Orbit Fit and Astrometric record for 11CX119

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: 11CX119   
# Created Mon Oct 23 01:37:57 2017
# Orbit generated from Bernstein formalism
# Fitting   27 observations of   27
# Arc:   3.21y
# First observation: 2011/02/04
#  Last observation: 2014/04/23
Preliminary a, adot, b, bdot, g, gdot:
   0.000021   0.018270  -0.000034  -0.009167   0.022847   0.000000
# Chi-squared of fit:    25.60 DOF:   48 RMS:  0.17
# Min/Max residuals:    -0.38    0.39
# Exact a, adot, b, bdot, g, gdot:
  1.293070E-05  1.837786E-02 -6.217744E-06 -9.255260E-03  2.286500E-02  2.734383E-03
# Covariance matrix:
  1.6126E-13 -1.8035E-13 -2.0461E-14  6.5593E-14 -1.0626E-13 -2.6524E-12
 -1.8035E-13  5.2546E-13  9.4033E-14 -3.0069E-13  3.0941E-13  1.2202E-11
 -2.0461E-14  9.4033E-14  1.5264E-13 -1.3498E-13  3.2280E-14  2.7548E-12
  6.5593E-14 -3.0069E-13 -1.3498E-13  2.7502E-13 -1.0534E-13 -8.7884E-12
 -1.0626E-13  3.0941E-13  3.2280E-14 -1.0534E-13  6.0868E-13  4.1543E-12
 -2.6524E-12  1.2202E-11  2.7548E-12 -8.7884E-12  4.1543E-12  3.5781E-10
#      lat0       lon0       xBary       yBary       zBary        JD0
   -6.129428  155.948104    0.349396   -0.098806   -0.920078  2455596.954856
# Heliocentric elements and errors
Epoch:              2455590.5000  =  2011/01/29
Mean Anomaly:          112.36079 +/-     0.243
Argument of Peri:       66.62140 +/-     0.219
Long of Asc Node:      323.80452 +/-     0.000
Inclination:            27.42681 +/-     0.001
Eccentricity:         0.14382934 +/-    0.0006
Semi-Major Axis:     41.69470183 +/-    0.0110
Time of Perihelion: 2424898.0178 +/-      65.4
Perihelion:          35.69778032 +/-    0.0285
Aphelion:            47.69162333 +/-    0.0296
Period (y)              269.2338 +/-      0.11
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -40.40812210 +/-    0.0014
Ecliptic Y           18.41807307 +/-    0.0006
Ecliptic Z           -4.67007641 +/-    0.0002
Ecliptic XDOT        -0.00108721 +/-    0.0000
Ecliptic YDOT        -0.00191897 +/-    0.0000
Ecliptic ZDOT        -0.00113683 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   44.65256276 +/-    0.0013
Geocenter to KBO     43.73496442 +/-    0.0015
# Hcoef:  6.48

The following table shows the complete astrometric record for 11CX119. 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 (11CX119) followed by the observatory code and reference code for the source of the astrometry.

2011 02  04.45409  10 21 53.882  +03 37 30.60  23.3w 11CX119   F51  C~1w3m      
2011 02  04.46836  10 21 53.824  +03 37 30.78  23.1w 11CX119   F51  C~1w3m      
2011 02  04.48281  10 21 53.750  +03 37 30.99  23.2w 11CX119   F51  C~1w3m      
2011 02  04.49725  10 21 53.713  +03 37 31.28  23.2w 11CX119   F51  C~1w3m      
2011 02  05.44220  10 21 49.588  +03 37 46.56  23.2w 11CX119   F51  C~1w3m      
2011 02  05.45647  10 21 49.528  +03 37 47.00  23.1w 11CX119   F51  C~1w3m      
2011 02  05.47091  10 21 49.456  +03 37 47.82  23.5w 11CX119   F51  C~1w3m      
2011 02  05.48532  10 21 49.390  +03 37 47.49  23.6w 11CX119   F51  C~1w3m      
2012 01  19.45923  10 26 06.818  +02 41 36.48  23.3w 11CX119   F51  C~1w3m      
2012 01  19.45989  10 26 06.787  +02 41 36.11  23.5w 11CX119   F51  C~1w3m      
2012 01  19.48205  10 26 06.751  +02 41 36.69  23.2w 11CX119   F51  C~1w3m      
2012 01  19.48271  10 26 06.736  +02 41 36.77  23.8w 11CX119   F51  C~1w3m      
2012 01  19.49609  10 26 06.679  +02 41 36.85  23.2w 11CX119   F51  C~1w3m      
2012 01  19.49675  10 26 06.688  +02 41 36.87  23.5w 11CX119   F51  C~1w3m      
2012 01  19.51019  10 26 06.618  +02 41 37.01  23.6w 11CX119   F51  C~1w3m      
2012 03  19.33167  10 21 48.582  +02 59 57.75  23.0w 11CX119   F51  C~1w3m      
2012 03  19.35959  10 21 48.454  +02 59 58.70  23.4w 11CX119   F51  C~1w3m      
2012 03  19.37357  10 21 48.421  +02 59 58.72  23.3w 11CX119   F51  C~1w3m      
2013 02  15.46437  10 27 19.276  +01 56 07.92  22.5w 11CX119   F51  C~1w3m      
2013 02  15.49174  10 27 19.177  +01 56 08.11  22.7w 11CX119   F51  C~1w3m      
2013 02  15.50540  10 27 19.093  +01 56 08.45  22.5w 11CX119   F51  C~1w3m      
2013 03  05.40589  10 25 57.963  +02 02 22.37  22.8w 11CX119   F51  C~1w3m      
2013 03  05.42088  10 25 57.885  +02 02 22.86  22.6w 11CX119   F51  C~1w3m      
2013 03  05.43583  10 25 57.832  +02 02 23.27  22.9w 11CX119   F51  C~1w3m      
2013 03  05.45077  10 25 57.748  +02 02 23.46  22.3w 11CX119   F51  C~1w3n      
2014 04  23.24966  10 26 12.601  +01 27 32.55  22.2w 11CX119   F51  C~1w3n      
2014 04  23.27248  10 26 12.536  +01 27 33.23  21.9w 11CX119   F51  C~1w3n      

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    -0.05       0.00    -0.04
  2   0.0000     -0.87     0.04      -0.15    -0.06
  3   0.0001     -1.98    -0.09      -0.36    -0.14
  4   0.0001     -2.60     0.26      -0.29     0.06
  5   0.0027    -65.68     0.06      -8.53    -0.32
  6   0.0027    -66.68     0.03      -8.45    -0.11
  7   0.0028    -67.98    -0.29      -8.08     0.39
  8   0.0028    -68.78    -0.11      -8.74    -0.16
  9   0.9555   4751.08     0.01   -1743.09     0.13
 10   0.9555   4750.78    -0.25   -1743.60    -0.38
 11   0.9556   4750.07     0.25   -1743.26     0.21
 12   0.9556   4749.83     0.04   -1743.27     0.21
 13   0.9556   4749.00    -0.05   -1743.50     0.13
 14   0.9556   4749.12     0.10   -1743.44     0.20
 15   0.9557   4748.09    -0.19   -1743.69     0.10
 16   1.1194    746.05     0.09   -2127.31    -0.06
 17   1.1195    743.92    -0.20   -2127.12     0.19
 18   1.1196    743.45     0.26   -2127.28     0.05
 19   2.0315   6760.20    -0.22   -3888.71    -0.08
 20   2.0316   6758.75     0.27   -3889.08    -0.24
 21   2.0316   6757.45    -0.06   -3889.22    -0.28
 22   2.0806   5487.33     0.17   -3984.61    -0.05
 23   2.0807   5486.06    -0.03   -3984.58     0.04
 24   2.0807   5485.17     0.16   -3984.49     0.20
 25   2.0808   5483.93    -0.01   -3984.77    -0.02
 26   3.2137   6455.71     0.05   -5852.58    -0.09
 27   3.2137   6454.55    -0.26   -5852.30     0.12

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.

11CX119    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        41.783    41.816    41.750
ecceobj         0.145     0.146     0.143
incobj         27.409    27.410    27.408
qmin           35.222    35.273    35.396
qmax           48.728    48.805    48.558
amean          41.821    41.864    41.807
amin           41.453    41.515    41.439
amax           42.192    42.232    42.184
emean           0.137     0.138     0.134
emin            0.119     0.122     0.116
emax            0.156     0.156     0.152
imean          28.621    28.631    28.641
imin           28.177    28.189    28.172
imax           29.022    29.008    28.997
excite_mean     0.498     0.499     0.498
fracstop        1.000     1.000     1.000
cjmean          2.769     2.769     2.769

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       174.0     175.6     175.5
kozaiamp        180.0     179.9     179.9