Orbit Fit and Astrometric record for 14DL143

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: 14DL143   
# Created Sat Oct 21 01:38:20 2017
# Orbit generated from Bernstein formalism
# Fitting   43 observations of   43
# Arc:   3.92y
# First observation: 2011/06/19
#  Last observation: 2015/05/21
Preliminary a, adot, b, bdot, g, gdot:
  -0.000019   0.028144   0.000023  -0.004331   0.026065   0.000000
# Chi-squared of fit:    24.03 DOF:   80 RMS:  0.13
# Min/Max residuals:    -0.44    0.37
# Exact a, adot, b, bdot, g, gdot:
  1.643434E-05  2.711160E-02 -1.885721E-06 -4.187593E-03  2.560820E-02 -4.657439E-03
# Covariance matrix:
  3.5654E-13 -2.2619E-13 -1.3388E-14  2.2129E-14 -1.0951E-13 -1.2504E-12
 -2.2619E-13  2.2809E-13  1.7404E-14 -2.7081E-14  9.4513E-14  1.5307E-12
 -1.3388E-14  1.7404E-14  2.2668E-13 -7.2740E-14  8.1060E-15  1.3157E-13
  2.2129E-14 -2.7081E-14 -7.2740E-14  2.9444E-14 -1.6772E-14 -2.1291E-13
 -1.0951E-13  9.4513E-14  8.1060E-15 -1.6772E-14  1.6202E-13  9.4663E-13
 -1.2504E-12  1.5307E-12  1.3157E-13 -2.1291E-13  9.4663E-13  1.2032E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
    3.156054  177.881243   -1.016503    0.000518   -0.010487  2455731.778326
# Heliocentric elements and errors
Epoch:              2455730.5000  =  2011/06/18
Mean Anomaly:          327.57527 +/-     0.015
Argument of Peri:      209.49702 +/-     0.026
Long of Asc Node:       18.84688 +/-     0.001
Inclination:             9.38743 +/-     0.000
Eccentricity:         0.21516450 +/-    0.0001
Semi-Major Axis:     46.72443245 +/-    0.0046
Time of Perihelion: 2466237.7338 +/-       4.4
Perihelion:          36.67099336 +/-    0.0067
Aphelion:            56.77787154 +/-    0.0080
Period (y)              319.3922 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -39.00830593 +/-    0.0006
Ecliptic Y            0.42576498 +/-    0.0000
Ecliptic Z            2.14989865 +/-    0.0000
Ecliptic XDOT         0.00036258 +/-    0.0000
Ecliptic YDOT        -0.00290830 +/-    0.0000
Ecliptic ZDOT        -0.00047440 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   39.06982559 +/-    0.0006
Geocenter to KBO     39.04999136 +/-    0.0006
# Hcoef:  6.11

The following table shows the complete astrometric record for 14DL143. 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 (14DL143) followed by the observatory code and reference code for the source of the astrometry.

2011 06  19.27756  11 57 15.063  +03 44 17.28  22.3w 14DL143   F51  C~1vXH      
2011 06  19.28284  11 57 15.035  +03 44 17.39  22.3w 14DL143   F51  C~1vXH      
2011 06  19.28809  11 57 15.096  +03 44 17.32  22.1w 14DL143   F51  C~1vXH      
2011 06  19.29335  11 57 15.073  +03 44 17.16  22.2w 14DL143   F51  C~1vXH      
2013 04  04.37555  12 11 16.011  +01 48 46.83  21.5w 14DL143   F51  C~1vXH      
2013 04  04.39029  12 11 15.928  +01 48 47.38  21.6w 14DL143   F51  C~1vXH      
2013 04  04.40502  12 11 15.864  +01 48 48.02  21.8w 14DL143   F51  C~1vXH      
2013 04  04.41977  12 11 15.789  +01 48 48.12  21.8w 14DL143   F51  C~1vXH      
2013 04  10.230787 12 10 48.66   +01 51 21.2   22.4r 14DL143   309  C~2HP3      
2013 04  10.235463 12 10 48.64   +01 51 21.3   22.4r 14DL143   309  C~2HP3      
2013 04  10.240139 12 10 48.62   +01 51 21.4   22.5r 14DL143   309  C~2HP3      
2013 04  10.244803 12 10 48.60   +01 51 21.5   22.5r 14DL143   309  C~2HP3      
2013 04  10.249467 12 10 48.57   +01 51 21.6   22.6r 14DL143   309  C~2HP3      
2014 02  26.56457  12 19 43.423  +00 38 21.79  22.0w 14DL143   F51  C~1vXH      
2014 02  26.57680  12 19 43.369  +00 38 22.19  21.9w 14DL143   F51  C~1vXH      
2014 02  26.58906  12 19 43.321  +00 38 22.53  22.1w 14DL143   F51  C~1vXH      
2014 02  26.60129  12 19 43.280  +00 38 22.78  22.4w 14DL143   F51  C~1vXH      
2014 04  23.30810  12 15 25.465  +01 03 37.24  22.2w 14DL143   F51  C~1vXH      
2014 04  23.32023  12 15 25.426  +01 03 37.53  21.8w 14DL143   F51  C~1vXH      
2014 04  23.33243  12 15 25.372  +01 03 37.59  22.1w 14DL143   F51  C~1vXH      
2014 05  27.28651  12 13 41.205  +01 11 35.86  22.0w 14DL143   F51  C~1vXH      
2014 05  27.29900  12 13 41.175  +01 11 35.92  22.0w 14DL143   F51  C~1vXH      
2014 05  27.31148  12 13 41.150  +01 11 35.87  22.0w 14DL143   F51  C~1vXH      
2014 05  27.32399  12 13 41.120  +01 11 36.13  22.0w 14DL143   F51  C~1vXH      
2014 11  29.62701  12 26 00.553  -00 20 29.24  22.1w 14DL143   F51  C~1vXH      
2014 11  29.63227  12 26 00.580  -00 20 29.63  21.8w 14DL143   F51  C~1vXH      
2014 11  29.63753  12 26 00.589  -00 20 29.53  22.2w 14DL143   F51  C~1vXH      
2015 01  23.54180  12 27 00.948  -00 25 57.48  22.1w 14DL143   F51  C~1vXH      
2015 01  23.55713  12 27 00.919  -00 25 57.33  21.9w 14DL143   F51  C~1vXH      
2015 01  23.57253  12 27 00.895  -00 25 57.15  21.9w 14DL143   F51  C~1vXH      
2015 01  23.58792  12 27 00.869  -00 25 56.95  22.1w 14DL143   F51  C~1vXH      
2015 01  25.53409  12 26 57.643  -00 25 34.50  22.1w 14DL143   F51  C~1vXH      
2015 01  25.54943  12 26 57.615  -00 25 34.39  22.1w 14DL143   F51  C~1vXH      
2015 01  25.56474  12 26 57.590  -00 25 34.13  22.1w 14DL143   F51  C~1vXH      
2015 01  25.58005  12 26 57.561  -00 25 34.04  22.1w 14DL143   F51  C~1vXH      
2015 03  24.41927  12 23 21.842  -00 03 00.91  21.9w 14DL143   F51  C~1vXH      
2015 03  24.43374  12 23 21.771  -00 03 00.49  21.8w 14DL143   F51  C~1vXH      
2015 03  24.44821  12 23 21.689  -00 02 59.96  22.0w 14DL143   F51  C~1vXH      
2015 03  24.46276  12 23 21.631  -00 02 59.82  21.7w 14DL143   F51  C~1vXH      
2015 05  21.26457  12 19 26.388  +00 18 04.81  22.1w 14DL143   F51  C~1vXH      
2015 05  21.27887  12 19 26.355  +00 18 04.83  22.2w 14DL143   F51  C~1vXH      
2015 05  21.29322  12 19 26.302  +00 18 05.03  22.2w 14DL143   F51  C~1vXH      
2015 05  21.30751  12 19 26.281  +00 18 05.22  22.0w 14DL143   F51  C~1vXH      

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    -0.14
  2   0.0000     -0.43    -0.44      -0.07    -0.17
  3   0.0000      0.44     0.36       0.23     0.17
  4   0.0000      0.19     0.04      -0.05    -0.07
  5   1.7936  14342.24     0.20   -1316.52     0.04
  6   1.7936  14340.87    -0.02   -1316.52     0.11
  7   1.7936  14339.73    -0.02   -1316.32     0.37
  8   1.7937  14338.66     0.05   -1316.68     0.07
  9   1.8096  13902.64    -0.10   -1339.52    -0.07
 10   1.8096  13902.33    -0.07   -1339.54    -0.07
 11   1.8096  13902.01    -0.03   -1339.57    -0.08
 12   1.8096  13901.69    -0.00   -1339.60    -0.09
 13   1.8096  13901.24    -0.11   -1339.69    -0.15
 14   2.6921  23080.82     0.11   -2137.88    -0.08
 15   2.6921  23079.91     0.05   -2137.83    -0.02
 16   2.6922  23079.10     0.11   -2137.81     0.02
 17   2.6922  23078.43     0.29   -2137.83     0.02
 18   2.8447  18885.73    -0.37   -2302.39     0.12
 19   2.8447  18885.08    -0.21   -2302.36     0.22
 20   2.8448  18884.30    -0.15   -2302.63     0.01
 21   2.9377  17249.01     0.16   -2491.38     0.14
 22   2.9378  17248.57     0.07   -2491.50     0.09
 23   2.9378  17248.24     0.09   -2491.70    -0.02
 24   2.9378  17247.72    -0.08   -2491.64     0.12
 25   3.4479  29790.01     0.04   -3111.80     0.03
 26   3.4479  29790.55     0.26   -3112.00    -0.17
 27   3.4479  29790.64     0.03   -3111.85    -0.03
 28   3.5983  30772.22    -0.05   -3048.78     0.04
 29   3.5983  30771.75    -0.09   -3048.81     0.00
 30   3.5983  30771.34    -0.08   -3048.79     0.02
 31   3.5984  30770.90    -0.10   -3048.77     0.05
 32   3.6037  30716.37    -0.07   -3047.58     0.00
 33   3.6038  30715.93    -0.04   -3047.65    -0.07
 34   3.6038  30715.48    -0.02   -3047.56     0.02
 35   3.6038  30715.03     0.01   -3047.65    -0.07
 36   3.7622  27138.90    -0.06   -3105.46    -0.02
 37   3.7622  27137.74    -0.05   -3105.50    -0.01
 38   3.7623  27136.37    -0.24   -3105.51     0.03
 39   3.7623  27135.51     0.07   -3105.73    -0.15
 40   3.9206  23339.77     0.11   -3363.10     0.00
 41   3.9206  23339.30     0.20   -3363.28    -0.09
 42   3.9206  23338.48    -0.05   -3363.42    -0.14
 43   3.9207  23338.11     0.13   -3363.37     0.00

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.

14DL143    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        46.701    46.713    46.689
ecceobj         0.214     0.214     0.214
incobj          9.391     9.391     9.391
qmin           35.863    35.866    35.876
qmax           58.607    58.575    58.552
amean          46.975    46.991    46.965
amin           46.559    46.569    46.536
amax           47.513    47.531    47.501
emean           0.216     0.217     0.216
emin            0.200     0.200     0.200
emax            0.234     0.234     0.233
imean           9.116     9.119     9.117
imin            8.231     8.228     8.229
imax            9.969     9.964     9.978
excite_mean     0.268     0.268     0.268
fracstop        1.000     1.000     1.000
cjmean          3.048     3.048     3.048

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       185.1     184.8     185.4
kozaiamp        180.0     180.0     180.0