Orbit Fit and Astrometric record for 14WW508

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: 14WW508   
# Created Mon Nov 19 02:09:51 2018
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   43 observations of   43
# Arc:   5.18y
# First observation: 2010/11/08
#  Last observation: 2016/01/13
# Chi-squared of fit:    21.16 DOF:   80 RMS:  0.12
# Min/Max residuals:    -0.36    0.38
# Exact a, adot, b, bdot, g, gdot:
  3.201291E-05  1.562685E-01 -2.750002E-06 -1.638304E-02  7.725034E-02 -2.909002E-02
# Covariance matrix:
  2.8213E-13 -1.5292E-13 -1.2283E-14  1.1939E-14 -3.2448E-14 -9.7250E-14
 -1.5292E-13  1.1706E-13  1.1552E-14 -1.1196E-14  2.9360E-14  9.1394E-14
 -1.2283E-14  1.1552E-14  1.6399E-13 -4.2192E-14 -1.1296E-15  1.1364E-14
  1.1939E-14 -1.1196E-14 -4.2192E-14  1.3354E-14 -1.8897E-15 -1.0124E-14
 -3.2448E-14  2.9360E-14 -1.1296E-15 -1.8897E-15  1.0240E-13 -2.5244E-15
 -9.7250E-14  9.1394E-14  1.1364E-14 -1.0124E-14 -2.5244E-15  8.7994E-14
#      lat0       lon0       xBary       yBary       zBary        JD0
   -8.068196   44.729430   -0.022280   -0.138722   -0.978635  2455508.979646
# Heliocentric elements and errors
Epoch:              2455508.5000  =  2010/11/08
Mean Anomaly:          351.99953 +/-     0.001
Argument of Peri:      262.40142 +/-     0.001
Long of Asc Node:      172.98576 +/-     0.000
Inclination:             9.50284 +/-     0.000
Eccentricity:         0.53455081 +/-    0.0000
Semi-Major Axis:     28.50640923 +/-    0.0011
Time of Perihelion: 2456743.9496 +/-       3.2
Perihelion:          13.26828509 +/-    0.0007
Aphelion:            43.74453337 +/-    0.0018
Period (y)              152.2026 +/-      0.01
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X            9.79597610 +/-    0.0000
Ecliptic Y            9.73062687 +/-    0.0000
Ecliptic Z           -1.81689778 +/-    0.0000
Ecliptic XDOT        -0.00468101 +/-    0.0000
Ecliptic YDOT         0.00316525 +/-    0.0000
Ecliptic ZDOT        -0.00043019 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   13.92657449 +/-    0.0000
Geocenter to KBO     12.94504212 +/-    0.0001
# Hcoef: 10.64

The following table shows the complete astrometric record for 14WW508. 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 (14WW508) followed by the observatory code and reference code for the source of the astrometry.

2010 11  08.47888  02 58 38.573  +08 32 02.86  21.8w 14WW508   F51  C~1vXp      
2010 11  08.49164  02 58 38.411  +08 32 02.06  21.7w 14WW508   F51  C~1vXp      
2010 11  08.50584  02 58 38.245  +08 32 01.12  21.8w 14WW508   F51  C~1vXp      
2010 11  08.51853  02 58 38.079  +08 32 00.42  21.7w 14WW508   F51  C~1vXp      
2011 09  04.59585  03 42 39.756  +11 08 11.68  22.9G 14WW508   F51  C~2kR6      
2012 01  25.23736  03 24 35.874  +09 44 13.25  22.4G 14WW508   F51  C~2kR6      
2012 10  21.55414  04 17 28.096  +11 44 45.62  21.9w 14WW508   F51  C~1vXp      
2012 10  21.57018  04 17 27.954  +11 44 44.87  22.0w 14WW508   F51  C~1vXp      
2012 10  21.58623  04 17 27.802  +11 44 43.98  22.2w 14WW508   F51  C~1vXp      
2012 10  21.60235  04 17 27.663  +11 44 43.21  21.9w 14WW508   F51  C~1vXp      
2012 11  06.57081  04 14 43.857  +11 30 22.08  22.6G 14WW508   F51  C~2kR6      
2012 11  07.37800  04 14 34.522  +11 29 40.65  21.9w 14WW508   F51  C~1vXp      
2012 11  07.39317  04 14 34.339  +11 29 39.86  22.0w 14WW508   F51  C~1vXp      
2012 11  07.40835  04 14 34.168  +11 29 38.84  21.7w 14WW508   F51  C~1vXp      
2012 11  07.42344  04 14 33.986  +11 29 38.24  21.5w 14WW508   F51  C~1vXp      
2013 03  06.23746  04 03 56.021  +11 39 44.08  22.6G 14WW508   F51  C~2kR6      
2013 03  06.24297  04 03 56.061  +11 39 44.74  22.2G 14WW508   F51  C~2kR6      
2013 03  06.24850  04 03 56.117  +11 39 45.02  21.8G 14WW508   F51  C~2kR6      
2013 03  06.25404  04 03 56.170  +11 39 45.40  21.4G 14WW508   F51  C~2kR6      
2013 11  27.35852  04 50 40.222  +12 19 49.68  21.9w 14WW508   F51  C~1vXp      
2013 11  27.37376  04 50 40.016  +12 19 49.22  21.7w 14WW508   F51  C~1vXp      
2013 11  27.38898  04 50 39.815  +12 19 48.75  21.7w 14WW508   F51  C~1vXp      
2013 11  27.40430  04 50 39.612  +12 19 48.19  21.9w 14WW508   F51  C~1vXp      
2014 11  26.39528  05 31 34.002  +13 02 42.69  21.6w 14WW508   F51  C~1vXp      
2014 11  26.40832  05 31 33.831  +13 02 42.26  22.0w 14WW508   F51  C~1vXp      
2014 11  26.42132  05 31 33.673  +13 02 41.95  22.0w 14WW508   F51  C~1vXp      
2014 11  26.43427  05 31 33.522  +13 02 41.72  21.9w 14WW508   F51  C~1vXp      
2014 11  28.54794  05 31 07.544  +13 01 49.94  21.7w 14WW508   F51  C~1vXp      
2014 11  28.56211  05 31 07.381  +13 01 49.68  21.6w 14WW508   F51  C~1vXp      
2014 11  28.57626  05 31 07.194  +13 01 49.32  21.6w 14WW508   F51  C~1vXp      
2014 12  12.48944  05 28 07.033  +12 57 35.07  22.2G 14WW508   F51  C~2kR6      
2015 01  17.24259  05 20 55.113  +12 59 39.52  22.2w 14WW508   F51  C~1vXp      
2015 01  17.25576  05 20 54.982  +12 59 39.76  21.9w 14WW508   F51  C~1vXp      
2015 01  17.26891  05 20 54.852  +12 59 40.13  21.9w 14WW508   F51  C~1vXp      
2015 01  17.28202  05 20 54.718  +12 59 40.39  22.1w 14WW508   F51  C~1vXp      
2015 01  19.37500  05 20 35.333  +13 00 23.30  22.1w 14WW508   F51  C~1vXp      
2015 01  19.38807  05 20 35.210  +13 00 23.59  22.0w 14WW508   F51  C~1vXp      
2015 01  19.40113  05 20 35.084  +13 00 23.91  21.9w 14WW508   F51  C~1vXp      
2015 01  19.41424  05 20 34.968  +13 00 24.12  22.1w 14WW508   F51  C~1vXp      
2016 01  13.38441  06 01 37.279  +13 21 36.26  21.9G 14WW508   F51  C~2kR6      
2016 01  13.39722  06 01 37.124  +13 21 36.56  22.0G 14WW508   F51  C~2kR6      
2016 01  13.40996  06 01 36.971  +13 21 36.81  21.8G 14WW508   F51  C~2kR6      
2016 01  13.42266  06 01 36.813  +13 21 36.98  22.0G 14WW508   F51  C~2kR6      

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     0.03       0.00    -0.12
  2   0.0000      0.00    -0.05       0.00    -0.13
  3   0.0001      0.00     0.07       0.00    -0.20
  4   0.0001      0.00    -0.09       0.00    -0.12
  5   0.8217      0.00     0.04       0.00     0.23
  6   1.2122      0.00     0.05       0.00    -0.36
  7   1.9523      0.00     0.01       0.00    -0.19
  8   1.9523      0.00     0.05       0.00    -0.06
  9   1.9524      0.00    -0.05       0.00    -0.06
 10   1.9524      0.00     0.04       0.00     0.07
 11   1.9961      0.00     0.25       0.00     0.14
 12   1.9984      0.00    -0.16       0.00     0.38
 13   1.9984      0.00    -0.20       0.00     0.36
 14   1.9984      0.00    -0.06       0.00     0.11
 15   1.9985      0.00    -0.09       0.00     0.29
 16   2.3238      0.00     0.17       0.00    -0.21
 17   2.3238      0.00     0.00       0.00     0.10
 18   2.3238      0.00     0.07       0.00     0.04
 19   2.3238      0.00     0.09       0.00     0.07
 20   3.0524      0.00     0.03       0.00    -0.03
 21   3.0524      0.00    -0.04       0.00    -0.01
 22   3.0525      0.00    -0.05       0.00     0.01
 23   3.0525      0.00    -0.06       0.00    -0.06
 24   4.0491      0.00    -0.03       0.00     0.06
 25   4.0491      0.00    -0.17       0.00    -0.05
 26   4.0491      0.00    -0.12       0.00    -0.04
 27   4.0492      0.00     0.03       0.00     0.06
 28   4.0549      0.00    -0.01       0.00    -0.01
 29   4.0550      0.00     0.23       0.00     0.08
 30   4.0550      0.00     0.11       0.00     0.06
 31   4.0931      0.00    -0.28       0.00    -0.10
 32   4.1910      0.00     0.01       0.00    -0.06
 33   4.1910      0.00    -0.03       0.00    -0.09
 34   4.1911      0.00    -0.06       0.00     0.02
 35   4.1911      0.00    -0.15       0.00     0.02
 36   4.1968      0.00     0.03       0.00    -0.01
 37   4.1969      0.00     0.01       0.00     0.01
 38   4.1969      0.00    -0.07       0.00     0.05
 39   4.1969      0.00     0.02       0.00    -0.01
 40   5.1798      0.00     0.08       0.00    -0.06
 41   5.1798      0.00     0.08       0.00    -0.03
 42   5.1798      0.00     0.09       0.00    -0.05
 43   5.1799      0.00     0.01       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.

14WW508    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        28.552    28.552    28.553
ecceobj         0.534     0.534     0.534
incobj          9.490     9.490     9.490
qmin           13.196    13.075    12.441
qmax           43.810    44.046    44.015
amean          28.103    28.218    28.010
amin           27.497    27.567    27.474
amax           28.618    28.700    28.618
emean           0.526     0.526     0.533
emin            0.516     0.517     0.517
emax            0.534     0.535     0.555
imean           9.001     9.179     9.077
imin            8.814     8.817     8.572
imax            9.205     9.401     9.477
excite_mean     0.548     0.550     0.556
fracstop        0.002     0.005     0.007
cjmean          2.698     2.695     2.689

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       269.8     282.6     281.9
kozaiamp          7.1      19.9      19.7