04  10.34494  11 04 57.865  -10 21 12.66  22.2G 16FD14    F51  C~36rw      
2015 04  10.35557  11 04 57.748  -10 21 11.11  22.1G 16FD14    F51  C~36rw      
2015 04  10.36619  11 04 57.660  -10 21 09.83  21.8G 16FD14    F51  C~36rw      
2015 04  10.37683  11 04 57.515  -10 21 08.19  21.4G 16FD14    F51  C~36rw      
2015 04  16.29902  11 04 04.358  -10 06 45.72  22.4G 16FD14    F51  C~36rw      
2015 04  16.30988  11 04 04.264  -10 06 44.14  22.4G 16FD14    F51  C~36rw      
2015 04  16.32072  11 04 04.149  -10 06 42.61  21.6G 16FD14    F51  C~36rx      
2015 04  23.33203  11 03 13.571  -09 50 03.20  21.4G 16FD14    F51  C~36rx      
2015 05  17.25866  11 02 17.154  -09 00 08.39  22.3G 16FD14    F51  C~36rx      
2015 05  17.27026  11 02 17.176  -09 00 06.95  22.0G 16FD14    F51  C~36rx      
2015 05  17.28187  11 02 17.152  -09 00 05.87  22.8G 16FD14    F51  C~36rx      
2015 05  17.29346  11 02 17.163  -09 00 04.38  20.7G 16FD14    F51  C~36rx      
2016 01  10.66658  12 15 16.919  -13 58 47.56  22.0G 16FD14    F51  C~36rx      
2016 01  16.60777  12 15 28.603  -14 02 57.81        16FD14    F51  C~36rx      
2016 01  16.63249  12 15 28.620  -14 02 58.11        16FD14    F51  C~36rx      
2016 01  16.64482  12 15 28.624  -14 02 59.01        16FD14    F51  C~36rx      
2016 02  04.53929  12 14 43.101  -14 05 50.99  22.7G 16FD14    F51  C~36rx      
2016 02  04.55160  12 14 43.007  -14 05 50.92  22.3G 16FD14    F51  C~36rx      
2016 02  04.56393  12 14 42.939  -14 05 50.72  22.5G 16FD14    F51  C~36rx      
2016 02  04.57627  12 14 42.840  -14 05 50.67  23.0G 16FD14    F51  C~36rx      
2016 03  02.48045  12 10 33.855  -13 41 41.44  21.4G 16FD14    F51  C~36rx      
2016 03  02.49208  12 10 33.719  -13 41 40.69  22.4G 16FD14    F51  C~36rx      
2016 03  02.50369  12 10 33.564  -13 41 39.86  22.3G 16FD14    F51  C~36rx      
2016 03  12.44056  12 08 25.478  -13 25 07.30  21.8G 16FD14    F51  C~36rx      
2016 03  12.45460  12 08 25.288  -13 25 06.02  22.4G 16FD14    F51  C~36rx      
2016 03  12.46776  12 08 25.113  -13 25 04.18  21.9G 16FD14    F51  C~36rx      
2016 03  12.48093  12 08 24.932  -13 25 02.67  22.6G 16FD14    F51  C~36rx      
2016 03  28.24798  12 04 48.74   -12 52 30.8   22.7V 16FD14    W84  C~1pSy      
2016 03  28.25116  12 04 48.70   -12 52 30.3         16FD14    W84  C~1pSy      
2016 03  28.25434  12 04 48.65   -12 52 30.0         16FD14    W84  C~1pSy      
2016 03  28.25752  12 04 48.60   -12 52 29.4         16FD14    W84  C~1pSy      
2016 03  30.22247  12 04 21.88   -12 48 02.3   22.7V 16FD14    W84  C~1pSy      
2016 03  30.22561  12 04 21.84   -12 48 01.9         16FD14    W84  C~1pSy      
2016 03  30.22880  12 04 21.79   -12 48 01.5         16FD14    W84  C~1pSy      
2016 03  30.23517  12 04 21.71   -12 48 00.6         16FD14    W84  C~1pSy      
2016 03  31.39899  12 04 05.991  -12 45 21.31  21.8G 16FD14    F51  C~36rx      
2016 03  31.40028  12 04 05.973  -12 45 21.15  22.0G 16FD14    F51  C~36rx      
2016 03  31.41170  12 04 05.828  -12 45 20.17  21.4G 16FD14    F51  C~36rx      
2016 03  31.41300  12 04 05.796  -12 45 19.42  21.8G 16FD14    F51  C~36rx      
2016 03  31.42432  12 04 05.638  -12 45 17.85  22.2G 16FD14    F51  C~36rx      
2016 03  31.43692  12 04 05.464  -12 45 16.13  21.7G 16FD14    F51  C~36rx      
2016 03  31.43820  12 04 05.459  -12 45 15.97  22.0G 16FD14    F51  C~36rx      
2016 04  01.25862  12 03 54.42   -12 43 21.4   22.9V 16FD14    W84  C~1pSy      
2016 04  01.26100  12 03 54.40   -12 43 21.1   22.8V 16FD14    W84  C~1pSy      
2016 04  01.26180  12 03 54.38   -12 43 21.0         16FD14    W84  C~1pSy      
2016 04  01.26418  12 03 54.35   -12 43 20.6         16FD14    W84  C~1pSy      
2016 04  01.26735  12 03 54.31   -12 43 20.2         16FD14    W84  C~1pSy      
2016 04  01.26814  12 03 54.29   -12 43 20.0         16FD14    W84  C~1pSy      
2016 04  01.27132  12 03 54.24   -12 43 19.5         16FD14    W84  C~1pSy      
2016 04  01.27370  12 03 54.22   -12 43 19.3         16FD14    W84  C~1pSy      
2016 04  29.30725  11 58 37.801  -11 36 26.81  22.6G 16FD14    F51  C~36rx      
2016 04  29.31888  11 58 37.704  -11 36 25.29  22.2G 16FD14    F51  C~36rx      
2016 04  29.33051  11 58 37.607  -11 36 23.58  22.4G 16FD14    F51  C~36rx      
2016 04  29.34212  11 58 37.520  -11 36 21.77  22.7G 16FD14    F51  C~36rx      
2017 02  21.58052  13 08 57.895  -15 00 02.44  22.1G 16FD14    F51  C~36rx      
2017 02  21.59314  13 08 57.824  -15 00 01.38  22.2G 16FD14    F51  C~36rx      
2017 02  21.60578  13 08 57.739  -15 00 00.98  22.9G 16FD14    F51  C~36rx      
2017 02  21.61842  13 08 57.650  -14 59 59.94  22.1G 16FD14    F51  C~36rx      
2017 03  21.43731  13 04 14.940  -14 21 47.74  22.6G 16FD14    F51  C~36rx      
2017 03  21.44953  13 04 14.801  -14 21 46.52  22.5G 16FD14    F51  C~36rx      
2017 03  21.46154  13 04 14.637  -14 21 45.32  22.6G 16FD14    F51  C~36rx      
2017 03  21.47349  13 04 14.472  -14 21 43.99  22.3G 16FD14    F51  C~36rx      
2017 03  28.49634  13 02 41.690  -14 08 14.69  22.1G 16FD14    F51  C~36rx      
2017 03  28.50803  13 02 41.507  -14 08 13.61  22.3G 16FD14    F51  C~36rx      
2017 03  28.51968  13 02 41.339  -14 08 11.88  22.0G 16FD14    F51  C~36rx      
2018 03  17.51611  14 00 08.699  -14 51 54.10  22.3G 16FD14    F51  C~36rx      
2018 03  17.52680  14 00 08.619  -14 51 53.28  22.9G 16FD14    F51  C~36rx      
2018 03  17.53751  14 00 08.528  -14 51 52.21  23.0G 16FD14    F51  C~36rx      
2018 03  17.54827  14 00 08.390  -14 51 51.18  22.4G 16FD14    F51  C~36rx      
2018 04  12.45833  13 54 57.329  -14 06 31.44  22.3G 16FD14    F51  C~36rx      
2018 04  12.47123  13 54 57.107  -14 06 29.98  22.3G 16FD14    F51  C~36rx      
2019 04  02.48487  14 48 16.466  -14 09 16.64  21.8G 16FD14    F51  C~36rx      
2019 04  02.49718  14 48 16.317  -14 09 15.82  22.5G 16FD14    F51  C~36rx      
2019 04  02.50951  14 48 16.169  -14 09 14.63  23.3G 16FD14    F51  C~36rx      
2019 04  02.52183  14 48 16.033  -14 09 13.53  22.7G 16FD14    F51  C~36rx      
2019 04  10.47436  14 46 46.410  -13 56 11.25  21.6G 16FD14    F51  C~36rx      
2019 05  07.43212  14 40 46.858  -13 08 47.89  22.6G 16FD14    F51  C~36rx      
2019 05  07.44470  14 40 46.688  -13 08 46.85  21.9G 16FD14    F51  C~36rx      
2019 05  09.34712  14 40 20.560  -13 05 27.24  22.7G 16FD14    F51  C~36rx      
2019 05  09.35958  14 40 20.368  -13 05 25.52  22.6G 16FD14    F51  C~36rx      
2019 05  09.37203  14 40 20.196  -13 05 24.72  22.1G 16FD14    F51  C~36rx      
2019 05  09.38450  14 40 20.021  -13 05 23.23  22.4G 16FD14    F51  C~36rx      

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     0.16       0.00    -0.04
     2   0.0000      0.00     0.27       0.00     0.19
     3   0.8957      0.00    -0.13       0.00    -0.05
     4   0.9750      0.00     0.10       0.00    -0.06
     5   0.9804      0.00    -0.31       0.00    -0.02
     6   0.9804      0.00    -0.14       0.00    -0.05
     7   0.9804      0.00    -0.13       0.00     0.21
     8   1.0786      0.00    -0.08       0.00     0.09
     9   1.0787      0.00     0.06       0.00     0.15
    10   1.0787      0.00     0.04       0.00     0.04
    11   1.0787      0.00    -0.01       0.00     0.01
    12   1.2042      0.00     0.07       0.00     0.01
    13   1.2043      0.00    -0.07       0.00     0.01
    14   1.2043      0.00     0.21       0.00    -0.27
    15   1.2043      0.00    -0.35       0.00    -0.18
    16   1.2205      0.00    -0.03       0.00     0.08
    17   1.2206      0.00    -0.04       0.00     0.09
    18   1.2206      0.00    -0.37       0.00     0.05
    19   1.2398      0.00     0.24       0.00    -0.25
    20   1.3053      0.00     0.03       0.00    -0.04
    21   1.3053      0.00     0.13       0.00     0.17
    22   1.3054      0.00    -0.45       0.00     0.01
    23   1.3054      0.00    -0.52       0.00     0.27
    24   1.9580      0.00    -0.13       0.00    -0.95
    25   1.9743      0.00    -0.10       0.00    -0.16
    26   1.9744      0.00    -0.04       0.00     0.39
    27   1.9744      0.00    -0.08       0.00    -0.08
    28   2.0261      0.00     0.22       0.00     0.08
    29   2.0262      0.00    -0.09       0.00    -0.05
    30   2.0262      0.00    -0.01       0.00    -0.06
    31   2.0262      0.00    -0.40       0.00    -0.22
    32   2.0999      0.00    -0.03       0.00     0.28
    33   2.0999      0.00     0.12       0.00    -0.00
    34   2.1000      0.00    -0.01       0.00    -0.20
    35   2.1272      0.00    -0.13       0.00     0.13
    36   2.1272      0.00    -0.07       0.00    -0.14
    37   2.1272      0.00     0.03       0.00     0.25
    38   2.1273      0.00     0.04       0.00     0.30
    39   2.1704      0.00     0.17       0.00     0.03
    40   2.1704      0.00     0.24       0.00     0.10
    41   2.1705      0.00     0.15       0.00    -0.03
    42   2.1705      0.00     0.07       0.00     0.14
    43   2.1758      0.00     0.17       0.00     0.10
    44   2.1759      0.00     0.22       0.00     0.07
    45   2.1759      0.00     0.14       0.00     0.03
    46   2.1759      0.00     0.26       0.00     0.05
    47   2.1791      0.00    -0.05       0.00     0.02
    48   2.1791      0.00    -0.05       0.00    -0.00
    49   2.1791      0.00     0.14       0.00    -0.60
    50   2.1791      0.00    -0.07       0.00    -0.03
    51   2.1791      0.00    -0.09       0.00    -0.02
    52   2.1792      0.00    -0.08       0.00    -0.05
    53   2.1792      0.00     0.11       0.00    -0.06
    54   2.1814      0.00     0.13       0.00     0.03
    55   2.1814      0.00     0.32       0.00     0.00
    56   2.1814      0.00     0.18       0.00    -0.01
    57   2.1814      0.00     0.22       0.00     0.06
    58   2.1814      0.00     0.27       0.00     0.02
    59   2.1814      0.00     0.13       0.00     0.11
    60   2.1815      0.00     0.04       0.00     0.16
    61   2.1815      0.00     0.22       0.00     0.03
    62   2.2582      0.00    -0.20       0.00     0.01
    63   2.2582      0.00    -0.14       0.00    -0.09
    64   2.2583      0.00    -0.07       0.00     0.00
    65   2.2583      0.00     0.13       0.00     0.19
    66   3.0748      0.00    -0.36       0.00    -0.42
    67   3.0749      0.00    -0.10       0.00    -0.01
    68   3.0749      0.00    -0.04       0.00    -0.26
    69   3.0749      0.00    -0.05       0.00     0.12
    70   3.1511      0.00    -0.33       0.00     0.09
    71   3.1511      0.00     0.01       0.00    -0.03
    72   3.1512      0.00    -0.08       0.00    -0.14
    73   3.1512      0.00    -0.19       0.00    -0.12
    74   3.1704      0.00     0.16       0.00     0.30
    75   3.1705      0.00    -0.15       0.00    -0.03
    76   3.1705      0.00    -0.25       0.00     0.29
    77   4.1397      0.00    -0.28       0.00    -0.07
    78   4.1397      0.00     0.12       0.00    -0.19
    79   4.1397      0.00     0.35       0.00    -0.06
    80   4.1398      0.00    -0.12       0.00     0.03
    81   4.2107      0.00     0.26       0.00     0.12
    82   4.2108      0.00    -0.36       0.00     0.05
    83   5.1827      0.00     0.27       0.00     0.24
    84   5.1828      0.00     0.03       0.00    -0.11
    85   5.1828      0.00    -0.19       0.00    -0.09
    86   5.1828      0.00    -0.23       0.00    -0.16
    87   5.2046      0.00     0.34       0.00     0.26
    88   5.2784      0.00    -0.10       0.00     0.13
    89   5.2784      0.00     0.02       0.00    -0.15
    90   5.2836      0.00     0.15       0.00    -0.08
    91   5.2837      0.00    -0.11       0.00     0.35
    92   5.2837      0.00    -0.07       0.00    -0.15
    93   5.2838      0.00    -0.07       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.

16FD14    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        21.627    21.627    21.627
ecceobj         0.510     0.510     0.510
incobj         19.926    19.926    19.926
qmin           10.584    10.584    10.584
qmax           33.098    33.722    33.083
amean          21.610    20.967    21.632
amin           21.132    19.458    21.132
amax           21.886    22.385    21.879
emean           0.506     0.476     0.508
emin            0.496     0.426     0.496
emax            0.513     0.513     0.512
imean          21.099    21.087    20.966
imin           20.483    18.731    20.483
imax           21.624    22.433    21.277
excite_mean     0.621     0.597     0.621
fracstop        0.001     0.004     0.001
cjmean          2.763     2.812     2.761

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       332.5     164.8     330.4
kozaiamp          8.1     178.6       5.2