Orbit Fit and Astrometric record for 555591

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: 555591    
# Created Tue Dec  7 02:08:12 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     97 observations of     97
# Arc:   9.10y
# First observation: 2012/02/13
#  Last observation: 2021/03/20
# Chi-squared of fit:   156.37 DOF:    188 RMS:  0.22
# Min/Max residuals:    -1.12    0.93
# Exact a, adot, b, bdot, g, gdot:
  1.690411E-05  3.089689E-02 -7.558421E-06 -1.563065E-02  2.937611E-02  6.803431E-05
# Covariance matrix:
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
#      lat0       lon0       xBary       yBary       zBary        JD0
    8.642808  124.497735   -0.329885    0.140103   -0.921594  2455970.803436
# Heliocentric elements and errors
Epoch:              2455970.5000  =  2012/02/13
Mean Anomaly:            2.58257 +/-     0.000
Argument of Peri:      157.64780 +/-     0.000
Long of Asc Node:      321.11421 +/-     0.000
Inclination:            28.10735 +/-     0.000
Eccentricity:         0.23216729 +/-    0.0000
Semi-Major Axis:     45.51251751 +/-    0.0000
Time of Perihelion: 2455165.9664 +/-       0.0
Perihelion:          34.94599949 +/-    0.0000
Aphelion:            56.07903553 +/-    0.0000
Period (y)              307.0467 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -19.85842418 +/-    0.0000
Ecliptic Y           28.31912914 +/-    0.0000
Ecliptic Z            5.11524866 +/-    0.0000
Ecliptic XDOT        -0.00250537 +/-    0.0000
Ecliptic YDOT        -0.00144107 +/-    0.0000
Ecliptic ZDOT        -0.00143918 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   34.96419935 +/-    0.0000
Geocenter to KBO     34.04130489 +/-    0.0000
# Hcoef:  7.39

The following table shows the complete astrometric record for 555591. 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 (555591) followed by the observatory code and reference code for the source of the astrometry.

2012 02  13.30267  08 36 36.019  +27 30 53.47  23.1G 555591    F51  C~346M      
2012 02  13.31719  08 36 35.938  +27 30 53.64  23.3G 555591    F51  C~346M      
2012 02  13.33173  08 36 35.840  +27 30 53.90  22.8G 555591    F51  C~346M      
2012 02  13.34632  08 36 35.750  +27 30 54.09  22.4G 555591    F51  C~346M      
2013 02  12.28538  08 43 15.053  +26 11 17.04  23.0G 555591    F51  C~346M      
2013 02  12.29856  08 43 15.017  +26 11 17.52  23.0G 555591    F51  C~346M      
2013 02  12.31178  08 43 14.920  +26 11 17.48  22.5G 555591    F51  C~346M      
2013 02  12.32499  08 43 14.838  +26 11 17.51  23.2G 555591    F51  C~346M      
2013 05  09.28563  08 39 35.824  +25 55 55.52  22.5G 555591    F51  C~346M      
2013 05  09.28959  08 39 35.822  +25 55 55.87  22.5G 555591    F51  C~346M      
2013 05  09.29354  08 39 35.869  +25 55 54.98  22.5G 555591    F51  C~346M      
2013 05  09.29749  08 39 35.873  +25 55 55.25  22.9G 555591    F51  C~346M      
2014 01  01.43679  08 54 03.330  +24 39 24.11  22.3G 555591    F51  C~346M      
2014 01  01.45077  08 54 03.254  +24 39 24.23  22.2G 555591    F51  C~346M      
2014 03  02.24159  08 48 00.473  +24 52 54.97  22.7G 555591    F51  C~346M      
2014 05  17.29357  08 46 13.162  +24 34 41.33  21.9G 555591    F51  C~346M      
2014 10  28.61608  09 02 24.210  +23 08 34.30  23.4G 555591    F51  C~346M      
2014 12  21.59488  09 01 11.637  +23 14 19.20  22.8G 555591    F51  C~346M      
2014 12  21.60850  09 01 11.594  +23 14 19.05  23.1G 555591    F51  C~346M      
2014 12  21.62221  09 01 11.530  +23 14 19.43  22.5G 555591    F51  C~346M      
2014 12  21.63606  09 01 11.448  +23 14 19.71  22.9G 555591    F51  C~346M      
2014 12  26.46152  09 00 49.520  +23 15 39.18  24.0G 555591    F51  C~346M      
2015 01  14.38110  08 59 07.094  +23 21 14.85  22.6G 555591    F51  C~346M      
2015 01  14.39335  08 59 07.033  +23 21 15.09  22.9G 555591    F51  C~346M      
2015 01  14.40558  08 59 06.962  +23 21 15.28  22.8G 555591    F51  C~346M      
2015 01  14.41785  08 59 06.874  +23 21 15.45  23.4G 555591    F51  C~346M      
2015 01  16.53623  08 58 54.152  +23 21 53.67  23.0G 555591    F51  C~346M      
2015 01  16.54848  08 58 54.087  +23 21 54.02  22.8G 555591    F51  C~346M      
2015 01  16.56077  08 58 53.994  +23 21 54.21  22.8G 555591    F51  C~346M      
2015 01  16.57307  08 58 53.919  +23 21 54.45  23.2G 555591    F51  C~346M      
2015 01  20.37178  08 58 30.698  +23 23 02.04  23.0G 555591    F51  C~346M      
2015 01  20.38381  08 58 30.624  +23 23 02.15  22.3G 555591    F51  C~346M      
2015 01  20.39585  08 58 30.564  +23 23 02.63  22.2G 555591    F51  C~346M      
2015 01  20.40809  08 58 30.483  +23 23 02.77  22.5G 555591    F51  C~346M      
2015 01  22.39273  08 58 18.157  +23 23 37.76  22.3G 555591    F51  C~346M      
2015 01  22.40486  08 58 18.087  +23 23 38.15  22.3G 555591    F51  C~346M      
2015 01  22.41699  08 58 18.009  +23 23 38.15  22.8G 555591    F51  C~346M      
2015 01  22.42913  08 58 17.928  +23 23 38.30  23.5G 555591    F51  C~346M      
2015 03  16.38614  08 53 13.039  +23 32 36.59  22.7G 555591    F51  C~346M      
2015 03  16.39835  08 53 12.994  +23 32 36.87  22.9G 555591    F51  C~346M      
2015 03  16.41058  08 53 12.933  +23 32 36.87  22.2G 555591    F51  C~346M      
2015 04  10.30224  08 51 58.808  +23 29 54.10  23.5G 555591    F51  C~346M      
2015 04  10.31404  08 51 58.772  +23 29 54.06  23.2G 555591    F51  C~346M      
2015 04  10.32582  08 51 58.771  +23 29 53.83  23.9G 555591    F51  C~346M      
2015 04  10.33765  08 51 58.698  +23 29 53.63  22.9G 555591    F51  C~346M      
2016 01  08.42455  09 05 50.726  +21 56 42.69  22.2G 555591    F51  C~346M      
2016 01  08.42733  09 05 50.706  +21 56 42.78  22.6G 555591    F51  C~346M      
2016 01  08.43904  09 05 50.656  +21 56 42.50  23.0G 555591    F51  C~346M      
2016 01  08.44184  09 05 50.627  +21 56 42.93  22.6G 555591    F51  C~346M      
2016 01  08.45359  09 05 50.571  +21 56 43.12  22.2G 555591    F51  C~346M      
2016 01  08.45642  09 05 50.545  +21 56 43.09  22.7G 555591    F51  C~346M      
2016 01  08.46816  09 05 50.505  +21 56 43.19  22.3G 555591    F51  C~346M      
2016 01  31.36118  09 03 33.569  +22 03 30.88  23.1G 555591    F51  C~346M      
2016 01  31.37610  09 03 33.473  +22 03 31.53  22.3G 555591    F51  C~346M      
2016 01  31.39092  09 03 33.379  +22 03 31.70  22.5G 555591    F51  C~346M      
2016 01  31.40575  09 03 33.271  +22 03 32.35  22.4G 555591    F51  C~346M      
2016 02  03.39921  09 03 14.502  +22 04 22.04  20.7G 555591    F51  C~346M      
2016 02  05.54822  09 03 00.995  +22 04 56.75  22.8G 555591    F51  C~346M      
2016 02  05.56070  09 03 00.929  +22 04 57.13  22.9G 555591    F51  C~346M      
2016 02  05.57319  09 03 00.829  +22 04 56.96  23.5G 555591    F51  C~346M      
2016 02  11.28636  09 02 25.168  +22 06 24.70  22.0G 555591    F51  C~346M      
2016 02  11.29830  09 02 25.106  +22 06 24.90  22.2G 555591    F51  C~346M      
2016 02  11.30994  09 02 25.042  +22 06 25.08  22.5G 555591    F51  C~346M      
2016 02  11.32158  09 02 24.986  +22 06 25.32  22.2G 555591    F51  C~346M      
2016 02  27.47974  09 00 49.104  +22 09 42.14  21.4G 555591    F51  C~346M      
2016 03  03.28211  09 00 23.067  +22 10 21.25  22.5G 555591    F51  C~346M      
2016 03  03.29595  09 00 22.962  +22 10 21.67  23.1G 555591    F51  C~346M      
2016 03  03.30913  09 00 22.877  +22 10 21.87  22.2G 555591    F51  C~346M      
2016 03  03.32233  09 00 22.785  +22 10 21.92  23.2G 555591    F51  C~346M      
2016 03  14.25208  08 59 29.438  +22 11 17.15  21.6G 555591    F51  C~346M      
2016 04  22.31245  08 57 52.659  +22 06 47.51  23.0G 555591    F51  C~346M      
2016 04  28.27540  08 57 53.063  +22 05 00.36  22.6G 555591    F51  C~346M      
2016 04  28.28801  08 57 53.057  +22 05 00.25  23.3G 555591    F51  C~346M      
2016 04  28.30063  08 57 53.089  +22 05 00.28  22.8G 555591    F51  C~346M      
2017 01  28.37868  09 09 49.355  +20 39 42.38  22.6G 555591    F51  C~346M      
2017 01  28.39103  09 09 49.201  +20 39 42.32  21.5G 555591    F51  C~346M      
2017 01  28.40322  09 09 49.193  +20 39 42.53  21.7G 555591    F51  C~346M      
2017 02  04.51929  09 09 05.120  +20 41 46.89  22.4G 555591    F51  C~346M      
2017 02  04.53182  09 09 05.069  +20 41 46.63  22.4G 555591    F51  C~346M      
2017 02  04.54433  09 09 04.941  +20 41 47.60  21.8G 555591    F51  C~346M      
2017 02  04.55685  09 09 04.908  +20 41 47.44  22.6G 555591    F51  C~346M      
2018 01  14.55324  09 17 05.576  +19 11 44.83  22.6G 555591    F51  C~346M      
2018 01  14.56558  09 17 05.491  +19 11 45.07  22.7G 555591    F51  C~346M      
2018 01  14.57790  09 17 05.427  +19 11 45.30  22.5G 555591    F51  C~346M      
2018 01  14.59025  09 17 05.356  +19 11 45.54  22.5G 555591    F51  C~346M      
2018 01  15.56397  09 16 59.912  +19 12 03.24  22.2G 555591    F51  C~346M      
2018 02  12.35055  09 14 13.182  +19 20 21.39  23.0G 555591    F51  C~346M      
2018 02  12.36380  09 14 13.123  +19 20 21.86  22.5G 555591    F51  C~346M      
2018 02  12.37711  09 14 13.023  +19 20 22.04  22.2G 555591    F51  C~346M      
2018 02  12.39065  09 14 12.953  +19 20 22.39  22.7G 555591    F51  C~346M      
2018 03  08.26638  09 11 57.509  +19 25 44.77  22.6G 555591    F51  C~346M      
2018 03  08.27954  09 11 57.450  +19 25 44.76  22.2G 555591    F51  C~346M      
2018 03  08.29273  09 11 57.369  +19 25 45.24  22.2G 555591    F51  C~346M      
2018 03  08.30598  09 11 57.327  +19 25 45.12  22.4G 555591    F51  C~346M      
2021 03  20.147230 09 28 00.688  +15 17 33.20  22.8G 555591    G37  C~4i0s      
2021 03  20.187650 09 28 00.501  +15 17 33.63        555591    G37  C~4i0s      
2021 03  20.226850 09 28 00.327  +15 17 34.10        555591    G37  C~4i0s      

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    -0.16
     2   0.0000      0.00     0.06       0.00    -0.10
     3   0.0001      0.00    -0.02       0.00     0.05
     4   0.0001      0.00     0.02       0.00     0.12
     5   0.9993      0.00    -0.56       0.00    -0.18
     6   0.9993      0.00     0.15       0.00     0.17
     7   0.9993      0.00    -0.04       0.00     0.00
     8   0.9994      0.00    -0.01       0.00    -0.10
     9   1.2347      0.00    -0.27       0.00     0.13
    10   1.2347      0.00    -0.44       0.00     0.61
    11   1.2347      0.00     0.13       0.00    -0.16
    12   1.2348      0.00     0.06       0.00     0.23
    13   1.8840      0.00     0.06       0.00    -0.03
    14   1.8840      0.00     0.08       0.00    -0.17
    15   2.0477      0.00     0.38       0.00    -0.46
    16   2.2560      0.00    -0.13       0.00    -0.38
    17   2.7059      0.00    -0.15       0.00    -0.01
    18   2.8536      0.00     0.04       0.00     0.11
    19   2.8537      0.00     0.30       0.00    -0.26
    20   2.8537      0.00     0.25       0.00    -0.09
    21   2.8538      0.00    -0.06       0.00    -0.03
    22   2.8670      0.00    -0.27       0.00     0.27
    23   2.9188      0.00    -0.19       0.00    -0.01
    24   2.9188      0.00     0.00       0.00     0.00
    25   2.9188      0.00     0.05       0.00    -0.03
    26   2.9189      0.00    -0.16       0.00    -0.09
    27   2.9247      0.00    -0.01       0.00    -0.07
    28   2.9247      0.00     0.15       0.00     0.06
    29   2.9247      0.00    -0.12       0.00     0.03
    30   2.9248      0.00    -0.11       0.00     0.06
    31   2.9352      0.00    -0.18       0.00    -0.13
    32   2.9352      0.00    -0.16       0.00    -0.24
    33   2.9352      0.00     0.07       0.00     0.03
    34   2.9353      0.00     0.01       0.00    -0.05
    35   2.9407      0.00    -0.09       0.00     0.07
    36   2.9407      0.00     0.01       0.00     0.24
    37   2.9408      0.00    -0.01       0.00     0.03
    38   2.9408      0.00    -0.07       0.00    -0.04
    39   3.0858      0.00    -0.12       0.00    -0.28
    40   3.0858      0.00    -0.00       0.00     0.01
    41   3.0859      0.00    -0.12       0.00     0.02
    42   3.1540      0.00     0.52       0.00    -0.06
    43   3.1540      0.00     0.29       0.00     0.05
    44   3.1541      0.00     0.57       0.00    -0.03
    45   3.1541      0.00    -0.22       0.00    -0.07
    46   3.9018      0.00    -0.05       0.00     0.21
    47   3.9018      0.00    -0.12       0.00     0.25
    48   3.9018      0.00     0.11       0.00    -0.24
    49   3.9018      0.00    -0.09       0.00     0.14
    50   3.9019      0.00     0.06       0.00     0.12
    51   3.9019      0.00    -0.09       0.00     0.04
    52   3.9019      0.00     0.29       0.00    -0.08
    53   3.9646      0.00     0.27       0.00    -0.50
    54   3.9646      0.00     0.25       0.00    -0.11
    55   3.9646      0.00     0.26       0.00    -0.20
    56   3.9647      0.00     0.06       0.00     0.20
    57   3.9729      0.00     0.23       0.00     0.02
    58   3.9788      0.00     0.14       0.00    -0.03
    59   3.9788      0.00     0.34       0.00     0.15
    60   3.9788      0.00     0.03       0.00    -0.21
    61   3.9945      0.00    -0.41       0.00     0.03
    62   3.9945      0.00    -0.22       0.00     0.05
    63   3.9945      0.00    -0.08       0.00     0.06
    64   3.9946      0.00     0.17       0.00     0.12
    65   4.0388      0.00     0.08       0.00     0.93
    66   4.0520      0.00     0.63       0.00    -0.34
    67   4.0520      0.00     0.17       0.00    -0.03
    68   4.0520      0.00    -0.04       0.00     0.07
    69   4.0521      0.00    -0.36       0.00     0.02
    70   4.0820      0.00     0.21       0.00    -0.12
    71   4.1889      0.00    -0.39       0.00     0.07
    72   4.2053      0.00     0.06       0.00     0.06
    73   4.2053      0.00    -0.09       0.00     0.20
    74   4.2053      0.00     0.33       0.00     0.48
    75   4.9585      0.00     0.03       0.00     0.23
    76   4.9585      0.00    -1.12       0.00    -0.05
    77   4.9585      0.00    -0.10       0.00    -0.06
    78   4.9780      0.00    -0.25       0.00     0.09
    79   4.9780      0.00     0.16       0.00    -0.38
    80   4.9781      0.00    -0.58       0.00     0.38
    81   4.9781      0.00     0.11       0.00     0.01
    82   5.9199      0.00     0.23       0.00    -0.13
    83   5.9200      0.00     0.01       0.00    -0.10
    84   5.9200      0.00     0.10       0.00    -0.09
    85   5.9200      0.00     0.08       0.00    -0.07
    86   5.9227      0.00     0.19       0.00     0.21
    87   5.9988      0.00    -0.21       0.00    -0.26
    88   5.9988      0.00     0.13       0.00    -0.01
    89   5.9988      0.00    -0.14       0.00    -0.05
    90   5.9989      0.00     0.07       0.00     0.07
    91   6.0642      0.00    -0.28       0.00     0.01
    92   6.0643      0.00    -0.15       0.00    -0.13
    93   6.0643      0.00    -0.34       0.00     0.22
    94   6.0643      0.00     0.05       0.00    -0.03
    95   9.0975      0.00     0.14       0.00    -0.05
    96   9.0976      0.00     0.02       0.00    -0.07
    97   9.0977      0.00     0.02       0.00    -0.03

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.

555591    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        45.606    45.606    45.606
ecceobj         0.233     0.233     0.233
incobj         28.117    28.117    28.117
qmin           33.570    33.570    33.570
qmax           57.638    57.638    57.638
amean          45.373    45.373    45.373
amin           44.988    44.975    44.988
amax           45.847    45.846    45.848
emean           0.237     0.237     0.237
emin            0.216     0.215     0.215
emax            0.258     0.258     0.258
imean          29.178    29.178    29.178
imin           28.593    28.594    28.591
imax           29.716    29.720    29.723
excite_mean     0.542     0.542     0.542
fracstop        1.000     1.000     1.000
cjmean          2.745     2.745     2.745

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       190.3     190.4     190.4
kozaiamp        179.9     179.9     180.0