Orbit Fit and Astrometric record for 556130

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: 556130    
# Created Fri Mar 29 01:09:03 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting    106 observations of    106
# Arc:  12.05y
# First observation: 2011/04/28
#  Last observation: 2023/05/17
# Chi-squared of fit:    91.46 DOF:    206 RMS:  0.16
# Min/Max residuals:    -0.73    0.49
# Exact a, adot, b, bdot, g, gdot:
  1.762569E-05  3.400118E-02  2.647217E-06  5.338926E-03  3.050177E-02 -7.662315E-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
   14.803439 -141.538014    0.016773    0.257959   -0.976310  2455679.941486
# Heliocentric elements and errors
Epoch:              2455680.5000  =  2011/04/29
Mean Anomaly:          315.05979 +/-     0.000
Argument of Peri:      129.98739 +/-     0.000
Long of Asc Node:      160.58029 +/-     0.000
Inclination:            16.83113 +/-     0.000
Eccentricity:         0.25839859 +/-    0.0000
Semi-Major Axis:     39.21620825 +/-    0.0000
Time of Perihelion: 2466878.2154 +/-       0.0
Perihelion:          29.08279533 +/-    0.0000
Aphelion:            49.34962118 +/-    0.0000
Period (y)              245.5877 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -25.61599523 +/-    0.0000
Ecliptic Y          -20.33065663 +/-    0.0000
Ecliptic Z            8.37681198 +/-    0.0000
Ecliptic XDOT         0.00251295 +/-    0.0000
Ecliptic YDOT        -0.00189405 +/-    0.0000
Ecliptic ZDOT         0.00028762 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   33.75936368 +/-    0.0000
Geocenter to KBO     32.78515485 +/-    0.0000
# Hcoef:  7.21

The following table shows the complete astrometric record for 556130. 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 (556130) followed by the observatory code and reference code for the source of the astrometry.

2011 04  28.44072  14 43 11.061  -00 16 26.60  23.4G 556130    F51  C~2rY5      
2011 04  30.40124  14 43 00.230  -00 15 26.27  22.3w 556130    F51  C~1vXW      
2011 04  30.41478  14 43 00.151  -00 15 25.73  22.4w 556130    F51  C~1vXW      
2011 04  30.42983  14 43 00.068  -00 15 25.47  22.3w 556130    F51  C~1vXW      
2012 04  15.54080  14 52 06.455  -00 42 15.94  22.9G 556130    F51  C~2rY5      
2012 04  16.49748  14 52 01.463  -00 41 41.73  22.8G 556130    F51  C~2rY5      
2012 04  27.49300  14 51 02.106  -00 35 33.67  21.6G 556130    F51  C~2rY5      
2012 04  27.50338  14 51 02.037  -00 35 33.53  22.6G 556130    F51  C~2rY5      
2012 05  18.36908  14 49 06.234  -00 26 25.53  22.4w 556130    F51  C~1vXW      
2012 05  18.38267  14 49 06.167  -00 26 25.34  22.3w 556130    F51  C~1vXW      
2012 05  18.39631  14 49 06.097  -00 26 24.99  22.4w 556130    F51  C~1vXW      
2012 05  18.40997  14 49 06.022  -00 26 24.54  22.3w 556130    F51  C~1vXW      
2013 04  05.59857  15 00 53.243  -01 07 49.70  21.9G 556130    F51  C~2rY5      
2013 04  17.50821  14 59 54.692  -01 00 32.54  22.2G 556130    F51  C~2rY5      
2013 04  17.52337  14 59 54.597  -01 00 32.25  22.1G 556130    F51  C~2rY5      
2013 04  17.53850  14 59 54.557  -01 00 31.48  23.3G 556130    F51  C~2rY5      
2013 04  17.55366  14 59 54.447  -01 00 31.26  19.6G 556130    F51  C~2rY5      
2013 05  10.39101  14 57 48.375  -00 48 48.25  22.6w 556130    F51  C~1vXW      
2013 05  10.40586  14 57 48.288  -00 48 47.97  22.4w 556130    F51  C~1vXW      
2013 05  10.42074  14 57 48.209  -00 48 47.55  22.6w 556130    F51  C~1vXW      
2013 05  10.43560  14 57 48.126  -00 48 47.07  22.4w 556130    F51  C~1vXW      
2013 05  14.249039 14 57 26.68   -00 47 14.1   23.0r 556130    309  C~2HP5      
2013 05  14.253727 14 57 26.65   -00 47 14.1   22.9r 556130    309  C~2HP5      
2013 05  14.258402 14 57 26.63   -00 47 14.0   22.9r 556130    309  C~2HP5      
2013 05  14.267754 14 57 26.58   -00 47 13.8   23.0r 556130    309  C~2HP5      
2013 07  14.27577  14 53 22.647  -00 44 02.16  22.7G 556130    F51  C~2rY5      
2014 05  17.45268  15 05 14.318  -01 05 36.57  22.5G 556130    F51  C~2rY5      
2014 05  17.47673  15 05 14.199  -01 05 36.15  22.6G 556130    F51  C~2rY5      
2014 05  20.44026  15 04 57.585  -01 04 34.07  22.6G 556130    F51  C~2rY5      
2014 05  20.45247  15 04 57.520  -01 04 33.96  22.0G 556130    F51  C~2rY5      
2014 05  20.46462  15 04 57.441  -01 04 33.78  22.4G 556130    F51  C~2rY5      
2014 05  21.39459  15 04 52.290  -01 04 15.26  22.4w 556130    F51  C~1vXW      
2014 05  21.40660  15 04 52.231  -01 04 14.99  22.4w 556130    F51  C~1vXW      
2014 05  21.41860  15 04 52.157  -01 04 14.80  22.6w 556130    F51  C~1vXW      
2014 05  21.43057  15 04 52.085  -01 04 14.74  22.2w 556130    F51  C~1vXW      
2014 05  26.37206  15 04 25.008  -01 02 46.45  22.5G 556130    F51  C~2rY5      
2014 05  26.39679  15 04 24.876  -01 02 45.60  22.8G 556130    F51  C~2rY5      
2014 06  29.35484  15 01 53.757  -01 00 04.66  22.2w 556130    F51  C~1vXW      
2014 06  29.36790  15 01 53.696  -01 00 04.81  22.4w 556130    F51  C~1vXW      
2014 06  29.38098  15 01 53.653  -01 00 04.75  22.1w 556130    F51  C~1vXW      
2014 06  29.39407  15 01 53.603  -01 00 05.10  22.4w 556130    F51  C~1vXW      
2014 07  30.26416  15 01 03.721  -01 08 59.58  22.7w 556130    F51  C~1vXW      
2014 07  30.27570  15 01 03.715  -01 09 00.24  22.3w 556130    F51  C~1vXW      
2014 07  30.28721  15 01 03.720  -01 09 00.08  22.3w 556130    F51  C~1vXW      
2014 07  30.32139  15 01 03.711  -01 09 01.37  22.6w 556130    F51  C~1vXW      
2015 03  01.63474  15 18 44.886  -02 09 06.51  22.8G 556130    F51  C~2rY5      
2015 03  29.57674  15 17 39.149  -01 51 49.85  22.8G 556130    F51  C~2rY5      
2015 05  21.37419  15 13 05.616  -01 24 01.97  23.1G 556130    F51  C~2rY5      
2015 06  18.34737  15 10 42.795  -01 19 02.51  22.4G 556130    F51  C~2rY5      
2015 06  19.33325  15 10 38.571  -01 19 01.67  23.0G 556130    F51  C~2rY5      
2015 06  19.34629  15 10 38.534  -01 19 01.90  22.6w 556130    F51  C~1vXW      
2015 06  19.35930  15 10 38.484  -01 19 01.83  22.7w 556130    F51  C~1vXW      
2015 06  19.37228  15 10 38.436  -01 19 01.79  22.4w 556130    F51  C~1vXW      
2016 02  21.64323  15 26 57.988  -02 33 15.27  23.1G 556130    F51  C~2rY5      
2016 03  03.55639  15 26 55.477  -02 27 16.20  22.4G 556130    F51  C~2rY5      
2016 03  05.59603  15 26 53.425  -02 26 04.96  22.2G 556130    F51  C~2rY5      
2016 03  05.60737  15 26 53.418  -02 26 04.51  21.9G 556130    F51  C~2rY5      
2016 03  05.61871  15 26 53.388  -02 26 04.18  22.6G 556130    F51  C~2rY5      
2016 03  05.63005  15 26 53.376  -02 26 03.74  22.4G 556130    F51  C~2rY5      
2016 03  10.64131  15 26 46.205  -02 23 04.64  22.3G 556130    F51  C~2rY5      
2016 03  31.55209  15 25 47.202  -02 09 57.23  22.0G 556130    F51  C~2rY5      
2016 06  22.38710  15 18 38.216  -01 38 49.15  22.9G 556130    F51  C~2rY5      
2016 07  06.30882  15 17 48.758  -01 40 22.72  20.8G 556130    F51  C~2rY5      
2017 04  06.52456  15 33 50.871  -02 26 19.70  22.5G 556130    F51  C~2rY5      
2017 04  06.53632  15 33 50.835  -02 26 19.39  23.6G 556130    F51  C~2rY5      
2017 05  17.35458  15 30 14.353  -02 05 09.44  22.9G 556130    F51  C~2rY5      
2017 05  17.36751  15 30 14.254  -02 05 09.02  22.6G 556130    F51  C~2rY5      
2017 05  17.38047  15 30 14.218  -02 05 08.99  21.9G 556130    F51  C~2rY5      
2017 05  17.39347  15 30 14.119  -02 05 08.85  22.6G 556130    F51  C~2rY5      
2017 05  27.36605  15 29 16.369  -02 01 56.91  21.8G 556130    F51  C~2rY5      
2017 05  27.37673  15 29 16.307  -02 01 56.79  22.2G 556130    F51  C~2rY5      
2017 05  27.38739  15 29 16.242  -02 01 56.71  22.3G 556130    F51  C~2rY5      
2017 05  27.39806  15 29 16.180  -02 01 56.55  21.9G 556130    F51  C~2rY5      
2017 07  10.31344  15 25 58.170  -02 00 57.79  22.7G 556130    F51  C~2rY5      
2018 05  21.44300  15 38 28.108  -02 23 52.75  21.8G 556130    F51  C~2rY5      
2018 05  21.47824  15 38 27.880  -02 23 52.19  22.3G 556130    F51  C~2rY5      
2020 06  21.33225  15 53 05.834  -02 58 36.95  22.1w 556130    F52  C~3xr1      
2020 06  21.35713  15 53 05.710  -02 58 37.16  22.2w 556130    F52  C~3xr1      
2020 06  21.36953  15 53 05.639  -02 58 37.11  22.3w 556130    F52  C~3xr1      
2021 05  10.407255 16 06 07.067  -03 28 02.85  22.0w 556130    F51  C~4n56      
2021 05  10.419229 16 06 06.966  -03 28 02.37  22.1w 556130    F51  C~4n56      
2021 05  10.431227 16 06 06.913  -03 28 02.28  22.0w 556130    F51  C~4n56      
2021 05  10.443203 16 06 06.867  -03 28 01.84  21.8w 556130    F51  C~4n56      
2021 05  20.492458 16 05 07.014  -03 24 10.09  22.3w 556130    F51  C~4tto      
2021 05  20.514912 16 05 06.874  -03 24 09.42  22.2w 556130    F51  C~4tto      
2021 05  20.526118 16 05 06.809  -03 24 09.49  22.4w 556130    F51  C~4tto      
2021 05  31.364578 16 04 01.396  -03 21 02.28  22.2w 556130    F51  C~4tto      
2021 05  31.375823 16 04 01.321  -03 21 02.38  22.3w 556130    F51  C~4tto      
2021 05  31.387083 16 04 01.251  -03 21 02.02  22.3w 556130    F51  C~4tto      
2021 06  14.341343 16 02 40.108  -03 18 48.96  22.3w 556130    F51  C~4tto      
2021 06  14.355339 16 02 40.031  -03 18 48.90  22.0w 556130    F51  C~4tto      
2021 06  14.369271 16 02 39.942  -03 18 49.16  22.1w 556130    F51  C~4tto      
2021 06  14.383226 16 02 39.869  -03 18 49.10  22.0w 556130    F51  C~4tto      
2021 08  26.263581 15 59 43.158  -03 40 33.70  22.4w 556130    F51  C~527F      
2021 08  26.273939 15 59 43.202  -03 40 34.03  22.1w 556130    F51  C~527F      
2021 08  26.284303 15 59 43.212  -03 40 34.82  22.1w 556130    F51  C~527F      
2021 08  26.294662 15 59 43.223  -03 40 34.78  22.5w 556130    F51  C~527F      
2022 04  26.378580 16 16 31.099  -03 54 35.74  22.2G 556130    G37  C~5aTy      
2022 04  26.426720 16 16 30.830  -03 54 34.42        556130    G37  C~5aTy      
2022 04  26.452020 16 16 30.719  -03 54 33.53        556130    G37  C~5aTy      
2023 05  12.500100 16 24 16.947  -04 06 45.98  22.0w 556130    F51  C~6pen      
2023 05  12.510689 16 24 16.872  -04 06 45.75  22.0w 556130    F51  C~6pen      
2023 05  12.521280 16 24 16.818  -04 06 45.07  22.0w 556130    F51  C~6pen      
2023 05  12.534428 16 24 16.725  -04 06 45.00  21.8w 556130    F51  C~6pen      
2023 05  17.357370 16 23 48.233  -04 04 53.00  21.6G 556130    G37  C~6pen      
2023 05  17.409790 16 23 47.930  -04 04 52.37        556130    G37  C~6pen      

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     0.01       0.00     0.02
     2   0.0054      0.00    -0.01       0.00     0.13
     3   0.0054      0.00    -0.05       0.00     0.26
     4   0.0054      0.00    -0.02       0.00     0.06
     5   0.9667      0.00    -0.04       0.00     0.07
     6   0.9694      0.00    -0.31       0.00     0.27
     7   0.9995      0.00     0.13       0.00    -0.16
     8   0.9995      0.00    -0.03       0.00    -0.35
     9   1.0566      0.00    -0.25       0.00     0.14
    10   1.0567      0.00    -0.13       0.00     0.05
    11   1.0567      0.00    -0.05       0.00     0.12
    12   1.0567      0.00    -0.04       0.00     0.29
    13   1.9388      0.00    -0.02       0.00    -0.06
    14   1.9714      0.00     0.10       0.00    -0.05
    15   1.9715      0.00    -0.11       0.00    -0.29
    16   1.9715      0.00     0.49       0.00    -0.05
    17   1.9716      0.00     0.05       0.00    -0.37
    18   2.0341      0.00    -0.07       0.00     0.13
    19   2.0341      0.00    -0.10       0.00     0.03
    20   2.0342      0.00    -0.00       0.00     0.07
    21   2.0342      0.00     0.03       0.00     0.18
    22   2.0446      0.00     0.03       0.00     0.03
    23   2.0447      0.00    -0.02       0.00    -0.08
    24   2.0447      0.00     0.08       0.00    -0.09
    25   2.0447      0.00     0.12       0.00    -0.11
    26   2.2117      0.00     0.14       0.00    -0.30
    27   3.0527      0.00    -0.21       0.00     0.08
    28   3.0528      0.00     0.08       0.00    -0.02
    29   3.0609      0.00    -0.12       0.00     0.07
    30   3.0609      0.00    -0.05       0.00    -0.06
    31   3.0610      0.00    -0.20       0.00    -0.13
    32   3.0635      0.00     0.01       0.00     0.04
    33   3.0636      0.00     0.15       0.00     0.08
    34   3.0636      0.00     0.06       0.00     0.03
    35   3.0636      0.00    -0.01       0.00    -0.14
    36   3.0772      0.00     0.10       0.00    -0.27
    37   3.0772      0.00     0.16       0.00     0.17
    38   3.1702      0.00     0.24       0.00     0.06
    39   3.1702      0.00    -0.04       0.00     0.01
    40   3.1703      0.00    -0.04       0.00     0.16
    41   3.1703      0.00    -0.15       0.00    -0.10
    42   3.2548      0.00     0.20       0.00     0.24
    43   3.2549      0.00     0.11       0.00    -0.12
    44   3.2549      0.00     0.19       0.00     0.35
    45   3.2550      0.00     0.07       0.00    -0.02
    46   3.8417      0.00    -0.05       0.00     0.04
    47   3.9182      0.00     0.01       0.00    -0.04
    48   4.0628      0.00    -0.00       0.00     0.02
    49   4.1394      0.00    -0.01       0.00     0.01
    50   4.1421      0.00    -0.16       0.00     0.08
    51   4.1421      0.00     0.14       0.00    -0.15
    52   4.1421      0.00     0.24       0.00    -0.09
    53   4.1422      0.00     0.36       0.00    -0.05
    54   4.8192      0.00    -0.27       0.00    -0.15
    55   4.8491      0.00    -0.15       0.00     0.06
    56   4.8546      0.00     0.05       0.00    -0.04
    57   4.8547      0.00     0.15       0.00     0.01
    58   4.8547      0.00    -0.09       0.00    -0.06
    59   4.8547      0.00    -0.05       0.00    -0.02
    60   4.8684      0.00    -0.25       0.00    -0.73
    61   4.9257      0.00    -0.13       0.00    -0.22
    62   5.1525      0.00     0.22       0.00    -0.00
    63   5.1906      0.00    -0.10       0.00     0.18
    64   5.9414      0.00     0.03       0.00     0.24
    65   5.9414      0.00     0.24       0.00     0.11
    66   6.0532      0.00     0.01       0.00     0.04
    67   6.0532      0.00    -0.32       0.00     0.17
    68   6.0532      0.00     0.29       0.00    -0.08
    69   6.0533      0.00    -0.03       0.00    -0.23
    70   6.0806      0.00    -0.09       0.00     0.08
    71   6.0806      0.00    -0.09       0.00     0.03
    72   6.0806      0.00    -0.14       0.00    -0.06
    73   6.0806      0.00    -0.14       0.00    -0.07
    74   6.2009      0.00    -0.13       0.00     0.06
    75   7.0637      0.00     0.10       0.00     0.17
    76   7.0638      0.00    -0.15       0.00     0.02
    77   9.1496      0.00     0.12       0.00     0.12
    78   9.1497      0.00     0.16       0.00    -0.09
    79   9.1497      0.00     0.05       0.00    -0.04
    80  10.0341      0.00     0.10       0.00    -0.03
    81  10.0342      0.00    -0.35       0.00     0.14
    82  10.0342      0.00    -0.07       0.00    -0.08
    83  10.0342      0.00     0.30       0.00     0.06
    84  10.0617      0.00     0.05       0.00    -0.15
    85  10.0618      0.00     0.02       0.00     0.06
    86  10.0618      0.00     0.07       0.00    -0.23
    87  10.0915      0.00     0.13       0.00     0.15
    88  10.0915      0.00     0.03       0.00    -0.11
    89  10.0916      0.00     0.01       0.00     0.09
    90  10.1298      0.00    -0.08       0.00     0.36
    91  10.1298      0.00    -0.04       0.00     0.35
    92  10.1299      0.00    -0.19       0.00     0.02
    93  10.1299      0.00    -0.10       0.00     0.01
    94  10.3294      0.00    -0.39       0.00     0.18
    95  10.3295      0.00     0.03       0.00     0.22
    96  10.3295      0.00    -0.06       0.00    -0.19
    97  10.3295      0.00    -0.14       0.00     0.22
    98  10.9950      0.00     0.10       0.00    -0.02
    99  10.9952      0.00    -0.22       0.00    -0.20
   100  10.9952      0.00     0.07       0.00    -0.10
   101  12.0385      0.00     0.14       0.00    -0.08
   102  12.0385      0.00    -0.05       0.00    -0.11
   103  12.0386      0.00     0.09       0.00     0.31
   104  12.0386      0.00    -0.14       0.00     0.06
   105  12.0518      0.00     0.05       0.00    -0.05
   106  12.0519      0.00     0.29       0.00    -0.58

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.

556130    quality flag:3

Type:           3:2E      3:2E      3:2E

axisobj        39.092    39.092    39.092
ecceobj         0.257     0.257     0.257
incobj         16.843    16.843    16.843
qmin           28.067    28.066    28.069
qmax           51.400    51.401    51.398
amean          39.455    39.455    39.455
amin           39.042    39.049    39.058
amax           39.947    39.935    39.941
emean           0.246     0.246     0.246
emin            0.199     0.199     0.199
emax            0.287     0.287     0.287
imean          17.180    17.176    17.179
imin           15.435    15.433    15.437
imax           18.561    18.560    18.561
excite_mean     0.385     0.385     0.385
fracstop        1.000     1.000     1.000
cjmean          2.882     2.882     2.882

libcent 0       180.1     180.7     179.9
libamp  0        60.8      60.4      60.2
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        91.2      91.2      91.2
kozaiamp         38.3      38.3      38.4