Orbit Fit and Astrometric record for 531141

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: 531141    
# Created Sat Dec  4 02:08:01 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     96 observations of     96
# Arc:  18.10y
# First observation: 2003/04/01
#  Last observation: 2021/05/08
# Chi-squared of fit:    96.26 DOF:    186 RMS:  0.18
# Min/Max residuals:    -0.92    0.74
# Exact a, adot, b, bdot, g, gdot:
  1.689814E-05  2.798207E-02  1.455647E-06  3.744096E-03  2.615796E-02 -1.240552E-03
# 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
   15.013370 -163.326457    0.091894    0.257459   -0.960013  2452730.808946
# Heliocentric elements and errors
Epoch:              2452730.5000  =  2003/04/01
Mean Anomaly:          347.13677 +/-     0.000
Argument of Peri:       81.29509 +/-     0.000
Long of Asc Node:      134.37121 +/-     0.000
Inclination:            16.45498 +/-     0.000
Eccentricity:         0.16627978 +/-    0.0000
Semi-Major Axis:     46.67338286 +/-    0.0000
Time of Perihelion: 2456892.0007 +/-       0.0
Perihelion:          38.91254323 +/-    0.0000
Aphelion:            54.43422249 +/-    0.0000
Period (y)              318.8689 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -36.35213610 +/-    0.0000
Ecliptic Y          -10.78764174 +/-    0.0000
Ecliptic Z            9.90316287 +/-    0.0000
Ecliptic XDOT         0.00105135 +/-    0.0000
Ecliptic YDOT        -0.00274529 +/-    0.0000
Ecliptic ZDOT         0.00034506 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.19089092 +/-    0.0000
Geocenter to KBO     38.22933846 +/-    0.0000
# Hcoef:  6.44

The following table shows the complete astrometric record for 531141. 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 (531141) followed by the observatory code and reference code for the source of the astrometry.

2003 04  01.308203 13 24 27.52   +07 19 17.0   22.2V 531141    645  C~2VVI      
2003 04  01.309033 13 24 27.52   +07 19 17.0   22.3V 531141    645  C~2VVI      
2003 04  01.311521 13 24 27.48   +07 19 16.8   23.0V 531141    645  C~2VVI      
2004 03  16.319278 13 31 52.36   +06 44 47.8   22.1V 531141    645  C~2VVI      
2004 03  16.320107 13 31 52.36   +06 44 48.1   22.1V 531141    645  C~2VVI      
2004 03  16.322595 13 31 52.35   +06 44 48.3   22.6V 531141    645  C~2VVI      
2010 05  10.36724  14 05 37.203  +04 33 20.17  22.6G 531141    F51  C~2rXt      
2010 05  11.32881  14 05 32.822  +04 33 36.90  22.6G 531141    F51  C~2rXt      
2010 05  11.34106  14 05 32.778  +04 33 37.02  21.9r 531141    F51  C~1w3q      
2011 04  21.39272  14 13 27.118  +03 58 56.19  22.0i 531141    F51  C~1w3q      
2011 04  21.42765  14 13 26.947  +03 58 56.86  22.0r 531141    F51  C~1w3q      
2011 04  26.32556  14 13 03.376  +04 01 07.27  21.9G 531141    F51  C~2rXt      
2011 04  30.43667  14 12 43.583  +04 02 47.96  22.5w 531141    F51  C~1w3q      
2012 03  29.46541  14 21 25.830  +03 19 54.70  22.7w 531141    F51  C~1w3q      
2012 03  29.47972  14 21 25.774  +03 19 55.34  22.6w 531141    F51  C~1w3q      
2012 03  29.49417  14 21 25.703  +03 19 55.71  21.9w 531141    F51  C~1w3q      
2012 03  29.50869  14 21 25.670  +03 19 56.49  22.3w 531141    F51  C~1w3q      
2012 04  20.41287  14 19 46.820  +03 31 29.21  21.9g 531141    F51  C~1w3q      
2012 04  27.48992  14 19 12.658  +03 34 35.73  22.4r 531141    F51  C~1w3q      
2012 04  27.52421  14 19 12.491  +03 34 36.82  21.5i 531141    F51  C~1w3q      
2012 05  18.35825  14 17 34.769  +03 41 14.98  22.6w 531141    F51  C~1w3q      
2012 05  18.37180  14 17 34.698  +03 41 15.30  22.5w 531141    F51  C~1w3q      
2012 05  18.38540  14 17 34.634  +03 41 15.43  22.4w 531141    F51  C~1w3q      
2012 05  18.39903  14 17 34.580  +03 41 15.61  22.5w 531141    F51  C~1w3q      
2013 04  04.51453  14 27 19.266  +02 55 38.79  21.9r 531141    F51  C~1w3q      
2013 05  10.39996  14 24 30.450  +03 11 38.53  22.3w 531141    F51  C~1w3q      
2013 05  10.41483  14 24 30.375  +03 11 38.86  22.1w 531141    F51  C~1w3q      
2013 05  10.42967  14 24 30.303  +03 11 39.00  22.2w 531141    F51  C~1w3q      
2014 04  05.43016  14 33 34.447  +02 28 17.92  22.2w 531141    F51  C~1w3q      
2014 04  05.43082  14 33 34.437  +02 28 18.17  22.2w 531141    F51  C~1w3q      
2014 04  05.44241  14 33 34.383  +02 28 18.62  22.3w 531141    F51  C~1w3q      
2014 04  05.44306  14 33 34.397  +02 28 18.59  22.4w 531141    F51  C~1w3q      
2014 04  05.45466  14 33 34.338  +02 28 18.91  22.4w 531141    F51  C~1w3q      
2014 04  05.45532  14 33 34.340  +02 28 18.99  22.2w 531141    F51  C~1w3q      
2014 04  05.46693  14 33 34.294  +02 28 19.17  22.2w 531141    F51  C~1w3q      
2014 04  05.46758  14 33 34.280  +02 28 19.28  22.2w 531141    F51  C~1w3q      
2014 05  05.42928  14 31 13.952  +02 42 13.55  22.4G 531141    F51  C~2rXt      
2014 05  25.38767  14 29 41.597  +02 47 29.09  22.2G 531141    F51  C~2rXt      
2014 05  25.40070  14 29 41.538  +02 47 29.08  22.4G 531141    F51  C~2rXt      
2014 05  25.41372  14 29 41.485  +02 47 29.51  22.0G 531141    F51  C~2rXt      
2014 05  25.42683  14 29 41.426  +02 47 29.76  22.0G 531141    F51  C~2rXt      
2014 05  31.46180  14 29 16.181  +02 48 16.64  22.2G 531141    F51  C~2rXt      
2014 07  02.30042  14 27 40.747  +02 45 56.17  22.2G 531141    F51  C~2rXt      
2015 02  16.56049  14 41 53.336  +01 33 59.33  22.9G 531141    F51  C~2rXt      
2015 02  16.57391  14 41 53.313  +01 33 59.21  22.5G 531141    F51  C~2rXt      
2015 02  16.58728  14 41 53.318  +01 33 59.96  22.8G 531141    F51  C~2rXt      
2015 02  16.60065  14 41 53.312  +01 34 00.20  22.5G 531141    F51  C~2rXt      
2015 03  22.50536  14 40 46.651  +01 52 29.54  22.4G 531141    F51  C~2rXt      
2015 03  22.51900  14 40 46.599  +01 52 29.83  22.1G 531141    F51  C~2rXt      
2015 03  22.53270  14 40 46.541  +01 52 30.27  22.5G 531141    F51  C~2rXt      
2015 03  22.54645  14 40 46.506  +01 52 30.81  22.4G 531141    F51  C~2rXt      
2015 04  12.48690  14 39 23.032  +02 04 03.42  22.1G 531141    F51  C~2rXt      
2015 04  13.43515  14 39 18.780  +02 04 32.69  22.5G 531141    F51  C~2rXt      
2015 04  13.44945  14 39 18.711  +02 04 33.11  22.6G 531141    F51  C~2rXt      
2015 04  13.46405  14 39 18.633  +02 04 33.62  23.0G 531141    F51  C~2rXt      
2015 04  13.47868  14 39 18.560  +02 04 33.87  22.9G 531141    F51  C~2rXt      
2015 04  24.53571  14 38 26.830  +02 09 52.36  22.5G 531141    F51  C~2rXt      
2015 04  24.54992  14 38 26.754  +02 09 52.48  21.7G 531141    F51  C~2rXt      
2015 05  15.43463  14 36 46.126  +02 17 28.09  22.9G 531141    F51  C~2rXt      
2015 05  15.44672  14 36 46.077  +02 17 28.09  22.5G 531141    F51  C~2rXt      
2015 05  15.45881  14 36 45.993  +02 17 28.89  22.4G 531141    F51  C~2rXt      
2015 05  15.47101  14 36 45.952  +02 17 28.41  22.2G 531141    F51  C~2rXt      
2015 05  18.43402  14 36 32.096  +02 18 14.35  22.4G 531141    F51  C~2rXt      
2015 05  18.44631  14 36 32.044  +02 18 14.63  22.3G 531141    F51  C~2rXt      
2015 05  18.45858  14 36 31.988  +02 18 14.71  22.2G 531141    F51  C~2rXt      
2015 05  18.47091  14 36 31.914  +02 18 14.87  22.9G 531141    F51  C~2rXt      
2015 06  22.32695  14 34 18.336  +02 20 23.21  21.9G 531141    F51  C~2rXt      
2015 06  22.32823  14 34 18.310  +02 20 23.34  22.2G 531141    F51  C~2rXt      
2015 06  22.34020  14 34 18.315  +02 20 23.06  21.9G 531141    F51  C~2rXt      
2015 06  22.34148  14 34 18.322  +02 20 23.06  22.3G 531141    F51  C~2rXt      
2015 06  22.35341  14 34 18.289  +02 20 22.06  22.1G 531141    F51  C~2rXt      
2016 03  02.60138  14 47 51.538  +01 13 56.39  21.6G 531141    F51  C~2rXt      
2016 03  02.61339  14 47 51.538  +01 13 56.84  21.4G 531141    F51  C~2rXt      
2016 03  02.62535  14 47 51.471  +01 13 57.17  21.7G 531141    F51  C~2rXt      
2016 03  10.62777  14 47 35.195  +01 18 21.27  22.2G 531141    F51  C~2rXt      
2016 03  11.60747  14 47 32.834  +01 18 54.17  21.6G 531141    F51  C~2rXt      
2016 03  11.61860  14 47 32.786  +01 18 54.36  22.3G 531141    F51  C~2rXt      
2016 05  03.40781  14 43 59.434  +01 45 51.00  22.0G 531141    F51  C~2rXt      
2016 05  03.42142  14 43 59.350  +01 45 51.12  21.9G 531141    F51  C~2rXt      
2016 05  03.43512  14 43 59.282  +01 45 51.64  22.7G 531141    F51  C~2rXt      
2016 05  03.44888  14 43 59.218  +01 45 52.04  21.8G 531141    F51  C~2rXt      
2016 05  23.40861  14 42 24.472  +01 51 35.37  22.4G 531141    F51  C~2rXt      
2016 06  03.36011  14 41 37.434  +01 53 05.32  22.6G 531141    F51  C~2rXt      
2016 06  03.38338  14 41 37.335  +01 53 05.20  23.1G 531141    F51  C~2rXt      
2016 06  03.39500  14 41 37.301  +01 53 05.40  22.4G 531141    F51  C~2rXt      
2016 06  22.33029  14 40 31.652  +01 52 40.26  21.2G 531141    F51  C~2rXt      
2016 07  17.31450  14 39 46.923  +01 46 22.52  23.4G 531141    F51  C~2rXt      
2017 03  24.49114  14 53 12.545  +00 58 06.99  22.1G 531141    F51  C~2rXt      
2018 03  22.60996  14 59 36.173  +00 29 02.38  22.2G 531141    F51  C~2rXt      
2018 03  22.62196  14 59 36.118  +00 29 02.75  22.2G 531141    F51  C~2rXt      
2018 04  10.32057  14 58 27.112  +00 39 05.89  22.2R 531141    G37  C~2bGp      
2018 04  10.40507  14 58 26.727  +00 39 08.31        531141    G37  C~2bGp      
2018 04  10.44892  14 58 26.542  +00 39 09.72        531141    G37  C~2bGp      
2021 05  08.505047 15 15 08.433  -00 32 14.50  22.1w 531141    F51  C~4pOy      
2021 05  08.516766 15 15 08.371  -00 32 14.23  22.1w 531141    F51  C~4pOy      
2021 05  08.540197 15 15 08.245  -00 32 14.01  21.9w 531141    F51  C~4pOy      

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     0.07       0.00     0.15
     2   0.0000      0.00     0.13       0.00     0.12
     3   0.0000      0.00    -0.30       0.00    -0.16
     4   0.9583      0.00    -0.08       0.00    -0.37
     5   0.9583      0.00    -0.03       0.00    -0.11
     6   0.9583      0.00    -0.03       0.00     0.00
     7   7.1076      0.00    -0.15       0.00    -0.08
     8   7.1103      0.00    -0.05       0.00     0.20
     9   7.1103      0.00     0.14       0.00     0.11
    10   8.0550      0.00     0.08       0.00     0.01
    11   8.0551      0.00     0.07       0.00    -0.29
    12   8.0685      0.00    -0.04       0.00    -0.07
    13   8.0797      0.00     0.18       0.00     0.13
    14   8.9943      0.00     0.04       0.00     0.05
    15   8.9943      0.00     0.10       0.00     0.19
    16   8.9943      0.00    -0.06       0.00     0.06
    17   8.9944      0.00     0.36       0.00     0.34
    18   9.0544      0.00     0.74       0.00    -0.05
    19   9.0737      0.00     0.04       0.00    -0.06
    20   9.0738      0.00     0.06       0.00     0.18
    21   9.1309      0.00     0.09       0.00     0.00
    22   9.1309      0.00    -0.06       0.00     0.15
    23   9.1309      0.00    -0.10       0.00     0.10
    24   9.1310      0.00     0.02       0.00     0.10
    25  10.0101      0.00     0.01       0.00     0.01
    26  10.1084      0.00     0.03       0.00    -0.04
    27  10.1084      0.00    -0.02       0.00     0.02
    28  10.1085      0.00    -0.03       0.00    -0.11
    29  11.0120      0.00    -0.02       0.00    -0.15
    30  11.0120      0.00    -0.12       0.00     0.08
    31  11.0120      0.00    -0.18       0.00     0.15
    32  11.0120      0.00     0.08       0.00     0.10
    33  11.0120      0.00    -0.05       0.00     0.04
    34  11.0120      0.00     0.02       0.00     0.10
    35  11.0121      0.00     0.09       0.00    -0.10
    36  11.0121      0.00    -0.07       0.00    -0.01
    37  11.0941      0.00    -0.11       0.00    -0.02
    38  11.1487      0.00     0.06       0.00     0.08
    39  11.1488      0.00     0.04       0.00    -0.06
    40  11.1488      0.00     0.11       0.00     0.24
    41  11.1489      0.00     0.09       0.00     0.36
    42  11.1654      0.00    -0.15       0.00    -0.47
    43  11.2525      0.00     0.04       0.00    -0.02
    44  11.8802      0.00    -0.06       0.00     0.04
    45  11.8803      0.00    -0.31       0.00    -0.46
    46  11.8803      0.00    -0.14       0.00    -0.10
    47  11.8803      0.00    -0.13       0.00    -0.24
    48  11.9732      0.00     0.07       0.00     0.14
    49  11.9732      0.00    -0.00       0.00    -0.04
    50  11.9732      0.00    -0.16       0.00    -0.07
    51  11.9733      0.00     0.03       0.00    -0.01
    52  12.0306      0.00    -0.15       0.00    -0.07
    53  12.0332      0.00     0.08       0.00     0.01
    54  12.0332      0.00     0.03       0.00    -0.01
    55  12.0333      0.00    -0.13       0.00     0.05
    56  12.0333      0.00    -0.21       0.00    -0.15
    57  12.0636      0.00     0.14       0.00     0.08
    58  12.0636      0.00     0.04       0.00    -0.18
    59  12.1208      0.00    -0.09       0.00     0.13
    60  12.1208      0.00     0.05       0.00    -0.06
    61  12.1209      0.00    -0.34       0.00     0.54
    62  12.1209      0.00    -0.08       0.00    -0.14
    63  12.1290      0.00    -0.14       0.00    -0.06
    64  12.1291      0.00    -0.05       0.00     0.04
    65  12.1291      0.00    -0.03       0.00    -0.06
    66  12.1291      0.00    -0.26       0.00    -0.08
    67  12.2246      0.00    -0.05       0.00     0.03
    68  12.2246      0.00    -0.39       0.00     0.17
    69  12.2246      0.00     0.20       0.00    -0.02
    70  12.2246      0.00     0.36       0.00    -0.01
    71  12.2246      0.00     0.37       0.00    -0.92
    72  12.9207      0.00     0.14       0.00    -0.08
    73  12.9208      0.00     0.46       0.00    -0.02
    74  12.9208      0.00    -0.23       0.00    -0.08
    75  12.9427      0.00    -0.14       0.00     0.27
    76  12.9454      0.00     0.12       0.00     0.28
    77  12.9454      0.00    -0.17       0.00     0.10
    78  13.0899      0.00     0.07       0.00     0.02
    79  13.0900      0.00    -0.18       0.00    -0.16
    80  13.0900      0.00    -0.18       0.00     0.05
    81  13.0900      0.00    -0.11       0.00     0.14
    82  13.1447      0.00     0.20       0.00    -0.09
    83  13.1747      0.00    -0.11       0.00     0.13
    84  13.1747      0.00    -0.15       0.00    -0.10
    85  13.1748      0.00     0.06       0.00     0.04
    86  13.2266      0.00     0.05       0.00     0.44
    87  13.2950      0.00     0.01       0.00     0.01
    88  13.9800      0.00    -0.13       0.00     0.02
    89  14.9741      0.00     0.16       0.00    -0.09
    90  14.9742      0.00    -0.10       0.00    -0.12
    91  15.0254      0.00     0.32       0.00     0.13
    92  15.0256      0.00     0.01       0.00    -0.05
    93  15.0257      0.00     0.07       0.00     0.01
    94  18.1032      0.00     0.09       0.00     0.01
    95  18.1032      0.00     0.04       0.00     0.04
    96  18.1033      0.00    -0.10       0.00    -0.22

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.

531141    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        46.190    46.190    46.190
ecceobj         0.158     0.158     0.158
incobj         16.480    16.480    16.480
qmin           38.404    38.425    38.409
qmax           55.079    55.116    55.079
amean          46.567    46.563    46.562
amin           46.166    46.155    46.167
amax           47.027    47.024    46.997
emean           0.158     0.159     0.158
emin            0.147     0.147     0.147
emax            0.172     0.173     0.172
imean          15.291    15.284    15.288
imin           14.890    14.879    14.889
imax           15.757    15.753    15.754
excite_mean     0.308     0.308     0.308
fracstop        1.000     1.000     1.000
cjmean          3.016     3.016     3.016

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       187.6     187.7     187.8
kozaiamp        180.0     180.0     180.0