Orbit Fit and Astrometric record for 523672

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: 523672    
# Created Tue Nov 30 02:07:46 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     81 observations of     81
# Arc:   9.33y
# First observation: 2012/01/07
#  Last observation: 2021/05/08
# Chi-squared of fit:   302.21 DOF:    156 RMS:  0.34
# Min/Max residuals:    -1.04    0.95
# Exact a, adot, b, bdot, g, gdot:
  2.043153E-05  3.611261E-02  9.971295E-06  1.364719E-02  3.407102E-02 -1.670779E-02
# 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
   -6.895514  169.338086    0.872323   -0.054376   -0.449730  2455934.159376
# Heliocentric elements and errors
Epoch:              2455934.5000  =  2012/01/08
Mean Anomaly:          313.38456 +/-     0.000
Argument of Peri:       78.71625 +/-     0.000
Long of Asc Node:      184.88944 +/-     0.000
Inclination:            21.87888 +/-     0.000
Eccentricity:         0.44149638 +/-    0.0000
Semi-Major Axis:     34.97605605 +/-    0.0000
Time of Perihelion: 2465717.7237 +/-       0.0
Perihelion:          19.53425380 +/-    0.0000
Aphelion:            50.41785830 +/-    0.0000
Period (y)              206.8543 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -28.91584146 +/-    0.0000
Ecliptic Y            6.33280480 +/-    0.0000
Ecliptic Z           -3.52350978 +/-    0.0000
Ecliptic XDOT         0.00063926 +/-    0.0000
Ecliptic YDOT        -0.00306946 +/-    0.0000
Ecliptic ZDOT         0.00124999 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   29.81039602 +/-    0.0000
Geocenter to KBO     29.35070821 +/-    0.0000
# Hcoef:  7.63

The following table shows the complete astrometric record for 523672. 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 (523672) followed by the observatory code and reference code for the source of the astrometry.

2012 01  07.65861  11 10 00.215  -02 07 32.18  18.6G 523672    F51  C~2jhA      
2012 01  07.66306  11 10 00.201  -02 07 31.63  18.4G 523672    F51  C~2jhA      
2012 03  20.36021  11 03 50.092  -01 26 03.26  23.2G 523672    F51  C~2jhA      
2012 03  20.37482  11 03 49.996  -01 26 02.92  22.3G 523672    F51  C~2jhA      
2012 03  20.38947  11 03 49.920  -01 26 01.99  23.0G 523672    F51  C~2jhA      
2013 03  16.09813  11 13 22.94   -01 34 39.1   22.6r 523672    W84  C~2J9e      
2013 03  16.16725  11 13 22.50   -01 34 35.7         523672    W84  C~2J9e      
2013 03  16.23751  11 13 22.06   -01 34 32.2         523672    W84  C~2J9e      
2013 04  03.33913  11 11 35.829  -01 19 30.89  20.9G 523672    F51  C~2jhA      
2013 04  03.35425  11 11 35.739  -01 19 30.31  21.7G 523672    F51  C~2jhA      
2013 05  07.97839  11 09 17.402  -00 54 34.87  22.1r 523672    807  C~1LLf      
2013 05  07.99901  11 09 17.345  -00 54 34.33        523672    807  C~1LLf      
2013 05  09.00539  11 09 15.142  -00 53 59.67        523672    807  C~1LLf      
2014 02  28.45322  11 24 30.005  -01 52 32.80  22.8G 523672    F51  C~2jhA      
2014 02  28.46529  11 24 29.928  -01 52 32.33  22.5G 523672    F51  C~2jhA      
2014 02  28.48944  11 24 29.787  -01 52 31.15  22.6G 523672    F51  C~2jhA      
2014 03  02.09273  11 24 19.87   -01 51 15.7   21.1g 523672    W84  C~2TH2      
2014 03  02.18507  11 24 19.29   -01 51 11.5   21.4g 523672    W84  C~2TH2      
2014 03  02.27557  11 24 18.71   -01 51 07.5   20.0g 523672    W84  C~2TH2      
2014 03  02.37144  11 24 18.12   -01 51 03.0   21.7g 523672    W84  C~2TH2      
2014 03  02.39340  11 24 17.98   -01 51 01.6   21.9g 523672    W84  C~2TH2      
2014 03  03.08253  11 24 13.71   -01 50 29.4   22.0g 523672    W84  C~2TH2      
2014 03  03.17428  11 24 13.13   -01 50 25.1   23.2g 523672    W84  C~2TH2      
2014 03  03.27459  11 24 12.48   -01 50 20.4   21.2g 523672    W84  C~2TH2      
2014 03  03.37789  11 24 11.82   -01 50 15.3   22.0g 523672    W84  C~2TH2      
2014 03  04.08372  11 24 07.45   -01 49 42.0   21.9g 523672    W84  C~2TH2      
2014 03  04.17731  11 24 06.85   -01 49 37.5   21.3g 523672    W84  C~2TH2      
2014 03  04.26791  11 24 06.27   -01 49 33.3   22.1g 523672    W84  C~2TH2      
2014 03  04.37188  11 24 05.60   -01 49 28.2   22.5g 523672    W84  C~2TH2      
2014 03  04.39386  11 24 05.48   -01 49 26.9   23.0g 523672    W84  C~2TH2      
2014 03  05.08138  11 24 01.20   -01 48 54.4   22.7g 523672    W84  C~2TH2      
2014 03  05.19133  11 24 00.50   -01 48 49.1   21.7g 523672    W84  C~2TH2      
2014 03  05.28463  11 23 59.88   -01 48 44.6   21.3g 523672    W84  C~2TH2      
2014 03  05.37916  11 23 59.30   -01 48 40.1   22.4g 523672    W84  C~2TH2      
2014 04  28.32724  11 19 02.941  -01 05 10.49  22.5G 523672    F51  C~2jhA      
2014 04  30.98902  11 18 53.665  -01 03 22.07  22.1r 523672    304  C~1LLf      
2014 05  01.97679  11 18 50.396  -01 02 43.16        523672    304  C~1LLf      
2014 05  24.28802  11 18 06.686  -00 50 50.82  22.6G 523672    F51  C~2jhA      
2015 02  24.44593  11 34 46.184  -02 01 06.63  22.4G 523672    F51  C~2jhB      
2015 02  24.46019  11 34 46.093  -02 01 05.80  22.3G 523672    F51  C~2jhB      
2015 02  24.47448  11 34 45.984  -02 01 05.31  23.1G 523672    F51  C~2jhB      
2015 03  16.18834  11 32 42.21   -01 45 09.4   22.3R 523672    G37  C~1N7m      
2015 03  16.25628  11 32 41.74   -01 45 05.7         523672    G37  C~1N7m      
2016 01  18.55177  11 47 43.645  -02 27 02.72  21.2G 523672    F51  C~2jhB      
2016 01  21.57770  11 47 35.590  -02 26 02.10  22.6G 523672    F51  C~2jhB      
2016 02  10.48350  11 46 17.275  -02 16 19.32  22.6G 523672    F51  C~2jhB      
2016 02  29.44690  11 44 30.788  -02 02 50.77  21.8G 523672    F51  C~2jhB      
2016 03  11.42366  11 43 21.219  -01 53 46.56  22.3G 523672    F51  C~2jhB      
2016 04  02.31971  11 41 01.469  -01 34 41.07  22.6G 523672    F51  C~2jhB      
2016 04  02.33221  11 41 01.389  -01 34 40.54  22.7G 523672    F51  C~2jhB      
2016 04  02.34469  11 41 01.326  -01 34 39.93  22.2G 523672    F51  C~2jhB      
2016 04  02.35717  11 41 01.245  -01 34 39.22  22.2G 523672    F51  C~2jhB      
2017 01  26.54498  11 57 49.562  -02 29 24.75  22.3G 523672    F51  C~2jhB      
2017 01  26.55695  11 57 49.550  -02 29 24.55  21.9G 523672    F51  C~2jhB      
2017 01  26.56892  11 57 49.505  -02 29 24.00  22.6G 523672    F51  C~2jhB      
2017 01  26.58094  11 57 49.445  -02 29 23.79  22.3G 523672    F51  C~2jhB      
2017 02  03.56735  11 57 20.130  -02 25 28.22  22.0G 523672    F51  C~2jhB      
2017 02  03.57855  11 57 20.089  -02 25 27.72  22.6G 523672    F51  C~2jhB      
2017 02  21.52167  11 55 51.153  -02 13 47.17  22.1G 523672    F51  C~2jhB      
2017 02  21.53337  11 55 51.092  -02 13 46.65  22.3G 523672    F51  C~2jhB      
2017 02  21.54505  11 55 51.031  -02 13 46.16  22.3G 523672    F51  C~2jhB      
2017 02  21.55673  11 55 50.975  -02 13 45.75  22.4G 523672    F51  C~2jhB      
2017 02  22.43870  11 55 45.907  -02 13 06.26  22.3G 523672    F51  C~2jhB      
2017 02  22.45216  11 55 45.835  -02 13 05.68  22.2G 523672    F51  C~2jhB      
2017 02  22.47906  11 55 45.671  -02 13 04.55  22.4G 523672    F51  C~2jhB      
2017 03  19.33006  11 53 09.072  -01 52 17.85  22.0G 523672    F51  C~2jhB      
2017 03  19.34209  11 53 08.992  -01 52 17.05  22.1G 523672    F51  C~2jhB      
2018 01  01.65497  12 09 15.695  -02 41 12.92  22.2G 523672    F51  C~2jhB      
2018 03  11.43099  12 05 06.182  -02 04 38.83  21.3G 523672    F51  C~2jhB      
2019 04  03.40932  12 14 04.508  -01 48 52.69  22.1w 523672    F51  C~32zp      
2019 04  03.42444  12 14 04.439  -01 48 52.23  22.3w 523672    F51  C~32zp      
2019 04  03.43956  12 14 04.322  -01 48 50.78  22.3w 523672    F51  C~32zp      
2021 04  10.378436 12 37 37.601  -01 50 45.06  22.1w 523672    F51  C~4mlH      
2021 04  10.390676 12 37 37.481  -01 50 44.39  22.1w 523672    F51  C~4mlH      
2021 04  10.415259 12 37 37.329  -01 50 43.13  21.8w 523672    F51  C~4mlH      
2021 04  15.383861 12 37 03.738  -01 46 11.16  22.2w 523672    F51  C~4mlH      
2021 04  15.395515 12 37 03.649  -01 46 10.64  22.0w 523672    F51  C~4mlH      
2021 04  15.418780 12 37 03.490  -01 46 09.25  21.8w 523672    F51  C~4mlH      
2021 05  08.319418 12 34 47.254  -01 27 45.00  22.1w 523672    F51  C~4pOO      
2021 05  08.333315 12 34 47.173  -01 27 44.24  22.1w 523672    F51  C~4pOO      
2021 05  08.347194 12 34 47.099  -01 27 43.83  22.0w 523672    F51  C~4pOO      

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    -0.99       0.00    -0.39
     2   0.0000      0.00    -1.04       0.00     0.12
     3   0.1990      0.00     0.04       0.00    -0.46
     4   0.1991      0.00    -0.08       0.00    -0.84
     5   0.1991      0.00     0.11       0.00    -0.63
     6   1.1867      0.00    -0.03       0.00    -0.32
     7   1.1869      0.00    -0.11       0.00    -0.34
     8   1.1871      0.00    -0.07       0.00    -0.33
     9   1.2366      0.00    -0.02       0.00    -0.10
    10   1.2367      0.00    -0.11       0.00    -0.26
    11   1.3315      0.00     0.11       0.00     0.05
    12   1.3315      0.00    -0.02       0.00    -0.12
    13   1.3343      0.00     0.04       0.00     0.05
    14   2.1432      0.00    -0.14       0.00    -0.21
    15   2.1432      0.00    -0.15       0.00    -0.30
    16   2.1433      0.00     0.01       0.00    -0.23
    17   2.1477      0.00     0.16       0.00     0.57
    18   2.1479      0.00     0.21       0.00     0.46
    19   2.1482      0.00     0.11       0.00     0.23
    20   2.1484      0.00     0.35       0.00     0.24
    21   2.1485      0.00     0.33       0.00     0.62
    22   2.1504      0.00     0.29       0.00     0.47
    23   2.1506      0.00     0.31       0.00     0.45
    24   2.1509      0.00     0.13       0.00     0.43
    25   2.1512      0.00     0.06       0.00     0.65
    26   2.1531      0.00     0.32       0.00     0.57
    27   2.1534      0.00     0.24       0.00     0.64
    28   2.1536      0.00     0.22       0.00     0.54
    29   2.1539      0.00     0.08       0.00     0.70
    30   2.1540      0.00     0.37       0.00     0.95
    31   2.1558      0.00     0.43       0.00     0.70
    32   2.1561      0.00     0.45       0.00     0.76
    33   2.1564      0.00     0.10       0.00     0.80
    34   2.1567      0.00     0.44       0.00     0.77
    35   2.3044      0.00    -0.03       0.00    -0.39
    36   2.3117      0.00    -0.05       0.00     0.09
    37   2.3144      0.00    -0.29       0.00     0.05
    38   2.3754      0.00    -0.12       0.00    -0.21
    39   3.1315      0.00     0.01       0.00    -0.40
    40   3.1316      0.00    -0.05       0.00    -0.21
    41   3.1316      0.00    -0.37       0.00    -0.36
    42   3.1856      0.00     0.43       0.00    -0.43
    43   3.1858      0.00     0.01       0.00    -0.21
    44   4.0298      0.00     0.32       0.00    -1.02
    45   4.0381      0.00    -0.29       0.00    -0.22
    46   4.0926      0.00    -0.10       0.00    -0.18
    47   4.1445      0.00    -0.09       0.00    -0.33
    48   4.1746      0.00     0.05       0.00     0.06
    49   4.2345      0.00    -0.20       0.00    -0.06
    50   4.2346      0.00    -0.23       0.00    -0.19
    51   4.2346      0.00    -0.01       0.00    -0.22
    52   4.2346      0.00    -0.06       0.00    -0.16
    53   5.0538      0.00    -0.19       0.00    -0.42
    54   5.0538      0.00     0.23       0.00    -0.53
    55   5.0538      0.00     0.15       0.00    -0.29
    56   5.0539      0.00    -0.15       0.00    -0.40
    57   5.0757      0.00    -0.24       0.00    -0.29
    58   5.0758      0.00    -0.14       0.00    -0.16
    59   5.1249      0.00    -0.20       0.00     0.09
    60   5.1249      0.00    -0.09       0.00     0.09
    61   5.1249      0.00     0.01       0.00     0.05
    62   5.1250      0.00     0.19       0.00    -0.06
    63   5.1274      0.00    -0.34       0.00    -0.22
    64   5.1274      0.00    -0.24       0.00    -0.25
    65   5.1275      0.00    -0.32       0.00    -0.33
    66   5.1955      0.00    -0.17       0.00    -0.26
    67   5.1956      0.00    -0.17       0.00    -0.10
    68   5.9849      0.00     0.36       0.00    -0.64
    69   6.1732      0.00     0.05       0.00     0.36
    70   7.2355      0.00    -0.50       0.00     0.18
    71   7.2355      0.00     0.01       0.00    -0.19
    72   7.2355      0.00    -0.21       0.00     0.42
    73   9.2559      0.00     0.23       0.00     0.20
    74   9.2559      0.00    -0.28       0.00     0.19
    75   9.2560      0.00     0.02       0.00     0.08
    76   9.2696      0.00     0.21       0.00     0.09
    77   9.2696      0.00     0.07       0.00    -0.02
    78   9.2697      0.00     0.06       0.00     0.12
    79   9.3324      0.00     0.19       0.00     0.09
    80   9.3324      0.00     0.05       0.00     0.27
    81   9.3325      0.00     0.02       0.00     0.11

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.

523672    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        34.955    34.955    34.955
ecceobj         0.441     0.441     0.441
incobj         21.895    21.895    21.895
qmin           19.363    19.364    19.136
qmax           50.863    50.863    50.863
amean          34.996    34.745    34.276
amin           34.472    34.233    33.420
amax           35.574    35.318    35.318
emean           0.432     0.434     0.425
emin            0.422     0.423     0.414
emax            0.445     0.445     0.445
imean          22.305    22.116    22.667
imin           21.513    21.513    21.513
imax           22.850    22.579    23.056
excite_mean     0.575     0.574     0.573
fracstop        0.003     0.002     0.024
cjmean          2.669     2.669     2.669

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        82.8      80.7      89.9
kozaiamp          4.5       2.0      11.5