Orbit Fit and Astrometric record for 559179

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: 559179    
# Created Tue Dec  7 02:08:14 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     63 observations of     63
# Arc:   9.08y
# First observation: 2012/02/20
#  Last observation: 2021/03/20
# Chi-squared of fit:    55.79 DOF:    120 RMS:  0.17
# Min/Max residuals:    -0.35    0.65
# Exact a, adot, b, bdot, g, gdot:
  1.757805E-05  2.681852E-02 -6.150896E-07 -7.292460E-06  2.581240E-02  2.242799E-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
   10.150946  168.951090    0.302343    0.166276   -0.928609  2455977.939366
# Heliocentric elements and errors
Epoch:              2455978.5000  =  2012/02/21
Mean Anomaly:           36.18534 +/-     0.000
Argument of Peri:       44.36206 +/-     0.000
Long of Asc Node:       78.87949 +/-     0.000
Inclination:             9.91134 +/-     0.000
Eccentricity:         0.11880544 +/-    0.0000
Semi-Major Axis:     43.60073203 +/-    0.0000
Time of Perihelion: 2445408.6386 +/-       0.0
Perihelion:          38.42072768 +/-    0.0000
Aphelion:            48.78073638 +/-    0.0000
Period (y)              287.9048 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -38.29284497 +/-    0.0000
Ecliptic Y            7.78680721 +/-    0.0000
Ecliptic Z            6.82777231 +/-    0.0000
Ecliptic XDOT        -0.00077978 +/-    0.0000
Ecliptic YDOT        -0.00274274 +/-    0.0000
Ecliptic ZDOT         0.00004126 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.66851270 +/-    0.0000
Geocenter to KBO     38.74104451 +/-    0.0000
# Hcoef:  6.51

The following table shows the complete astrometric record for 559179. 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 (559179) followed by the observatory code and reference code for the source of the astrometry.

2012 02  20.43860  11 35 39.817  +13 41 38.82  23.5G 559179    F51  C~2r7b      
2013 02  14.40524  11 41 47.768  +13 01 25.04  22.6w 559179    F51  C~2dZL      
2013 02  14.41981  11 41 47.705  +13 01 25.29  22.5w 559179    F51  C~2dZL      
2013 02  14.43445  11 41 47.646  +13 01 25.97  22.6w 559179    F51  C~2dZL      
2013 02  14.44920  11 41 47.582  +13 01 26.49  22.6w 559179    F51  C~2dZL      
2013 03  03.52660  11 40 31.669  +13 11 00.70  22.5G 559179    F51  C~2r7b      
2013 03  08.50990  11 40 07.943  +13 13 40.96  21.4G 559179    F51  C~2r7b      
2014 03  12.37604  11 45 34.610  +12 38 01.53  22.4G 559179    F51  C~2r7b      
2014 06  01.27524  11 41 04.448  +12 53 23.88  22.4G 559179    F51  C~2r7b      
2014 11  26.59823  11 53 56.169  +11 21 30.66  22.9G 559179    F51  C~2r7b      
2014 11  26.61076  11 53 56.239  +11 21 30.69  23.1G 559179    F51  C~2r7b      
2014 11  26.62328  11 53 56.267  +11 21 30.72  22.4G 559179    F51  C~2r7b      
2014 11  26.63582  11 53 56.304  +11 21 30.57  22.4G 559179    F51  C~2r7b      
2015 01  27.61323  11 54 09.971  +11 36 14.94  22.9w 559179    F51  C~1vYB      
2015 01  27.62539  11 54 09.945  +11 36 15.16  22.6w 559179    F51  C~1vYB      
2015 01  27.63752  11 54 09.894  +11 36 15.69  22.3w 559179    F51  C~1vYB      
2015 01  27.64961  11 54 09.882  +11 36 15.87  22.7w 559179    F51  C~1vYB      
2015 01  29.61612  11 54 04.515  +11 37 14.62  23.3G 559179    F51  C~2r7b      
2015 01  29.62826  11 54 04.489  +11 37 15.02  22.6G 559179    F51  C~2r7b      
2015 01  29.64037  11 54 04.450  +11 37 15.58  21.8G 559179    F51  C~2r7b      
2015 02  16.41057  11 53 03.722  +11 46 48.92  22.3w 559179    F51  C~1vYB      
2015 02  16.42200  11 53 03.668  +11 46 49.48  22.3w 559179    F51  C~1vYB      
2015 02  16.43346  11 53 03.629  +11 46 49.58  22.6w 559179    F51  C~1vYB      
2015 02  16.44491  11 53 03.593  +11 46 50.16  22.7w 559179    F51  C~1vYB      
2015 02  17.55525  11 52 59.118  +11 47 27.48  22.5w 559179    F51  C~1vYB      
2015 02  17.56710  11 52 59.077  +11 47 27.84  22.3w 559179    F51  C~1vYB      
2015 02  17.57901  11 52 59.032  +11 47 28.56  22.3w 559179    F51  C~1vYB      
2015 03  25.49933  11 50 14.364  +12 06 30.90  21.9G 559179    F51  C~2r7b      
2015 03  25.51078  11 50 14.314  +12 06 31.11  22.3G 559179    F51  C~2r7b      
2015 03  25.52223  11 50 14.238  +12 06 31.35  21.9G 559179    F51  C~2r7b      
2015 03  25.53370  11 50 14.187  +12 06 31.47  22.6G 559179    F51  C~2r7b      
2015 04  16.42062  11 48 36.287  +12 14 41.82  21.6G 559179    F51  C~2r7b      
2015 04  18.44389  11 48 28.129  +12 15 14.85  22.6G 559179    F51  C~2r7b      
2015 07  09.27728  11 47 21.150  +12 02 06.57  22.2w 559179    F51  C~1vYB      
2015 07  09.28241  11 47 21.161  +12 02 06.37  22.1w 559179    F51  C~1vYB      
2015 07  09.28756  11 47 21.199  +12 02 06.24  22.2w 559179    F51  C~1vYB      
2015 07  09.29271  11 47 21.191  +12 02 06.12  22.1w 559179    F51  C~1vYB      
2016 01  09.57477  12 00 15.791  +10 50 31.57  22.7G 559179    F51  C~2r7b      
2016 02  03.54619  11 59 25.928  +11 01 38.53  22.1G 559179    F51  C~2r7b      
2016 02  04.46481  11 59 23.129  +11 02 06.93  22.6G 559179    F51  C~2r7b      
2016 02  04.47710  11 59 23.091  +11 02 07.12  22.7G 559179    F51  C~2r7b      
2016 03  01.43022  11 57 42.587  +11 16 23.57  22.5G 559179    F51  C~2r7b      
2016 03  29.32528  11 55 31.512  +11 30 32.17  22.5G 559179    F51  C~2r7b      
2016 04  05.30487  11 54 59.350  +11 33 23.21  22.2G 559179    F51  C~2r7b      
2016 04  05.32828  11 54 59.215  +11 33 23.95  22.7G 559179    F51  C~2r7b      
2016 04  05.33949  11 54 59.165  +11 33 24.00  22.3G 559179    F51  C~2r7b      
2016 04  22.38594  11 53 47.841  +11 38 39.84  22.6G 559179    F51  C~2r7b      
2016 04  26.26841  11 53 33.629  +11 39 28.65  22.3G 559179    F51  C~2r7b      
2016 04  26.28159  11 53 33.571  +11 39 28.92  22.7G 559179    F51  C~2r7b      
2016 04  26.29486  11 53 33.521  +11 39 28.83  22.6G 559179    F51  C~2r7b      
2016 04  26.30812  11 53 33.489  +11 39 28.95  22.8G 559179    F51  C~2r7b      
2016 05  23.29267  11 52 23.543  +11 40 46.95  23.2G 559179    F51  C~2r7b      
2017 01  30.51809  12 05 07.362  +10 21 48.06  22.8G 559179    F51  C~2r7b      
2017 02  24.44429  12 03 40.092  +10 35 09.34  22.2G 559179    F51  C~2r7b      
2017 02  24.45678  12 03 40.016  +10 35 09.57  22.6G 559179    F51  C~2r7b      
2017 02  24.46934  12 03 39.972  +10 35 09.87  22.4G 559179    F51  C~2r7b      
2017 02  24.56493  12 03 39.554  +10 35 13.30  22.5G 559179    F51  C~2r7b      
2017 03  22.39398  12 01 41.243  +10 48 58.96  22.4G 559179    F51  C~2r7b      
2018 04  10.17783  12 05 48.057  +10 18 37.16  22.2R 559179    G37  C~2dZL      
2018 04  10.23001  12 05 47.800  +10 18 37.49        559179    G37  C~2dZL      
2021 03  20.291940 12 23 43.217  +08 13 36.24  22.5G 559179    G37  C~4i81      
2021 03  20.324520 12 23 43.055  +08 13 37.29        559179    G37  C~4i81      
2021 03  20.351780 12 23 42.929  +08 13 38.14        559179    G37  C~4i81      

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    -0.17       0.00     0.21
     2   0.9855      0.00     0.05       0.00     0.07
     3   0.9856      0.00     0.01       0.00    -0.18
     4   0.9856      0.00     0.04       0.00     0.00
     5   0.9857      0.00     0.00       0.00     0.02
     6   1.0324      0.00    -0.00       0.00     0.19
     7   1.0461      0.00     0.04       0.00    -0.34
     8   2.0560      0.00     0.00       0.00    -0.26
     9   2.2774      0.00     0.28       0.00     0.24
    10   2.7657      0.00    -0.35       0.00    -0.11
    11   2.7657      0.00     0.12       0.00    -0.02
    12   2.7657      0.00    -0.04       0.00     0.07
    13   2.7658      0.00    -0.06       0.00    -0.02
    14   2.9355      0.00     0.15       0.00     0.20
    15   2.9355      0.00     0.25       0.00     0.06
    16   2.9355      0.00    -0.01       0.00     0.23
    17   2.9356      0.00     0.30       0.00     0.05
    18   2.9409      0.00    -0.07       0.00    -0.25
    19   2.9410      0.00     0.07       0.00    -0.22
    20   2.9410      0.00     0.00       0.00    -0.03
    21   2.9897      0.00    -0.02       0.00    -0.03
    22   2.9897      0.00    -0.14       0.00     0.15
    23   2.9897      0.00    -0.03       0.00    -0.14
    24   2.9898      0.00     0.13       0.00     0.06
    25   2.9928      0.00    -0.18       0.00     0.06
    26   2.9928      0.00    -0.06       0.00     0.03
    27   2.9929      0.00    -0.00       0.00     0.35
    28   3.0912      0.00     0.20       0.00     0.15
    29   3.0912      0.00     0.28       0.00     0.04
    30   3.0913      0.00    -0.03       0.00    -0.03
    31   3.0913      0.00     0.03       0.00    -0.22
    32   3.1512      0.00     0.27       0.00    -0.11
    33   3.1568      0.00    -0.13       0.00     0.07
    34   3.3808      0.00    -0.23       0.00     0.06
    35   3.3808      0.00    -0.27       0.00     0.03
    36   3.3808      0.00     0.09       0.00     0.07
    37   3.3808      0.00    -0.24       0.00     0.11
    38   3.8854      0.00    -0.08       0.00     0.01
    39   3.9538      0.00    -0.16       0.00     0.10
    40   3.9563      0.00    -0.12       0.00    -0.12
    41   3.9563      0.00    -0.10       0.00    -0.32
    42   4.0274      0.00     0.00       0.00    -0.18
    43   4.1037      0.00     0.19       0.00     0.11
    44   4.1228      0.00     0.25       0.00    -0.17
    45   4.1229      0.00    -0.16       0.00     0.03
    46   4.1229      0.00    -0.14       0.00    -0.18
    47   4.1696      0.00    -0.15       0.00     0.15
    48   4.1802      0.00    -0.05       0.00     0.00
    49   4.1803      0.00    -0.20       0.00     0.12
    50   4.1803      0.00    -0.22       0.00    -0.12
    51   4.1803      0.00     0.02       0.00    -0.16
    52   4.2542      0.00     0.24       0.00     0.15
    53   4.9448      0.00    -0.03       0.00    -0.06
    54   5.0130      0.00     0.10       0.00     0.12
    55   5.0131      0.00    -0.23       0.00    -0.07
    56   5.0131      0.00    -0.08       0.00    -0.19
    57   5.0134      0.00    -0.19       0.00     0.04
    58   5.0841      0.00    -0.20       0.00     0.02
    59   6.1348      0.00     0.52       0.00     0.65
    60   6.1350      0.00     0.20       0.00    -0.18
    61   9.0783      0.00     0.05       0.00    -0.07
    62   9.0784      0.00    -0.07       0.00    -0.02
    63   9.0785      0.00    -0.03       0.00    -0.01

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.

559179    quality flag:3

Type:         7:4EEE    7:4EEE    7:4EEE

axisobj        43.574    43.575    43.574
ecceobj         0.118     0.118     0.118
incobj          9.905     9.905     9.905
qmin           36.642    36.639    36.647
qmax           51.114    51.092    51.135
amean          43.727    43.727    43.727
amin           43.360    43.355    43.355
amax           44.151    44.145    44.160
emean           0.114     0.114     0.113
emin            0.058     0.058     0.053
emax            0.158     0.158     0.159
imean           8.043     8.044     8.044
imin            6.506     6.507     6.501
imax           10.274    10.245    10.418
excite_mean     0.182     0.182     0.182
fracstop        1.000     1.000     1.000
cjmean          3.059     3.059     3.059

libcent 0       159.5     154.6     179.5
libamp  0       146.9     144.0     177.4
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        85.9      85.8      86.1
kozaiamp         46.7      46.0      54.4