Orbit Fit and Astrometric record for 14DE143

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: 14DE143   
# Created Fri Dec 15 02:37:56 2017
# Orbit generated from Bernstein formalism
# Fitting   32 observations of   33
# Arc:   3.88y
# First observation: 2011/04/02
#  Last observation: 2015/02/16
Preliminary a, adot, b, bdot, g, gdot:
   0.000033   0.021732  -0.000016   0.002470   0.023857   0.000000
# Chi-squared of fit:    14.97 DOF:   58 RMS:  0.12
# Min/Max residuals:    -0.29    0.28
# Exact a, adot, b, bdot, g, gdot:
  1.510374E-05  2.182417E-02  1.512953E-06  2.468805E-03  2.329991E-02 -2.818380E-04
# Covariance matrix:
  3.1801E-13 -2.3701E-13  8.1224E-15 -1.7858E-14 -1.5684E-13 -1.8794E-12
 -2.3701E-13  3.9481E-13 -1.9078E-14  4.2301E-14  4.4767E-13  4.4471E-12
  8.1224E-15 -1.9078E-14  2.4363E-13 -7.9456E-14 -2.5227E-14 -2.3598E-13
 -1.7858E-14  4.2301E-14 -7.9456E-14  3.5329E-14  5.7055E-14  5.2522E-13
 -1.5684E-13  4.4767E-13 -2.5227E-14  5.7055E-14  8.4200E-13  5.9834E-12
 -1.8794E-12  4.4471E-12 -2.3598E-13  5.2522E-13  5.9834E-12  5.5190E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.665823  169.384455   -0.385709    0.010740   -0.926261  2455653.800826
# Heliocentric elements and errors
Epoch:              2455650.5000  =  2011/03/30
Mean Anomaly:          190.31321 +/-     1.105
Argument of Peri:      175.80139 +/-     1.104
Long of Asc Node:      164.15205 +/-     0.001
Inclination:             6.49415 +/-     0.000
Eccentricity:         0.01754494 +/-    0.0001
Semi-Major Axis:     43.09822525 +/-    0.0052
Time of Perihelion: 2504362.1714 +/-     317.2
Perihelion:          42.34206966 +/-    0.0058
Aphelion:            43.85438085 +/-    0.0059
Period (y)              282.9419 +/-      0.05
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -43.15881187 +/-    0.0017
Ecliptic Y            7.69659318 +/-    0.0003
Ecliptic Z            0.49881243 +/-    0.0000
Ecliptic XDOT        -0.00043819 +/-    0.0000
Ecliptic YDOT        -0.00252129 +/-    0.0000
Ecliptic ZDOT         0.00028972 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   43.84255241 +/-    0.0016
Geocenter to KBO     42.91861466 +/-    0.0017
# Hcoef:  5.84

The following table shows the complete astrometric record for 14DE143. 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 (14DE143) followed by the observatory code and reference code for the source of the astrometry.

2011 04  02.30006  11 22 01.151  +04 48 53.11  22.3w 14DE143   F51  C~1vXG      
2011 04  02.31519  11 22 01.086  +04 48 53.41  22.3w 14DE143   F51  C~1vXG      
2011 04  02.33138  11 22 01.031  +04 48 53.85  22.2w 14DE143   F51  C~1vXG      
2011 04  02.34648  11 22 00.966  +04 48 54.32  22.1w 14DE143   F51  C~1vXG      
2012 03  27.34025  11 27 12.156  +04 24 52.95  22.7w 14DE143   F51  C~1vXG      
2012 03  27.35470  11 27 12.089  +04 24 53.32  22.6w 14DE143   F51  C~1vXG      
2012 03  27.36916  11 27 12.022  +04 24 53.71  22.4w 14DE143   F51  C~1vXG      
2013 06  27.27363  11 29 40.509  +04 18 47.07  22.4w 14DE143   F51  C~1vXG      
2013 06  27.27890  11 29 40.526  +04 18 46.72  22.4w 14DE143   F51  C~1vXG      
2013 06  27.28416  11 29 40.546  +04 18 46.77  22.6w 14DE143   F51  C~1vXG      
2014 02  28.40826  11 38 49.559  +03 27 47.06  22.3w 14DE143   F51  C~1vXG      
2014 02  28.42076  11 38 49.500  +03 27 47.41  22.2w 14DE143   F51  C~1vXG      
2014 02  28.43313  11 38 49.450  +03 27 47.91  22.1w 14DE143   F51  C~1vXG      
2014 02  28.44551  11 38 49.399  +03 27 48.23  22.3w 14DE143   F51  C~1vXG      
2014 03  05.49715  11 38 28.186  +03 30 14.87  22.2w 14DE143   F51  C~1vXG      
2014 03  05.50949  11 38 28.127  +03 30 15.11  22.1w 14DE143   F51  C~1vXG      
2014 03  05.52187  11 38 28.090  +03 30 15.32  22.2w 14DE143   F51  C~1vXG      
2014 03  24.35445  11 37 07.328  +03 39 25.59  22.2w 14DE143   F51  C~1vXG      
2014 03  24.36657  11 37 07.302  +03 39 25.78  22.1w 14DE143   F51  C~1vXG      
2014 03  24.37867  11 37 07.220  +03 39 26.00  22.3w 14DE143   F51  C~1vXG      
2014 03  24.39084  11 37 07.176  +03 39 26.60  22.2w 14DE143   F51  C~1vXG      
2014 05  20.28415  11 34 12.935  +03 58 38.44  22.4w 14DE143   F51  C~1vXG      
2014 05  20.29584  11 34 12.902  +03 58 38.75  22.6w 14DE143   F51  C~1vXG      
2014 05  20.30751  11 34 12.895  +03 58 38.63  22.5w 14DE143   F51  C~1vXG      
2014 05  20.31921  11 34 12.882  +03 58 38.78  22.6w 14DE143   F51  C~1vXG      
2015 01  19.53214  11 45 48.345  +02 50 01.42  22.4w 14DE143   F51  C~1vXG      
2015 01  19.54562  11 45 48.352  +02 50 01.16  22.4w 14DE143   F51  C~1vXG      
2015 01  19.55916  11 45 48.296  +02 50 01.58  22.3w 14DE143   F51  C~1vXG      
2015 01  19.57276  11 45 48.271  +02 50 01.99  22.5w 14DE143   F51  C~1vXG      
2015 02  16.45579  11 44 27.578  +03 00 02.07  22.2w 14DE143   F51  C~1vXG      
2015 02  16.46873  11 44 27.527  +03 00 02.55  22.1w 14DE143   F51  C~1vXG      
2015 02  16.48166  11 44 27.474  +03 00 02.74  22.4w 14DE143   F51  C~1vXG      
2015 02  16.49460  11 44 27.424  +03 00 03.12  22.4w 14DE143   F51  C~1vXG      

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     0.03
  2   0.0000     -1.01    -0.08      -0.11    -0.08
  3   0.0001     -1.94     0.05      -0.02    -0.01
  4   0.0001     -3.02    -0.03       0.03     0.03
  5   0.9857   4842.57     0.10     504.31     0.15
  6   0.9858   4841.50     0.03     504.25     0.09
  7   0.9858   4840.43    -0.05     504.21     0.04
  8   2.2368   7027.72    -0.04    1043.58    -0.07
  9   2.2368   7028.09     0.17    1043.36    -0.29
 10   2.2368   7028.35     0.26    1043.53    -0.13
 11   2.9106  15812.86     0.08    1490.32    -0.17
 12   2.9107  15811.90    -0.00    1490.29    -0.21
 13   2.9107  15811.01    -0.03    1490.45    -0.07
 14   2.9107  15810.18     0.00    1490.44    -0.09
 15   2.9246  15458.44    -0.12    1498.80     0.11
 16   2.9246  15457.53    -0.15    1498.67    -0.04
 17   2.9246  15456.93     0.14    1498.64    -0.08
 18   2.9762  14121.91    -0.15    1523.43     0.19
 19   2.9762  14121.48     0.28    1523.45     0.20
 20   2.9763  14120.26    -0.08    1523.16    -0.09
 21   2.9763  14119.41    -0.07    1523.45     0.19
 22   3.1321  11257.74     0.03    1546.37     0.03
 23   3.1321  11257.16    -0.29    1546.46     0.13
 24   3.1321  11257.11    -0.08    1546.30    -0.02
 25   3.1322  11256.87    -0.06    1546.36     0.05
 26   3.8008  22527.13    -0.20    1912.60     0.07
 27   3.8008  22527.33 (   0.47)   1912.40 (  -0.16)
 28   3.8008  22526.38    -0.01    1912.46    -0.14
 29   3.8009  22525.87    -0.05    1912.68     0.06
 30   3.8772  21162.88     0.18    1980.90     0.01
 31   3.8773  21161.98     0.09    1981.04     0.12
 32   3.8773  21161.17     0.09    1980.89    -0.04
 33   3.8773  21160.32     0.06    1980.94    -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.

14DE143    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        43.130    43.145    43.115
ecceobj         0.017     0.017     0.017
incobj          6.496     6.496     6.496
qmin           41.649    41.674    41.591
qmax           45.131    45.070    45.077
amean          43.293    43.308    43.278
amin           42.961    42.977    42.952
amax           43.638    43.645    43.615
emean           0.019     0.019     0.020
emin            0.003     0.003     0.003
emax            0.034     0.033     0.034
imean           6.391     6.385     6.398
imin            5.677     5.679     5.675
imax            7.107     7.096     7.118
excite_mean     0.113     0.113     0.113
fracstop        1.000     1.000     1.000
cjmean          3.078     3.078     3.078

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       182.3     182.6     182.7
kozaiamp        179.9     180.0     180.0