Orbit Fit and Astrometric record for 524457

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: 524457    
# Created Sat Apr 27 01:08:30 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     59 observations of     59
# Arc:  20.17y
# First observation: 2002/03/20
#  Last observation: 2022/05/23
# Chi-squared of fit:    83.45 DOF:    112 RMS:  0.21
# Min/Max residuals:    -0.96    0.66
# Exact a, adot, b, bdot, g, gdot:
  1.406516E-05  2.361603E-02 -1.192378E-06  1.259631E-03  2.538411E-02 -1.126366E-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
    1.827293 -175.978163    0.071197    0.031626   -0.993751  2452353.929593
# Heliocentric elements and errors
Epoch:              2452354.5000  =  2002/03/21
Mean Anomaly:          205.30816 +/-     0.000
Argument of Peri:      190.12111 +/-     0.000
Long of Asc Node:      153.66475 +/-     0.000
Inclination:             3.53469 +/-     0.000
Eccentricity:         0.11904253 +/-    0.0000
Semi-Major Axis:     36.39018275 +/-    0.0000
Time of Perihelion: 2486808.5040 +/-       0.0
Perihelion:          32.05820317 +/-    0.0000
Aphelion:            40.72216232 +/-    0.0000
Period (y)              219.5253 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -40.27361296 +/-    0.0000
Ecliptic Y           -2.75533886 +/-    0.0000
Ecliptic Z            1.25614002 +/-    0.0000
Ecliptic XDOT         0.00029568 +/-    0.0000
Ecliptic YDOT        -0.00253322 +/-    0.0000
Ecliptic ZDOT         0.00013213 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   40.38732278 +/-    0.0000
Geocenter to KBO     39.39478607 +/-    0.0000
# Hcoef:  7.53

The following table shows the complete astrometric record for 524457. 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 (524457) followed by the observatory code and reference code for the source of the astrometry.

2002 03  20.42885  12 17 39.88   +00 04 42.8   23.7R 524457    568  Cf5861      
2002 03  20.49199  12 17 39.58   +00 04 44.6   24.1R 524457    568  Cf5861      
2002 03  20.53396  12 17 39.38   +00 04 45.7   23.8R 524457    568  Cf5861      
2002 03  22.47601  12 17 30.30   +00 05 46.9         524457    568  Cf5861      
2002 03  22.51609  12 17 30.10   +00 05 48.1         524457    568  Cf5861      
2002 06  03.19792  12 13 16.92   +00 32 12.5         524457    675  Cf8969      
2002 06  08.18611  12 13 12.25   +00 32 32.7         524457    675  Cf8969      
2002 06  08.26042  12 13 12.19   +00 32 32.9         524457    675  Cf8969      
2006 04  26.07273  12 35 21.30   -01 30 54.1   22.3R 524457    807  Cr3565      
2006 04  26.15609  12 35 20.95   -01 30 51.7         524457    807  Cr3565      
2006 04  27.09725  12 35 17.07   -01 30 28.3         524457    807  Cr3565      
2007 05  08.13557  12 39 43.41   -01 54 37.0   23.6R 524457    304  Cu8842      
2007 05  08.18408  12 39 43.24   -01 54 36.0         524457    304  Cu8842      
2015 02  17.58038  13 27 03.069  -06 16 37.34  23.4r 524457    568  C~2lRS      
2015 02  17.62132  13 27 02.969  -06 16 36.57  23.6r 524457    568  C~2lRS      
2015 02  20.61441  13 26 55.548  -06 15 39.73  23.4r 524457    568  C~2lRS      
2015 03  18.55881  13 25 24.594  -06 05 09.05  23.3r 524457    568  C~2lRS      
2015 03  20.55033  13 25 16.030  -06 04 12.99  23.2r 524457    568  C~2lRS      
2015 03  23.32657  13 25 03.83   -06 02 53.5   23.3R 524457    695  C~1Q3C      
2015 03  23.39024  13 25 03.55   -06 02 51.6         524457    695  C~1Q3C      
2015 03  23.45279  13 25 03.26   -06 02 49.8         524457    695  C~1Q3C      
2015 04  11.48481  13 23 33.949  -05 53 28.34  23.2r 524457    568  C~2lRS      
2015 04  13.34921  13 23 24.974  -05 52 33.24  23.2r 524457    568  C~2lRS      
2015 04  13.39016  13 23 24.770  -05 52 32.06  23.3r 524457    568  C~2lRS      
2015 04  13.45967  13 23 24.427  -05 52 29.98  23.1r 524457    568  C~2lRS      
2015 04  18.28021  13 23 01.16   -05 50 08.8         524457    W84  C~1Tia      
2015 04  19.27164  13 22 56.42   -05 49 40.1   24.1V 524457    W84  C~1Tia      
2015 04  19.39003  13 22 55.859  -05 49 37.10  23.2r 524457    568  C~2lRS      
2015 04  19.50158  13 22 55.314  -05 49 33.87  23.1r 524457    568  C~2lRS      
2015 04  21.27595  13 22 46.85   -05 48 42.8         524457    W84  C~1Tia      
2015 04  22.27234  13 22 42.09   -05 48 14.3         524457    W84  C~1Tia      
2015 05  18.25525  13 20 49.038  -05 37 24.76  23.2r 524457    568  C~2lRS      
2015 06  20.26264  13 19 22.054  -05 30 15.56  23.6r 524457    568  C~2lRS      
2015 06  20.30355  13 19 21.995  -05 30 15.28  23.5r 524457    568  C~2lRS      
2015 06  22.30724  13 19 19.535  -05 30 07.54  23.3r 524457    568  C~2lRS      
2015 07  14.25857  13 19 16.224  -05 31 09.00  23.7r 524457    568  C~2lRS      
2015 07  20.24993  13 19 23.005  -05 32 12.18  23.4r 524457    568  C~2lRS      
2015 07  20.26062  13 19 23.020  -05 32 12.35  23.7r 524457    568  C~2lRS      
2016 02  04.56329  13 32 45.139  -06 47 40.17  23.8w 524457    568  C~2lRS      
2016 02  10.55122  13 32 37.252  -06 46 24.88  23.6w 524457    568  C~2lRS      
2016 02  10.60087  13 32 37.169  -06 46 24.19  23.8w 524457    568  C~2lRS      
2016 03  11.53218  13 31 12.596  -06 36 06.25  23.8w 524457    568  C~2lRS      
2016 04  03.42104  13 29 32.171  -06 25 20.99  23.6w 524457    568  C~2lRS      
2016 04  09.40077  13 29 03.484  -06 22 24.37  23.4w 524457    568  C~2lRS      
2016 05  28.26791  13 25 31.914  -06 02 16.32  23.8w 524457    568  C~2lRS      
2016 05  28.27195  13 25 31.907  -06 02 16.16  23.7w 524457    568  C~2lRS      
2016 06  04.34936  13 25 10.975  -06 00 31.56  23.6w 524457    568  C~2lRS      
2016 06  04.35340  13 25 10.968  -06 00 31.48  23.6w 524457    568  C~2lRS      
2016 06  27.27271  13 24 30.692  -05 57 49.92  23.9w 524457    568  C~2lRS      
2016 07  06.30847  13 24 27.473  -05 58 05.08  23.8w 524457    568  C~2lRS      
2017 02  24.63168  13 37 27.059  -07 09 55.44        524457    568  C~2lRS      
2017 03  29.44523  13 35 21.871  -06 56 03.16  23.5w 524457    568  C~2lRS      
2017 06  22.26639  13 29 55.088  -06 25 54.76  23.6w 524457    568  C~2lRS      
2017 06  22.27110  13 29 55.082  -06 25 54.68  23.8w 524457    568  C~2lRS      
2018 06  17.09205  13 35 25.75   -06 54 17.5   24.0V 524457    W84  C~30LF      
2018 06  17.96840  13 35 24.08   -06 54 10.5         524457    W84  C~30LF      
2018 06  18.11822  13 35 23.79   -06 54 09.6         524457    W84  C~30LF      
2022 05  23.179720 13 58 38.608  -08 50 49.16  23.4G 524457    G37  C~5hPC      
2022 05  23.226850 13 58 38.434  -08 50 48.31        524457    G37  C~5hPC      

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     0.28       0.00     0.32
     2   0.0002      0.00     0.29       0.00     0.14
     3   0.0003      0.00     0.28       0.00    -0.07
     4   0.0056      0.00     0.25       0.00     0.27
     5   0.0057      0.00     0.11       0.00     0.22
     6   0.2047      0.00    -0.41       0.00    -0.52
     7   0.2184      0.00     0.03       0.00    -0.46
     8   0.2186      0.00    -0.00       0.00    -0.46
     9   4.1003      0.00     0.02       0.00     0.05
    10   4.1006      0.00     0.05       0.00     0.30
    11   4.1031      0.00    -0.06       0.00    -0.35
    12   5.1327      0.00    -0.96       0.00     0.66
    13   5.1328      0.00    -0.82       0.00     0.61
    14  12.9149      0.00     0.01       0.00    -0.04
    15  12.9150      0.00     0.01       0.00    -0.03
    16  12.9232      0.00     0.01       0.00    -0.03
    17  12.9942      0.00    -0.01       0.00    -0.06
    18  12.9996      0.00    -0.01       0.00    -0.07
    19  13.0072      0.00     0.02       0.00     0.15
    20  13.0074      0.00     0.15       0.00     0.22
    21  13.0076      0.00     0.05       0.00     0.22
    22  13.0597      0.00    -0.04       0.00    -0.10
    23  13.0648      0.00     0.18       0.00    -0.07
    24  13.0649      0.00     0.14       0.00    -0.09
    25  13.0651      0.00     0.12       0.00    -0.06
    26  13.0783      0.00    -0.21       0.00     0.03
    27  13.0810      0.00     0.07       0.00     0.10
    28  13.0813      0.00     0.03       0.00    -0.12
    29  13.0817      0.00     0.02       0.00    -0.10
    30  13.0865      0.00     0.32       0.00    -0.05
    31  13.0892      0.00     0.07       0.00     0.13
    32  13.1604      0.00     0.06       0.00     0.02
    33  13.2507      0.00     0.03       0.00    -0.13
    34  13.2509      0.00     0.01       0.00    -0.03
    35  13.2563      0.00     0.14       0.00    -0.11
    36  13.3164      0.00     0.11       0.00    -0.21
    37  13.3328      0.00     0.05       0.00    -0.07
    38  13.3329      0.00     0.06       0.00    -0.11
    39  13.8785      0.00    -0.02       0.00    -0.07
    40  13.8949      0.00    -0.01       0.00    -0.01
    41  13.8951      0.00    -0.00       0.00    -0.02
    42  13.9770      0.00    -0.11       0.00    -0.02
    43  14.0397      0.00     0.02       0.00    -0.12
    44  14.0560      0.00     0.03       0.00    -0.08
    45  14.1898      0.00    -0.01       0.00    -0.17
    46  14.1899      0.00     0.09       0.00    -0.08
    47  14.2092      0.00    -0.01       0.00    -0.08
    48  14.2092      0.00     0.05       0.00    -0.05
    49  14.2720      0.00     0.02       0.00    -0.12
    50  14.2967      0.00    -0.08       0.00     0.03
    51  14.9355      0.00    -0.11       0.00    -0.05
    52  15.0254      0.00    -0.08       0.00    -0.00
    53  15.2576      0.00    -0.02       0.00    -0.04
    54  15.2576      0.00    -0.01       0.00     0.02
    55  16.2427      0.00    -0.17       0.00     0.00
    56  16.2451      0.00    -0.03       0.00     0.32
    57  16.2456      0.00     0.04       0.00     0.11
    58  20.1745      0.00    -0.36       0.00     0.28
    59  20.1747      0.00     0.03       0.00     0.15

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.

524457    quality flag:3

Type:           4:3E      4:3E      4:3E

axisobj        36.202    36.202    36.202
ecceobj         0.125     0.125     0.125
incobj          3.543     3.543     3.543
qmin           31.186    31.186    31.185
qmax           42.165    42.164    42.164
amean          36.478    36.478    36.478
amin           36.111    36.112    36.111
amax           36.876    36.874    36.878
emean           0.122     0.122     0.122
emin            0.102     0.102     0.101
emax            0.144     0.144     0.144
imean           5.719     5.719     5.719
imin            2.409     2.409     2.409
imax           10.695    10.693    10.696
excite_mean     0.161     0.161     0.161
fracstop        1.000     1.000     1.000
cjmean          2.997     2.997     2.997

libcent 0       181.1     181.0     181.1
libamp  0        70.1      70.3      70.5
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       177.1     177.2     177.2
kozaiamp        180.0     180.0     180.0