Orbit Fit and Astrometric record for 14DD143

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: 14DD143   
# Created Mon Mar 25 01:09:40 2019
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   78 observations of   79
# Arc:   7.09y
# First observation: 2011/03/09
#  Last observation: 2018/04/10
# Chi-squared of fit:    93.25 DOF:  150 RMS:  0.19
# Min/Max residuals:    -0.95    0.64
# Exact a, adot, b, bdot, g, gdot:
  1.496522E-05  2.299502E-02  3.823683E-07  6.492027E-04  2.378874E-02  1.669972E-06
# Covariance matrix:
  1.5783E-13 -8.4313E-14  2.1849E-15 -1.8916E-15 -1.7401E-14 -4.1499E-13
 -8.4313E-14  6.5322E-14 -1.9698E-15  1.7185E-15  1.1757E-14  3.7705E-13
  2.1849E-15 -1.9698E-15  8.4797E-14 -1.8061E-14 -7.3259E-16 -1.2373E-14
 -1.8916E-15  1.7185E-15 -1.8061E-14  4.9895E-15  4.0464E-16  1.0746E-14
 -1.7401E-14  1.1757E-14 -7.3259E-16  4.0464E-16  7.4364E-14  8.8458E-14
 -4.1499E-13  3.7705E-13 -1.2373E-14  1.0746E-14  8.8458E-14  2.3576E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
   -1.072880  166.228367   -0.038803   -0.018681   -0.996006  2455630.017776
# Heliocentric elements and errors
Epoch:              2455630.5000  =  2011/03/10
Mean Anomaly:            7.64382 +/-     0.239
Argument of Peri:      319.26270 +/-     0.247
Long of Asc Node:      199.12477 +/-     0.002
Inclination:             1.93195 +/-     0.000
Eccentricity:         0.01516297 +/-    0.0000
Semi-Major Axis:     43.68500273 +/-    0.0021
Time of Perihelion: 2453391.2391 +/-      70.0
Perihelion:          43.02260820 +/-    0.0028
Aphelion:            44.34739727 +/-    0.0028
Period (y)              288.7399 +/-      0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -41.79391087 +/-    0.0005
Ecliptic Y           10.20373752 +/-    0.0001
Ecliptic Z           -0.78707339 +/-    0.0000
Ecliptic XDOT        -0.00063297 +/-    0.0000
Ecliptic YDOT        -0.00256402 +/-    0.0000
Ecliptic ZDOT         0.00007472 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   43.02867204 +/-    0.0005
Geocenter to KBO     42.03673234 +/-    0.0005
# Hcoef:  6.14

The following table shows the complete astrometric record for 14DD143. 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 (14DD143) followed by the observatory code and reference code for the source of the astrometry.

2011 03  09.51701  11 07 38.137  +04 26 40.78  21.8G 14DD143   F51  C~2rXz      
2011 03  11.34210  11 07 30.099  +04 27 32.23  22.2G 14DD143   F51  C~2rXz      
2011 03  30.36634  11 06 09.183  +04 36 14.83  22.2G 14DD143   F51  C~2rXz      
2011 03  30.37964  11 06 09.119  +04 36 15.28  23.3G 14DD143   F51  C~2rXz      
2011 03  30.39409  11 06 09.055  +04 36 15.80  23.1G 14DD143   F51  C~2rXz      
2011 03  30.40736  11 06 09.008  +04 36 16.09  23.0G 14DD143   F51  C~2rXz      
2011 06  30.28357  11 04 44.078  +04 47 48.29  21.2G 14DD143   F51  C~2rXz      
2012 01  02.67425  11 16 14.065  +03 35 17.14  21.3G 14DD143   F51  C~2rXz      
2012 02  26.50665  11 13 22.893  +03 52 49.80  22.1G 14DD143   F51  C~2rXz      
2012 03  27.33893  11 11 13.271  +04 06 44.94  22.4w 14DD143   F51  C~1vXG      
2012 03  27.35338  11 11 13.214  +04 06 44.68  22.5w 14DD143   F51  C~1vXG      
2012 03  27.36783  11 11 13.163  +04 06 44.97  22.5w 14DD143   F51  C~1vXG      
2012 12  10.64517  11 21 08.708  +03 06 54.95  22.3G 14DD143   F51  C~2rXz      
2013 01  18.59619  11 20 33.969  +03 09 55.12  22.8G 14DD143   F51  C~2rXz      
2013 02  15.47448  11 19 00.849  +03 19 33.01  22.5G 14DD143   F51  C~2rXz      
2013 02  15.48816  11 19 00.805  +03 19 33.51  22.8G 14DD143   F51  C~2rXz      
2013 02  15.50185  11 19 00.737  +03 19 33.81  22.3G 14DD143   F51  C~2rXz      
2013 02  15.51551  11 19 00.691  +03 19 34.10  22.2G 14DD143   F51  C~2rXz      
2013 03  05.41882  11 17 44.443  +03 27 40.03  22.5w 14DD143   F51  C~1vXG      
2013 03  05.43376  11 17 44.375  +03 27 40.50  22.4w 14DD143   F51  C~1vXG      
2013 03  05.44869  11 17 44.307  +03 27 40.81  22.3w 14DD143   F51  C~1vXG      
2013 03  05.46368  11 17 44.239  +03 27 41.41  22.3w 14DD143   F51  C~1vXG      
2014 02  09.55479  11 24 19.093  +02 48 13.57  22.8G 14DD143   F51  C~2rXz      
2014 02  28.40363  11 23 02.565  +02 56 20.84  22.1w 14DD143   F51  C~1vXG      
2014 02  28.41599  11 23 02.514  +02 56 21.26  22.5w 14DD143   F51  C~1vXG      
2014 02  28.42850  11 23 02.463  +02 56 21.59  22.1w 14DD143   F51  C~1vXG      
2014 02  28.44089  11 23 02.397  +02 56 21.83  22.2w 14DD143   F51  C~1vXG      
2014 03  05.49384  11 22 40.355  +02 58 43.56  22.6G 14DD143   F51  C~2rXz      
2014 03  05.50619  11 22 40.300  +02 58 43.88  21.8G 14DD143   F51  C~2rXz      
2014 03  05.51858  11 22 40.242  +02 58 44.21  22.5G 14DD143   F51  C~2rXz      
2014 03  24.35050  11 21 18.009  +03 07 39.40  22.2w 14DD143   F51  C~1vXG      
2014 03  24.36260  11 21 17.950  +03 07 39.75  22.5w 14DD143   F51  C~1vXG      
2014 03  24.37474  11 21 17.904  +03 07 40.21  22.4w 14DD143   F51  C~1vXG      
2014 05  20.28134  11 18 33.276  +03 26 26.53  22.3w 14DD143   F51  C~1vXG      
2014 05  20.30470  11 18 33.245  +03 26 26.95  22.6w 14DD143   F51  C~1vXG      
2014 05  20.31638  11 18 33.221  +03 26 26.89  22.7w 14DD143   F51  C~1vXG      
2014 11  29.61804  11 30 26.580  +02 12 29.64  22.7G 14DD143   F51  C~2rXz      
2014 12  10.61254  11 30 43.851  +02 10 27.31  22.4G 14DD143   F51  C~2rXz      
2015 01  19.52663  11 30 17.529  +02 12 38.51  22.6w 14DD143   F51  C~1vXG      
2015 01  19.54014  11 30 17.508  +02 12 38.85  22.6w 14DD143   F51  C~1vXG      
2015 01  19.55368  11 30 17.506  +02 12 38.82  22.7w 14DD143   F51  C~1vXG      
2015 01  19.56726  11 30 17.444  +02 12 39.09  22.7w 14DD143   F51  C~1vXG      
2015 01  21.55962  11 30 12.702  +02 13 08.29  22.5w 14DD143   F51  C~1vXG      
2015 01  21.57118  11 30 12.660  +02 13 08.34  22.5w 14DD143   F51  C~1vXG      
2015 01  21.58273  11 30 12.645  +02 13 08.52  22.7w 14DD143   F51  C~1vXG      
2015 01  21.59433  11 30 12.613  +02 13 08.94  22.6w 14DD143   F51  C~1vXG      
2015 01  29.55427  11 29 50.746  +02 15 24.02  22.9G 14DD143   F51  C~2rXz      
2015 01  31.55697  11 29 44.600  +02 16 02.56  22.0G 14DD143   F51  C~2rXz      
2015 04  25.26130  11 24 15.729  +02 51 49.37  22.6G 14DD143   F51  C~2rXz      
2016 01  13.57305  11 35 21.814  +01 42 35.62  21.3G 14DD143   F51  C~2rXz      
2016 01  21.62723  11 35 05.387  +01 44 16.40  22.4G 14DD143   F51  C~2rXz      
2016 02  05.49352  11 34 22.899  +01 48 41.77  22.4G 14DD143   F51  C~2rXz      
2016 02  05.50534  11 34 22.851  +01 48 42.08  21.3G 14DD143   F51  C~2rXz      
2016 02  05.51716  11 34 22.802  +01 48 42.34  22.6G 14DD143   F51  C~2rXz      
2016 03  15.37540  11 31 45.089  +02 05 38.76  22.6G 14DD143   F51  C~2rXz      
2016 04  05.36446  11 30 16.389  +02 15 24.74  21.8G 14DD143   F51  C~2rXz      
2017 01  02.58442  11 40 25.262  +01 12 38.23  22.5G 14DD143   F51  C~2rXz      
2017 01  02.59617  11 40 25.271  +01 12 38.24  22.3G 14DD143   F51  C~2rXz      
2017 01  02.60792  11 40 25.262  +01 12 38.25  22.6G 14DD143   F51  C~2rXz      
2017 01  02.61974  11 40 25.252  +01 12 38.40  22.7G 14DD143   F51  C~2rXz      
2017 01  28.54188  11 39 38.026  +01 17 25.24  22.4G 14DD143   F51  C~2rXz      
2017 01  28.55370  11 39 37.973  +01 17 25.58  22.4G 14DD143   F51  C~2rXz      
2017 01  28.56554  11 39 37.951  +01 17 25.70  22.6G 14DD143   F51  C~2rXz      
2017 01  28.57732  11 39 37.939  +01 17 25.78  22.3G 14DD143   F51  C~2rXz      
2017 02  21.45187  11 38 14.873  +01 26 14.77  23.0G 14DD143   F51  C~2rXz      
2017 03  18.29579  11 36 28.376  +01 37 48.59  22.5G 14DD143   F51  C~2rXz      
2017 03  18.30744  11 36 28.311  +01 37 48.96  22.3G 14DD143   F51  C~2rXz      
2017 03  18.31908  11 36 28.259  +01 37 49.16  22.6G 14DD143   F51  C~2rXz      
2017 03  18.33080  11 36 28.194  +01 37 49.48  22.0G 14DD143   F51  C~2rXz      
2017 03  23.15612  11 36 07.19   +01 40 08.2   22.8V 14DD143   W84  C~2y1m      
2017 03  23.22352  11 36 06.88   +01 40 10.2         14DD143   W84  C~2y1m      
2017 03  24.19208  11 36 02.71   +01 40 37.8         14DD143   W84  C~2y1m      
2017 03  28.46689  11 35 44.434  +01 42 38.55  22.2G 14DD143   F51  C~2rXz      
2017 04  22.27875  11 34 10.320  +01 53 10.43  22.3G 14DD143   F51  C~2rXz      
2017 04  22.29059  11 34 10.298  +01 53 10.74        14DD143   F51  C~2rXz      
2018 03  18.35883  11 41 23.767  +01 08 34.86  22.3G 14DD143   F51  C~2rXz      
2018 04  10.17142  11 39 48.063  +01 19 09.91  22.1R 14DD143   G37  C~2bH6      
2018 04  10.21699  11 39 47.836  +01 19 12.50        14DD143   G37  C~2bH6      
2018 04  10.26417  11 39 47.546  +01 19 17.26        14DD143   G37  C~2bH6      

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     0.06       0.00    -0.02
  2   0.0050      0.00     0.47       0.00    -0.19
  3   0.0571      0.00     0.09       0.00    -0.19
  4   0.0571      0.00    -0.05       0.00    -0.09
  5   0.0572      0.00    -0.13       0.00     0.05
  6   0.0572      0.00    -0.03       0.00    -0.00
  7   0.3087      0.00    -0.20       0.00    -0.18
  8   0.8190      0.00     0.06       0.00    -0.25
  9   0.9692      0.00    -0.15       0.00     0.27
 10   1.0508      0.00    -0.24       0.00     0.64
 11   1.0509      0.00    -0.19       0.00    -0.01
 12   1.0509      0.00    -0.05       0.00    -0.11
 13   1.7581      0.00     0.14       0.00     0.32
 14   1.8647      0.00    -0.04       0.00     0.16
 15   1.9410      0.00    -0.14       0.00    -0.18
 16   1.9411      0.00     0.04       0.00    -0.02
 17   1.9411      0.00    -0.13       0.00    -0.07
 18   1.9411      0.00     0.02       0.00    -0.13
 19   1.9901      0.00     0.08       0.00    -0.06
 20   1.9902      0.00     0.06       0.00    -0.01
 21   1.9902      0.00     0.05       0.00    -0.12
 22   1.9903      0.00     0.04       0.00     0.05
 23   2.9241      0.00    -0.05       0.00    -0.19
 24   2.9757      0.00     0.04       0.00    -0.09
 25   2.9758      0.00     0.09       0.00    -0.01
 26   2.9758      0.00     0.15       0.00    -0.03
 27   2.9758      0.00    -0.03       0.00    -0.14
 28   2.9897      0.00    -0.20       0.00    -0.11
 29   2.9897      0.00    -0.19       0.00    -0.14
 30   2.9897      0.00    -0.23       0.00    -0.16
 31   3.0413      0.00     0.05       0.00     0.07
 32   3.0413      0.00    -0.05       0.00     0.08
 33   3.0414      0.00     0.05       0.00     0.20
 34   3.1972      0.00     0.27       0.00    -0.09
 35   3.1972      0.00     0.17       0.00     0.15
 36   3.1973      0.00    -0.01       0.00    -0.01
 37   3.7265      0.00    -0.08       0.00     0.23
 38   3.7566      0.00     0.16       0.00    -0.06
 39   3.8659      0.00    -0.27       0.00     0.03
 40   3.8659      0.00    -0.10       0.00     0.18
 41   3.8659      0.00     0.36       0.00    -0.04
 42   3.8660      0.00    -0.08       0.00     0.04
 43   3.8714      0.00     0.28       0.00     0.08
 44   3.8715      0.00     0.09       0.00    -0.05
 45   3.8715      0.00     0.31       0.00    -0.04
 46   3.8715      0.00     0.27       0.00     0.20
 47   3.8933      0.00    -0.09       0.00     0.12
 48   3.8988      0.00    -0.03       0.00     0.27
 49   4.1280      0.00     0.13       0.00     0.05
 50   4.8489      0.00    -0.95       0.00    -0.37
 51   4.8709      0.00     0.01       0.00     0.14
 52   4.9116      0.00     0.17       0.00    -0.13
 53   4.9117      0.00     0.05       0.00    -0.07
 54   4.9117      0.00    -0.08       0.00    -0.06
 55   5.0181      0.00    -0.07       0.00     0.14
 56   5.0756      0.00    -0.14       0.00     0.19
 57   5.8209      0.00    -0.29       0.00     0.06
 58   5.8209      0.00    -0.01       0.00     0.03
 59   5.8209      0.00     0.01       0.00    -0.01
 60   5.8210      0.00     0.01       0.00     0.09
 61   5.8919      0.00     0.12       0.00     0.01
 62   5.8920      0.00    -0.16       0.00     0.15
 63   5.8920      0.00     0.02       0.00     0.06
 64   5.8920      0.00     0.35       0.00    -0.07
 65   5.9574      0.00     0.05       0.00    -0.37
 66   6.0254      0.00     0.21       0.00     0.03
 67   6.0254      0.00     0.01       0.00     0.07
 68   6.0255      0.00     0.01       0.00    -0.07
 69   6.0255      0.00    -0.19       0.00    -0.09
 70   6.0387      0.00     0.07       0.00     0.05
 71   6.0389      0.00    -0.13       0.00     0.13
 72   6.0415      0.00     0.05       0.00     0.11
 73   6.0533      0.00     0.01       0.00     0.15
 74   6.1212      0.00    -0.22       0.00    -0.03
 75   6.1212      0.00     0.03       0.00     0.02
 76   7.0249      0.00     0.07       0.00    -0.06
 77   7.0873      0.00     0.32       0.00    -0.92
 78   7.0875      0.00    -0.39       0.00     0.48
 79   7.0876      0.00 (  -1.94)      0.00 (   4.01)

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.

14DD143    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        43.734    43.734    43.734
ecceobj         0.016     0.016     0.016
incobj          1.934     1.934     1.934
qmin           42.155    42.155    42.155
qmax           45.750    45.751    45.750
amean          43.885    43.885    43.885
amin           43.544    43.543    43.544
amax           44.227    44.227    44.227
emean           0.019     0.019     0.019
emin            0.003     0.003     0.003
emax            0.034     0.034     0.034
imean           3.039     3.039     3.039
imin            2.387     2.387     2.387
imax            3.677     3.677     3.677
excite_mean     0.057     0.057     0.057
fracstop        1.000     1.000     1.000
cjmean          3.096     3.096     3.096

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       179.6     179.6     179.7
kozaiamp        179.9     180.0     179.9