Orbit Fit and Astrometric record for 14WM517

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: 14WM517   
# Created Wed Feb 20 02:10:22 2019
# Orbit generated from Bernstein formalism
# Fitting   38 observations of   38
# Arc:   3.12y
# First observation: 2014/11/23
#  Last observation: 2018/01/04
Preliminary a, adot, b, bdot, g, gdot:
   0.000008   0.019275  -0.000002  -0.003250   0.021420   0.000000
# Chi-squared of fit:    36.94 DOF:   70 RMS:  0.17
# Min/Max residuals:    -0.52    0.44
# Exact a, adot, b, bdot, g, gdot:
  1.386877E-05  1.937991E-02 -1.894548E-06 -3.259729E-03  2.147087E-02  1.057940E-03
# Covariance matrix:
  1.2014E-13 -8.0222E-14 -3.2036E-16  5.6998E-15 -3.1799E-14 -6.4086E-13
 -8.0222E-14  4.0976E-13  3.9167E-15 -5.3213E-14  1.9031E-13  6.1286E-12
 -3.2036E-16  3.9167E-15  1.1575E-13 -4.4110E-14  1.1839E-15  5.9163E-14
  5.6998E-15 -5.3213E-14 -4.4110E-14  3.2531E-14 -3.5514E-14 -8.8603E-13
 -3.1799E-14  1.9031E-13  1.1839E-15 -3.5514E-14  2.9162E-13  3.8655E-12
 -6.4086E-13  6.1286E-12  5.9163E-14 -8.8603E-13  3.8655E-12  1.0109E-10
#      lat0       lon0       xBary       yBary       zBary        JD0
  -17.462036   27.170108   -0.543666   -0.247401   -0.786999  2456984.818227
# Heliocentric elements and errors
Epoch:              2456980.5000  =  2014/11/19
Mean Anomaly:           80.87361 +/-     0.063
Argument of Peri:      154.09194 +/-     0.064
Long of Asc Node:      147.19122 +/-     0.001
Inclination:            19.50592 +/-     0.000
Eccentricity:         0.06227691 +/-    0.0005
Semi-Major Axis:     47.65130000 +/-    0.0045
Time of Perihelion: 2429989.7528 +/-      20.7
Perihelion:          44.68372430 +/-    0.0248
Aphelion:            50.61887570 +/-    0.0249
Period (y)              328.9428 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           40.00860290 +/-    0.0010
Ecliptic Y           21.14950339 +/-    0.0005
Ecliptic Z          -13.97596598 +/-    0.0004
Ecliptic XDOT        -0.00112916 +/-    0.0000
Ecliptic YDOT         0.00219534 +/-    0.0000
Ecliptic ZDOT        -0.00043689 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   47.36367199 +/-    0.0009
Geocenter to KBO     46.57473482 +/-    0.0012
# Hcoef:  7.85

The following table shows the complete astrometric record for 14WM517. 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 (14WM517) followed by the observatory code and reference code for the source of the astrometry.

2014 11  23.317449 02 05 47.646  -05 51 24.88  23.9i 14WM517   568  C~2Tu9      
2014 11  23.436477 02 05 47.203  -05 51 25.84  23.7i 14WM517   568  C~2Tu9      
2014 11  23.459204 02 05 47.125  -05 51 25.98  23.7i 14WM517   568  C~2Tu9      
2014 11  23.474241 02 05 47.065  -05 51 26.21  23.7i 14WM517   568  C~2Tu9      
2014 11  28.363340 02 05 30.116  -05 51 59.60  24.1r 14WM517   568  C~2Tu9      
2014 11  28.382242 02 05 30.055  -05 51 59.73  24.2r 14WM517   568  C~2Tu9      
2014 11  28.403031 02 05 29.981  -05 51 59.75  24.3r 14WM517   568  C~2Tu9      
2014 11  28.419743 02 05 29.920  -05 51 59.90  24.3r 14WM517   568  C~2Tu9      
2014 11  28.457239 02 05 29.793  -05 52 00.07  23.8i 14WM517   568  C~2Tu9      
2014 11  28.463420 02 05 29.768  -05 52 00.07  24.0i 14WM517   568  C~2Tu9      
2014 11  28.474502 02 05 29.731  -05 52 00.22  23.4i 14WM517   568  C~2Tu9      
2014 11  28.479935 02 05 29.722  -05 52 00.17  23.9i 14WM517   568  C~2Tu9      
2016 08  15.413247 02 19 49.04   -04 42 32.1   23.9r 14WM517   W84  C~2b7x      
2016 08  25.389451 02 19 39.38   -04 47 14.2   23.7i 14WM517   W84  C~2b7x      
2016 08  25.393432 02 19 39.37   -04 47 14.5   23.7z 14WM517   W84  C~2b7x      
2016 09  22.172506 02 18 35.93   -05 01 35.7   24.0r 14WM517   W84  C~2b7x      
2016 11  02.061951 02 15 59.86   -05 19 54.0   24.1r 14WM517   W84  C~2b7x      
2016 11  02.064312 02 15 59.88   -05 19 54.0   23.5i 14WM517   W84  C~2b7x      
2016 11  09.059589 02 15 31.28   -05 22 01.3   23.2i 14WM517   W84  C~2b7x      
2017 08  17.374372 02 24 08.49   -04 29 59.3   23.8z 14WM517   W84  C~2b7x      
2017 08  17.405716 02 24 08.47   -04 30 00.2   24.5r 14WM517   W84  C~2b7x      
2017 08  18.283969 02 24 07.90   -04 30 24.3   23.9i 14WM517   W84  C~2b7x      
2017 08  24.386360 02 24 02.14   -04 33 16.9   24.1r 14WM517   W84  C~2b7x      
2017 08  24.415295 02 24 02.11   -04 33 17.5   24.0i 14WM517   W84  C~2b7x      
2017 08  25.363711 02 24 00.97   -04 33 45.1   24.0z 14WM517   W84  C~2b7x      
2017 09  13.333774 02 23 24.67   -04 43 24.3   23.8z 14WM517   W84  C~2b7x      
2017 09  14.217344 02 23 22.40   -04 43 52.4   24.6r 14WM517   W84  C~2b7x      
2017 09  19.271041 02 23 08.48   -04 46 31.1   24.1i 14WM517   W84  C~2b7x      
2017 09  19.307707 02 23 08.40   -04 46 31.7   23.6z 14WM517   W84  C~2b7x      
2017 09  23.249196 02 22 56.54   -04 48 35.2   24.3z 14WM517   W84  C~2b7x      
2017 09  23.298316 02 22 56.38   -04 48 37.2   24.9g 14WM517   W84  C~2b7x      
2017 09  23.310902 02 22 56.34   -04 48 37.1   24.3r 14WM517   W84  C~2b7x      
2017 09  25.179441 02 22 50.44   -04 49 35.4   24.1i 14WM517   W84  C~2b7x      
2017 10  02.287746 02 22 26.45   -04 53 11.7   24.1i 14WM517   W84  C~2b7x      
2017 10  10.131962 02 21 57.61   -04 57 00.5   23.3z 14WM517   W84  C~2b7x      
2017 12  22.048258 02 17 34.05   -05 11 49.9   23.6i 14WM517   W84  C~2b7x      
2018 01  04.092506 02 17 12.07   -05 09 15.1   23.4i 14WM517   W84  C~2b7x      
2018 01  04.099115 02 17 12.09   -05 09 14.9   23.6z 14WM517   W84  C~2b7x      

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     0.08       0.00    -0.10
  2   0.0003     -6.52    -0.03       1.45    -0.03
  3   0.0004     -7.66     0.05       1.74    -0.01
  4   0.0004     -8.58    -0.06       1.84    -0.08
  5   0.0138   -256.82    -0.00      60.59    -0.02
  6   0.0139   -257.72     0.04      60.79    -0.07
  7   0.0139   -258.76     0.04      61.16     0.03
  8   0.0140   -259.66    -0.04      61.35    -0.01
  9   0.0141   -261.49    -0.02      61.86     0.01
 10   0.0141   -261.84    -0.06      61.99     0.07
 11   0.0141   -262.41    -0.08      62.05    -0.02
 12   0.0141   -262.52     0.08      62.15    -0.00
 13   1.7278  13231.50    -0.13    -647.68    -0.22
 14   1.7552  12994.07     0.14    -859.03     0.21
 15   1.7552  12993.82     0.01    -859.26     0.06
 16   1.8312  11794.57     0.43   -1320.98     0.23
 17   1.9432   9217.23    -0.31   -1505.43     0.36
 18   1.9432   9217.51     0.13   -1505.53     0.25
 19   1.9623   8772.32    -0.31   -1470.57    -0.19
 20   2.7325  17141.66    -0.08   -1351.80     0.02
 21   2.7326  17141.06    -0.07   -1352.53    -0.03
 22   2.7350  17124.27     0.08   -1371.96    -0.15
 23   2.7517  16980.49    -0.22   -1502.01    -0.17
 24   2.7518  16979.85    -0.05   -1502.41     0.02
 25   2.7544  16953.78    -0.01   -1522.01    -0.02
 26   2.8063  16233.51     0.40   -1866.04     0.29
 27   2.8088  16191.45     0.19   -1879.96    -0.04
 28   2.8226  15938.49    -0.16   -1952.62    -0.01
 29   2.8227  15937.15     0.44   -1952.75     0.34
 30   2.8335  15725.95     0.06   -2003.71     0.03
 31   2.8336  15722.98    -0.16   -2004.71    -0.39
 32   2.8337  15722.45     0.02   -2004.40     0.07
 33   2.8388  15618.54    -0.13   -2026.83    -0.27
 34   2.8582  15203.69    -0.09   -2098.65    -0.02
 35   2.8797  14716.54    -0.52   -2155.87    -0.07
 36   3.0793  10707.59     0.14   -1560.73    -0.06
 37   3.1151  10456.34    -0.13   -1297.62     0.02
 38   3.1151  10456.70     0.30   -1297.54    -0.04

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.

14WM517    quality flag:3

Type:           2:1E      2:1E      2:1E

axisobj        48.087    48.101    48.072
ecceobj         0.067     0.067     0.066
incobj         19.464    19.464    19.464
qmin           39.534    39.218    38.625
qmax           56.410    56.828    57.591
amean          47.797    47.797    47.797
amin           47.337    47.370    47.324
amax           48.290    48.284    48.340
emean           0.093     0.102     0.136
emin            0.001     0.015     0.057
emax            0.169     0.178     0.192
imean          18.088    17.839    17.426
imin           16.744    16.513    16.125
imax           19.249    18.846    18.725
excite_mean     0.327     0.325     0.331
fracstop        1.000     1.000     1.000
cjmean          3.013     3.014     3.010

libcent 0       184.6     145.2     110.7
libamp  0       171.1      96.3      65.4
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       107.4     178.3     186.5
kozaiamp        180.0     180.0     180.0