Orbit Fit and Astrometric record for 531076

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: 531076    
# Created Sun Sep 25 01:08:39 2022
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     89 observations of     89
# Arc:  10.11y
# First observation: 2011/04/01
#  Last observation: 2021/05/12
# Chi-squared of fit:   203.69 DOF:    172 RMS:  0.27
# Min/Max residuals:    -0.70    1.68
# Exact a, adot, b, bdot, g, gdot:
  1.787456E-05  2.456864E-02 -8.510107E-06 -8.904144E-04  2.474823E-02 -2.506321E-04
# 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
    2.539375 -173.455688   -0.080021    0.044271   -0.999012  2455652.913936
# Heliocentric elements and errors
Epoch:              2455652.5000  =  2011/04/01
Mean Anomaly:          345.94131 +/-     0.000
Argument of Peri:      145.03569 +/-     0.000
Long of Asc Node:       56.54192 +/-     0.000
Inclination:             3.23864 +/-     0.000
Eccentricity:         0.03140092 +/-    0.0000
Semi-Major Axis:     42.70009024 +/-    0.0000
Time of Perihelion: 2459632.5075 +/-       0.0
Perihelion:          41.35926826 +/-    0.0000
Aphelion:            44.04091222 +/-    0.0000
Period (y)              279.0303 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -41.08443647 +/-    0.0000
Ecliptic Y           -4.79507047 +/-    0.0000
Ecliptic Z            1.78994310 +/-    0.0000
Ecliptic XDOT         0.00033133 +/-    0.0000
Ecliptic YDOT        -0.00269163 +/-    0.0000
Ecliptic ZDOT        -0.00009961 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.40202807 +/-    0.0000
Geocenter to KBO     40.40696979 +/-    0.0000
# Hcoef:  6.77

The following table shows the complete astrometric record for 531076. 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 (531076) followed by the observatory code and reference code for the source of the astrometry.

2011 04  01.41317  12 28 03.049  -00 15 57.25  22.5w 531076    F51  C~1w3p      
2012 02  28.53053  12 35 26.794  -01 07 11.48  23.0w 531076    F51  C~1w3p      
2012 02  28.54495  12 35 26.741  -01 07 11.09  23.3w 531076    F51  C~1w3p      
2012 02  28.55939  12 35 26.682  -01 07 10.46  23.2w 531076    F51  C~1w3p      
2012 04  12.34319  12 32 15.610  -00 46 42.65  22.8w 531076    F51  C~1w3p      
2012 04  12.35713  12 32 15.546  -00 46 42.25  23.0w 531076    F51  C~1w3p      
2012 04  12.37113  12 32 15.482  -00 46 41.77  22.9w 531076    F51  C~1w3p      
2012 06  06.24432  12 29 27.007  -00 31 27.10  22.0G 531076    F51  C~345o      
2013 01  10.61744  12 42 09.192  -01 55 44.86  23.0G 531076    F51  C~345o      
2013 03  19.50355  12 39 09.586  -01 34 11.88  22.2w 531076    F51  C~1w3p      
2013 03  19.51900  12 39 09.561  -01 34 11.63  22.0w 531076    F51  C~1w3p      
2013 03  19.53443  12 39 09.492  -01 34 11.35  22.2w 531076    F51  C~1w3p      
2013 04  11.36790  12 37 26.317  -01 23 23.77  22.6w 531076    F51  C~1w3p      
2013 04  11.36856  12 37 26.316  -01 23 23.39  22.7w 531076    F51  C~1w3p      
2013 04  11.38224  12 37 26.263  -01 23 22.92  22.4w 531076    F51  C~1w3p      
2013 04  17.31363  12 37 00.215  -01 20 45.79  22.5G 531076    F51  C~345o      
2014 02  26.51509  12 45 41.784  -02 19 47.91  22.7w 531076    F51  C~1w3p      
2014 02  26.52746  12 45 41.733  -02 19 47.32  23.2G 531076    F51  C~345o      
2014 02  26.53982  12 45 41.666  -02 19 47.47  22.8G 531076    F51  C~345o      
2014 03  06.45996  12 45 11.692  -02 16 25.67  22.7G 531076    F51  C~345o      
2014 04  04.43926  12 43 04.726  -02 02 51.29  23.3G 531076    F51  C~345o      
2014 04  23.36438  12 41 41.272  -01 54 25.68  22.7G 531076    F51  C~345o      
2014 04  29.30705  12 41 17.150  -01 52 05.48  22.1G 531076    F51  C~345o      
2014 04  29.31900  12 41 17.113  -01 52 05.49  23.0G 531076    F51  C~345o      
2014 04  29.33097  12 41 17.056  -01 52 05.49  22.6G 531076    F51  C~345o      
2014 04  29.34296  12 41 17.018  -01 52 04.98  22.7G 531076    F51  C~345o      
2015 01  23.54450  12 52 05.706  -03 05 21.50  22.9G 531076    F51  C~345o      
2015 01  23.55987  12 52 05.697  -03 05 21.47  23.0G 531076    F51  C~345o      
2015 01  23.57525  12 52 05.655  -03 05 21.25  22.7G 531076    F51  C~345o      
2015 01  23.59064  12 52 05.658  -03 05 21.26  22.8G 531076    F51  C~345o      
2015 01  25.55214  12 52 03.733  -03 05 03.32  22.9G 531076    F51  C~345o      
2015 02  15.55948  12 51 22.638  -02 59 48.94  22.8G 531076    F51  C~345o      
2015 02  16.50572  12 51 20.012  -02 59 30.21  23.6G 531076    F51  C~345o      
2015 02  16.51843  12 51 19.972  -02 59 30.31  23.3G 531076    F51  C~345o      
2015 02  16.53111  12 51 19.915  -02 59 29.71  23.2G 531076    F51  C~345o      
2015 02  16.54380  12 51 19.884  -02 59 29.53  23.0G 531076    F51  C~345o      
2015 02  27.54566  12 50 44.538  -02 55 25.49  22.9G 531076    F51  C~345o      
2015 02  27.57073  12 50 44.430  -02 55 24.74  23.2G 531076    F51  C~345o      
2015 02  27.58327  12 50 44.410  -02 55 24.79  22.5G 531076    F51  C~345o      
2015 03  30.39927  12 48 35.660  -02 41 30.07  22.5G 531076    F51  C~345o      
2015 04  13.38925  12 47 32.147  -02 34 59.13  22.3G 531076    F51  C~345o      
2015 04  13.40009  12 47 32.102  -02 34 58.63  22.0G 531076    F51  C~345o      
2015 04  13.41091  12 47 32.053  -02 34 58.63  22.4G 531076    F51  C~345o      
2015 04  13.42187  12 47 31.982  -02 34 57.99  22.2G 531076    F51  C~345o      
2016 01  18.61187  12 57 11.019  -03 41 19.80  22.3G 531076    F51  C~345o      
2016 01  18.62373  12 57 11.018  -03 41 19.21  22.9G 531076    F51  C~345o      
2016 01  18.63561  12 57 11.008  -03 41 19.31  23.2G 531076    F51  C~345o      
2016 01  18.64749  12 57 11.007  -03 41 19.42  23.9G 531076    F51  C~345o      
2016 03  10.41374  12 55 06.759  -03 26 27.35  22.0G 531076    F51  C~345o      
2016 03  10.42601  12 55 06.730  -03 26 26.97  22.6G 531076    F51  C~345o      
2016 03  10.43823  12 55 06.680  -03 26 26.44  22.3G 531076    F51  C~345o      
2016 03  10.45046  12 55 06.613  -03 26 26.21  23.2G 531076    F51  C~345o      
2016 03  13.43443  12 54 54.324  -03 25 06.62  22.9G 531076    F51  C~345o      
2016 03  13.44949  12 54 54.240  -03 25 06.25  22.4G 531076    F51  C~345o      
2016 03  13.46453  12 54 54.182  -03 25 05.71  22.9G 531076    F51  C~345o      
2016 03  13.47960  12 54 54.137  -03 25 05.47  22.8G 531076    F51  C~345o      
2016 04  02.38617  12 53 26.086  -03 15 49.32  23.3G 531076    F51  C~345o      
2016 04  02.39785  12 53 26.030  -03 15 48.87  23.5G 531076    F51  C~345o      
2016 04  02.41235  12 53 25.966  -03 15 48.86  23.2G 531076    F51  C~345o      
2016 04  02.42427  12 53 25.892  -03 15 48.52  22.9G 531076    F51  C~345o      
2016 04  02.43620  12 53 25.844  -03 15 48.07  23.8G 531076    F51  C~345o      
2016 04  02.44818  12 53 25.801  -03 15 47.71  23.2G 531076    F51  C~345o      
2016 04  10.35474  12 52 49.768  -03 12 07.06  22.6G 531076    F51  C~345o      
2016 04  10.36767  12 52 49.719  -03 12 06.45  23.2G 531076    F51  C~345o      
2016 04  10.38080  12 52 49.634  -03 12 06.11  22.5G 531076    F51  C~345o      
2016 04  10.39398  12 52 49.590  -03 12 05.80  22.9G 531076    F51  C~345o      
2016 04  10.45443  12 52 49.256  -03 12 03.70  23.0G 531076    F51  C~345o      
2016 04  10.46748  12 52 49.217  -03 12 03.94  22.4G 531076    F51  C~345o      
2016 04  10.48074  12 52 49.134  -03 12 03.39  22.6G 531076    F51  C~345o      
2016 04  10.49396  12 52 49.120  -03 12 02.96  22.8G 531076    F51  C~345o      
2017 01  30.58026  13 02 03.908  -04 14 59.39  22.9G 531076    F51  C~345o      
2017 02  21.53002  13 01 15.170  -04 09 06.00  23.3G 531076    F51  C~345o      
2017 02  22.57805  13 01 11.932  -04 08 43.37  23.3G 531076    F51  C~345o      
2017 03  27.47288  12 59 02.078  -03 54 42.77  23.5G 531076    F51  C~345o      
2017 04  20.36048  12 57 13.978  -03 43 46.85  23.0G 531076    F51  C~345o      
2017 04  28.36207  12 56 39.753  -03 40 26.80  21.2G 531076    F51  C~345o      
2018 03  18.52402  13 04 50.747  -04 34 47.03  20.6G 531076    F51  C~345o      
2018 04  13.41703  13 02 54.451  -04 22 52.73  23.3G 531076    F51  C~345o      
2018 04  13.42903  13 02 54.399  -04 22 52.08  23.2G 531076    F51  C~345o      
2018 04  13.44101  13 02 54.360  -04 22 51.42  22.5G 531076    F51  C~345o      
2018 05  20.148590 13 00 27.43   -04 08 54.7   23.2G 531076    705  C~2rA4      
2018 05  20.204720 13 00 27.27   -04 08 54.0   22.6G 531076    705  C~2rA4      
2018 05  20.260280 13 00 27.08   -04 08 52.7   22.9G 531076    705  C~2rA4      
2021 03  20.377760 13 20 07.958  -06 20 14.04  22.9G 531076    G37  C~4mlw      
2021 03  20.424620 13 20 07.763  -06 20 12.86        531076    G37  C~4mlw      
2021 03  20.473460 13 20 07.553  -06 20 11.32        531076    G37  C~4mlw      
2021 05  12.196460 13 16 15.834  -05 57 41.85  23.1G 531076    G37  C~4q1y      
2021 05  12.248320 13 16 15.631  -05 57 40.81        531076    G37  C~4q1y      
2021 05  12.295500 13 16 15.456  -05 57 39.85        531076    G37  C~4q1y      

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     0.23       0.00     1.68
     2   0.9120      0.00     0.24       0.00    -0.12
     3   0.9121      0.00     0.29       0.00    -0.10
     4   0.9121      0.00     0.24       0.00     0.15
     5   1.0320      0.00     0.20       0.00     0.07
     6   1.0320      0.00     0.18       0.00     0.10
     7   1.0321      0.00     0.16       0.00     0.20
     8   1.1823      0.00    -0.26       0.00     1.03
     9   1.7802      0.00    -0.40       0.00    -0.41
    10   1.9660      0.00    -0.53       0.00    -0.15
    11   1.9661      0.00     0.15       0.00    -0.34
    12   1.9661      0.00     0.16       0.00    -0.51
    13   2.0286      0.00     0.18       0.00    -0.35
    14   2.0286      0.00     0.21       0.00     0.01
    15   2.0287      0.00     0.35       0.00     0.11
    16   2.0449      0.00    -0.24       0.00    -0.05
    17   2.9079      0.00     0.15       0.00    -0.05
    18   2.9079      0.00     0.06       0.00     0.24
    19   2.9079      0.00    -0.26       0.00    -0.21
    20   2.9296      0.00     0.03       0.00    -0.23
    21   3.0090      0.00    -0.06       0.00     0.21
    22   3.0608      0.00    -0.14       0.00     0.75
    23   3.0771      0.00     0.01       0.00     0.18
    24   3.0771      0.00     0.18       0.00    -0.10
    25   3.0771      0.00     0.04       0.00    -0.37
    26   3.0772      0.00     0.20       0.00    -0.14
    27   3.8142      0.00     0.03       0.00     0.04
    28   3.8142      0.00     0.12       0.00    -0.06
    29   3.8143      0.00    -0.28       0.00     0.03
    30   3.8143      0.00    -0.01       0.00    -0.12
    31   3.8197      0.00     0.01       0.00    -0.15
    32   3.8772      0.00    -0.40       0.00     0.16
    33   3.8798      0.00     0.08       0.00     0.00
    34   3.8798      0.00     0.04       0.00    -0.35
    35   3.8799      0.00    -0.25       0.00    -0.01
    36   3.8799      0.00    -0.16       0.00    -0.08
    37   3.9100      0.00     0.16       0.00    -0.20
    38   3.9101      0.00    -0.09       0.00    -0.05
    39   3.9101      0.00     0.29       0.00    -0.40
    40   3.9945      0.00     0.16       0.00    -0.29
    41   4.0328      0.00     0.01       0.00    -0.26
    42   4.0328      0.00     0.08       0.00    -0.05
    43   4.0328      0.00     0.08       0.00    -0.34
    44   4.0329      0.00    -0.23       0.00     0.00
    45   4.8000      0.00    -0.05       0.00    -0.37
    46   4.8000      0.00     0.00       0.00     0.16
    47   4.8001      0.00    -0.08       0.00     0.00
    48   4.8001      0.00    -0.03       0.00    -0.16
    49   4.9418      0.00    -0.11       0.00    -0.04
    50   4.9419      0.00     0.21       0.00     0.02
    51   4.9419      0.00     0.22       0.00     0.22
    52   4.9419      0.00    -0.02       0.00     0.13
    53   4.9501      0.00    -0.08       0.00     0.01
    54   4.9501      0.00    -0.38       0.00    -0.02
    55   4.9502      0.00    -0.29       0.00     0.11
    56   4.9502      0.00    -0.00       0.00    -0.05
    57   5.0047      0.00    -0.05       0.00    -0.05
    58   5.0047      0.00    -0.07       0.00     0.08
    59   5.0048      0.00    -0.02       0.00    -0.32
    60   5.0048      0.00    -0.30       0.00    -0.32
    61   5.0049      0.00    -0.19       0.00    -0.21
    62   5.0049      0.00     0.00       0.00    -0.18
    63   5.0265      0.00     0.08       0.00    -0.21
    64   5.0266      0.00     0.24       0.00     0.05
    65   5.0266      0.00    -0.12       0.00     0.02
    66   5.0266      0.00     0.13       0.00    -0.03
    67   5.0268      0.00    -0.69       0.00     0.41
    68   5.0268      0.00    -0.37       0.00    -0.19
    69   5.0269      0.00    -0.70       0.00    -0.00
    70   5.0269      0.00     0.00       0.00     0.06
    71   5.8348      0.00    -0.15       0.00    -0.10
    72   5.8949      0.00     0.04       0.00    -0.66
    73   5.8978      0.00    -0.02       0.00    -0.07
    74   5.9878      0.00     0.06       0.00     0.36
    75   6.0532      0.00    -0.21       0.00     0.07
    76   6.0752      0.00    -0.12       0.00     0.22
    77   6.9627      0.00    -0.06       0.00     0.22
    78   7.0335      0.00     0.05       0.00    -0.13
    79   7.0336      0.00     0.10       0.00     0.19
    80   7.0336      0.00     0.35       0.00     0.53
    81   7.1341      0.00     0.10       0.00    -0.02
    82   7.1343      0.00     0.40       0.00    -0.25
    83   7.1344      0.00     0.22       0.00     0.14
    84   9.9684      0.00    -0.05       0.00     0.15
    85   9.9685      0.00     0.04       0.00     0.12
    86   9.9687      0.00     0.02       0.00     0.40
    87  10.1130      0.00     0.15       0.00     0.17
    88  10.1132      0.00     0.14       0.00     0.12
    89  10.1133      0.00     0.26       0.00     0.10

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.

531076    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        42.680    42.680    42.680
ecceobj         0.030     0.030     0.030
incobj          3.239     3.239     3.239
qmin           40.609    40.612    40.607
qmax           45.416    45.404    45.427
amean          42.916    42.916    42.916
amin           42.588    42.588    42.589
amax           43.248    43.247    43.248
emean           0.030     0.030     0.030
emin            0.011     0.011     0.011
emax            0.051     0.050     0.051
imean           1.715     1.715     1.715
imin            0.686     0.686     0.686
imax            2.635     2.635     2.635
excite_mean     0.043     0.043     0.043
fracstop        1.000     1.000     1.000
cjmean          3.086     3.086     3.086

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       173.5     173.5     173.5
kozaiamp        179.9     180.0     179.9