Orbit Fit and Astrometric record for 531015

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: 531015    
# Created Sat May 30 01:07:53 2020
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   91 observations of   91
# Arc:   7.87y
# First observation: 2010/05/31
#  Last observation: 2018/04/13
# Chi-squared of fit:   146.76 DOF:  176 RMS:  0.22
# Min/Max residuals:    -0.79    0.78
# Exact a, adot, b, bdot, g, gdot:
  1.689009E-05  2.786789E-02 -4.062877E-06 -4.888759E-03  2.446370E-02  6.192399E-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
    1.428964  151.564311   -1.004080   -0.003463    0.136711  2455347.776556
# Heliocentric elements and errors
Epoch:              2455348.5000  =  2010/06/01
Mean Anomaly:           13.56578 +/-     0.000
Argument of Peri:      129.03042 +/-     0.000
Long of Asc Node:      341.00004 +/-     0.000
Inclination:            10.16417 +/-     0.000
Eccentricity:         0.49089595 +/-    0.0000
Semi-Major Axis:     73.01493474 +/-    0.0000
Time of Perihelion: 2446761.1701 +/-       0.0
Perihelion:          37.17219916 +/-    0.0000
Aphelion:           108.85767032 +/-    0.0000
Period (y)              623.9155 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -36.28811444 +/-    0.0000
Ecliptic Y           18.50766678 +/-    0.0000
Ecliptic Z            1.01924375 +/-    0.0000
Ecliptic XDOT        -0.00210476 +/-    0.0000
Ecliptic YDOT        -0.00240013 +/-    0.0000
Ecliptic ZDOT        -0.00052971 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   40.74782265 +/-    0.0000
Geocenter to KBO     40.87678235 +/-    0.0000
# Hcoef:  6.35

The following table shows the complete astrometric record for 531015. 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 (531015) followed by the observatory code and reference code for the source of the astrometry.

2010 05  31.27579  10 16 24.428  +12 15 11.30  22.7w 531015    F51  C~1w3p      
2010 05  31.28503  10 16 24.442  +12 15 11.45  22.0G 531015    F51  C~345m      
2010 06  01.27257  10 16 26.017  +12 14 56.76  22.4G 531015    F51  C~345m      
2010 06  01.27987  10 16 26.029  +12 14 56.83  21.9G 531015    F51  C~345m      
2011 02  03.56933  10 27 27.957  +11 01 56.25  20.7G 531015    F51  C~345m      
2011 02  03.59455  10 27 27.857  +11 01 57.10  22.5G 531015    F51  C~345m      
2011 02  03.60598  10 27 27.785  +11 01 57.87  22.2r 531015    F51  C~1w3p      
2011 02  04.58102  10 27 23.510  +11 02 19.73  22.0r 531015    F51  C~1w3p      
2011 02  04.59182  10 27 23.493  +11 02 20.12  22.3r 531015    F51  C~1w3p      
2011 02  05.58755  10 27 19.063  +11 02 43.30  22.2G 531015    F51  C~345m      
2012 01  21.44467  10 33 57.807  +10 06 05.99  22.7w 531015    F51  C~1w3p      
2012 01  21.45876  10 33 57.750  +10 06 06.11  22.5w 531015    F51  C~1w3p      
2012 01  21.58364  10 33 57.279  +10 06 08.88  22.3g 531015    F51  C~1w3p      
2012 02  03.57964  10 33 05.841  +10 10 42.69  22.5r 531015    F51  C~1w3p      
2012 02  16.51494  10 32 08.150  +10 15 47.88  22.5w 531015    F51  C~1w3p      
2012 02  16.52958  10 32 08.094  +10 15 47.99  22.6w 531015    F51  C~1w3p      
2012 02  16.54420  10 32 08.013  +10 15 48.23  22.3w 531015    F51  C~1w3p      
2012 02  16.55893  10 32 07.954  +10 15 48.64  22.9w 531015    F51  C~1w3p      
2012 12  27.57572  10 40 30.167  +09 09 58.43  21.9G 531015    F51  C~345m      
2013 02  02.56476  10 38 37.416  +09 19 50.97  22.3G 531015    F51  C~345m      
2013 02  02.57771  10 38 37.373  +09 19 50.54  22.6G 531015    F51  C~345m      
2013 02  13.53882  10 37 49.737  +09 24 05.25  22.0g 531015    F51  C~1w3p      
2013 02  13.56381  10 37 49.661  +09 24 05.30  21.0G 531015    F51  C~345m      
2013 02  14.39201  10 37 45.948  +09 24 25.57  22.4G 531015    F51  C~345m      
2013 02  14.40662  10 37 45.893  +09 24 26.01  22.2w 531015    F51  C~1w3p      
2013 02  14.42120  10 37 45.820  +09 24 26.17  22.5G 531015    F51  C~345m      
2013 02  14.43587  10 37 45.760  +09 24 26.81  22.3w 531015    F51  C~1w3p      
2014 02  10.42173  10 43 29.766  +08 32 21.90  21.5i 531015    F51  C~1w3p      
2014 02  10.43362  10 43 29.721  +08 32 22.47  21.8i 531015    F51  C~1w3p      
2014 02  26.38695  10 42 18.022  +08 38 47.96  22.4w 531015    F51  C~1w3p      
2014 04  04.24902  10 39 41.341  +08 52 31.87  22.4G 531015    F51  C~345m      
2014 06  19.28249  10 38 53.260  +08 53 02.47  22.3G 531015    F51  C~345m      
2014 11  27.56368  10 51 04.564  +07 31 57.62  22.4G 531015    F51  C~345m      
2015 01  16.48328  10 50 20.992  +07 34 14.40  22.5G 531015    F51  C~345m      
2015 01  16.49475  10 50 20.961  +07 34 14.41  23.2G 531015    F51  C~345m      
2015 01  16.50614  10 50 20.919  +07 34 14.47  23.2G 531015    F51  C~345m      
2015 01  16.51755  10 50 20.884  +07 34 14.93  22.4G 531015    F51  C~345m      
2015 01  18.48019  10 50 14.986  +07 34 45.64  22.8G 531015    F51  C~345m      
2015 01  18.49308  10 50 14.930  +07 34 46.10  22.7G 531015    F51  C~345m      
2015 01  18.51897  10 50 14.875  +07 34 46.16  23.5G 531015    F51  C~345m      
2015 04  22.26064  10 44 07.305  +08 07 24.36  22.0G 531015    F51  C~345m      
2015 04  22.27312  10 44 07.266  +08 07 24.53  23.4G 531015    F51  C~345m      
2015 04  22.28565  10 44 07.224  +08 07 25.50  22.3G 531015    F51  C~345m      
2015 04  22.29824  10 44 07.198  +08 07 25.14  22.3G 531015    F51  C~345m      
2015 06  18.28248  10 44 01.783  +08 05 10.36  21.8G 531015    F51  C~345m      
2015 11  23.63063  10 56 01.819  +06 44 37.13  22.5G 531015    F51  C~345m      
2015 12  23.57905  10 56 16.517  +06 41 38.89  23.1G 531015    F51  C~345m      
2016 01  04.59631  10 55 59.856  +06 42 46.06  22.6G 531015    F51  C~345m      
2016 01  04.60835  10 55 59.838  +06 42 46.32  22.3G 531015    F51  C~345m      
2016 01  04.62040  10 55 59.811  +06 42 46.16  22.8G 531015    F51  C~345m      
2016 01  04.63246  10 55 59.787  +06 42 46.23  23.1G 531015    F51  C~345m      
2016 01  14.61176  10 55 36.955  +06 44 38.00  22.7G 531015    F51  C~345m      
2016 01  14.62298  10 55 36.908  +06 44 37.89  22.4G 531015    F51  C~345m      
2016 01  14.63425  10 55 36.910  +06 44 37.83  22.6G 531015    F51  C~345m      
2016 01  14.64549  10 55 36.845  +06 44 37.91  22.9G 531015    F51  C~345m      
2016 01  17.57770  10 55 28.706  +06 45 19.43  22.6G 531015    F51  C~345m      
2016 01  17.58977  10 55 28.669  +06 45 19.68  22.3G 531015    F51  C~345m      
2016 01  17.60181  10 55 28.656  +06 45 19.86  22.3G 531015    F51  C~345m      
2016 01  17.61380  10 55 28.623  +06 45 19.85  22.6G 531015    F51  C~345m      
2016 01  21.66792  10 55 16.406  +06 46 24.03  21.3G 531015    F51  C~345m      
2016 02  06.48463  10 54 19.548  +06 51 26.48  22.6G 531015    F51  C~345m      
2016 02  06.49783  10 54 19.489  +06 51 26.62  22.5G 531015    F51  C~345m      
2016 02  06.51113  10 54 19.428  +06 51 26.46  22.4G 531015    F51  C~345m      
2016 02  06.52441  10 54 19.412  +06 51 26.93  23.2G 531015    F51  C~345m      
2016 03  07.34105  10 52 09.365  +07 03 18.43  22.2G 531015    F51  C~345m      
2016 03  07.35270  10 52 09.307  +07 03 19.04  21.6G 531015    F51  C~345m      
2016 03  07.36433  10 52 09.292  +07 03 18.91  22.7G 531015    F51  C~345m      
2016 03  07.37606  10 52 09.235  +07 03 19.44  22.3G 531015    F51  C~345m      
2016 12  13.58752  11 01 20.850  +05 53 41.72  23.4G 531015    F51  C~345m      
2017 01  02.57475  11 01 04.744  +05 54 15.93  21.7G 531015    F51  C~345m      
2017 01  02.58652  11 01 04.741  +05 54 16.20  22.6G 531015    F51  C~345m      
2017 01  02.59825  11 01 04.730  +05 54 16.16  23.1G 531015    F51  C~345m      
2017 01  02.61002  11 01 04.700  +05 54 16.02  23.2G 531015    F51  C~345m      
2017 02  16.52097  10 58 41.749  +06 06 40.94  23.0G 531015    F51  C~345m      
2017 03  18.29255  10 56 30.781  +06 18 46.74  22.3G 531015    F51  C~345m      
2017 03  18.30423  10 56 30.735  +06 18 47.10  22.7G 531015    F51  C~345m      
2017 03  18.31586  10 56 30.662  +06 18 47.17  22.4G 531015    F51  C~345m      
2017 03  18.32758  10 56 30.635  +06 18 47.58  22.4G 531015    F51  C~345m      
2017 03  22.31832  10 56 13.761  +06 20 21.31  22.9G 531015    F51  C~345m      
2017 03  22.33094  10 56 13.680  +06 20 21.87  23.0G 531015    F51  C~345m      
2017 03  22.34357  10 56 13.631  +06 20 22.04  23.5G 531015    F51  C~345m      
2017 12  29.60249  11 06 07.187  +05 06 13.59  23.0G 531015    F51  C~345m      
2017 12  29.61449  11 06 07.177  +05 06 13.64  22.5G 531015    F51  C~345m      
2017 12  29.62650  11 06 07.165  +05 06 13.69  23.0G 531015    F51  C~345m      
2017 12  29.63850  11 06 07.143  +05 06 13.55  22.7G 531015    F51  C~345m      
2018 03  10.39254  11 02 08.708  +05 27 13.72  21.4G 531015    F51  C~345m      
2018 03  18.35270  11 01 34.103  +05 30 28.01  22.5G 531015    F51  C~345m      
2018 03  18.36503  11 01 34.033  +05 30 28.39  22.6G 531015    F51  C~345m      
2018 03  18.37724  11 01 33.958  +05 30 28.53  22.3G 531015    F51  C~345m      
2018 03  18.38945  11 01 33.932  +05 30 28.97  22.2G 531015    F51  C~345m      
2018 04  13.33501  10 59 54.614  +05 39 47.04  22.3G 531015    F51  C~345m      

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     0.29       0.00     0.09
  2   0.0000      0.00     0.29       0.00     0.37
  3   0.0027      0.00    -0.32       0.00    -0.09
  4   0.0027      0.00    -0.31       0.00     0.08
  5   0.6798      0.00     0.05       0.00    -0.35
  6   0.6799      0.00     0.23       0.00    -0.08
  7   0.6799      0.00    -0.08       0.00     0.43
  8   0.6826      0.00    -0.06       0.00    -0.23
  9   0.6826      0.00     0.41       0.00    -0.09
 10   0.6853      0.00     0.01       0.00    -0.07
 11   1.6432      0.00     0.02       0.00     0.09
 12   1.6432      0.00    -0.06       0.00    -0.06
 13   1.6436      0.00    -0.20       0.00     0.30
 14   1.6791      0.00     0.06       0.00     0.26
 15   1.7145      0.00     0.06       0.00     0.11
 16   1.7146      0.00     0.25       0.00    -0.14
 17   1.7146      0.00     0.06       0.00    -0.25
 18   1.7147      0.00     0.22       0.00    -0.20
 19   2.5771      0.00    -0.58       0.00     0.32
 20   2.6784      0.00    -0.02       0.00     0.43
 21   2.6784      0.00     0.16       0.00    -0.29
 22   2.7085      0.00    -0.79       0.00     0.05
 23   2.7085      0.00    -0.22       0.00    -0.49
 24   2.7108      0.00    -0.10       0.00    -0.15
 25   2.7108      0.00     0.08       0.00    -0.07
 26   2.7109      0.00    -0.01       0.00    -0.26
 27   2.7109      0.00     0.10       0.00     0.03
 28   3.6992      0.00    -0.30       0.00    -0.09
 29   3.6993      0.00    -0.19       0.00     0.20
 30   3.7429      0.00    -0.03       0.00    -0.26
 31   3.8439      0.00     0.34       0.00     0.35
 32   4.0520      0.00    -0.04       0.00    -0.04
 33   4.4936      0.00    -0.44       0.00    -0.01
 34   4.6303      0.00     0.04       0.00    -0.01
 35   4.6303      0.00     0.10       0.00    -0.17
 36   4.6303      0.00    -0.02       0.00    -0.28
 37   4.6304      0.00    -0.03       0.00     0.00
 38   4.6357      0.00    -0.07       0.00     0.04
 39   4.6358      0.00    -0.31       0.00     0.29
 40   4.6358      0.00     0.09       0.00    -0.07
 41   4.8925      0.00     0.26       0.00    -0.06
 42   4.8925      0.00     0.15       0.00    -0.04
 43   4.8926      0.00    -0.01       0.00     0.78
 44   4.8926      0.00     0.08       0.00     0.27
 45   5.0486      0.00     0.32       0.00     0.17
 46   5.4821      0.00     0.04       0.00    -0.10
 47   5.5641      0.00     0.02       0.00    -0.14
 48   5.5970      0.00    -0.06       0.00    -0.10
 49   5.5971      0.00     0.03       0.00     0.05
 50   5.5971      0.00    -0.02       0.00    -0.21
 51   5.5971      0.00    -0.02       0.00    -0.25
 52   5.6245      0.00     0.24       0.00     0.34
 53   5.6245      0.00     0.00       0.00     0.08
 54   5.6245      0.00     0.50       0.00    -0.14
 55   5.6246      0.00    -0.02       0.00    -0.21
 56   5.6326      0.00    -0.17       0.00    -0.08
 57   5.6326      0.00    -0.19       0.00    -0.01
 58   5.6327      0.00     0.15       0.00    -0.01
 59   5.6327      0.00     0.19       0.00    -0.19
 60   5.6438      0.00     0.27       0.00     0.78
 61   5.6871      0.00     0.09       0.00     0.13
 62   5.6871      0.00     0.01       0.00    -0.01
 63   5.6872      0.00    -0.10       0.00    -0.46
 64   5.6872      0.00     0.48       0.00    -0.28
 65   5.7688      0.00    -0.32       0.00    -0.10
 66   5.7689      0.00    -0.39       0.00     0.22
 67   5.7689      0.00     0.18       0.00    -0.20
 68   5.7689      0.00     0.13       0.00     0.04
 69   6.5388      0.00     0.04       0.00    -0.30
 70   6.5936      0.00    -0.24       0.00    -0.04
 71   6.5936      0.00     0.02       0.00     0.14
 72   6.5936      0.00     0.17       0.00     0.02
 73   6.5937      0.00     0.03       0.00    -0.20
 74   6.7166      0.00     0.09       0.00    -0.04
 75   6.7981      0.00    -0.11       0.00    -0.05
 76   6.7982      0.00    -0.04       0.00     0.03
 77   6.7982      0.00    -0.37       0.00    -0.18
 78   6.7982      0.00    -0.01       0.00    -0.05
 79   6.8092      0.00     0.08       0.00    -0.01
 80   6.8092      0.00    -0.33       0.00     0.25
 81   6.8092      0.00    -0.26       0.00     0.13
 82   7.5820      0.00    -0.12       0.00     0.05
 83   7.5820      0.00    -0.04       0.00     0.05
 84   7.5821      0.00     0.01       0.00     0.05
 85   7.5821      0.00    -0.09       0.00    -0.13
 86   7.7758      0.00    -0.06       0.00     0.51
 87   7.7976      0.00     0.24       0.00    -0.05
 88   7.7976      0.00    -0.01       0.00     0.04
 89   7.7977      0.00    -0.33       0.00    -0.12
 90   7.7977      0.00     0.08       0.00     0.03
 91   7.8687      0.00     0.38       0.00     0.06

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.

531015    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        73.681    73.682    73.681
ecceobj         0.495     0.495     0.495
incobj         10.156    10.156    10.156
qmin           36.230    36.330    36.293
qmax          115.218   113.389   112.786
amean          74.095    73.636    73.327
amin           72.370    72.229    72.180
amax           76.242    75.277    74.903
emean           0.498     0.494     0.492
emin            0.481     0.480     0.479
emax            0.514     0.507     0.506
imean          11.023    11.093    11.112
imin           10.361    10.393    10.424
imax           11.749    11.792    11.892
excite_mean     0.534     0.530     0.528
fracstop        1.000     1.000     1.000
cjmean          3.076     3.076     3.076

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       192.8     169.4     205.1
kozaiamp        179.9     180.0     180.0