Orbit Fit and Astrometric record for 471136

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: 471136    
# Created Fri Oct 20 01:36:52 2017
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   70 observations of   71
# Arc:   8.18y
# First observation: 2007/04/20
#  Last observation: 2015/06/24
# Chi-squared of fit:   140.03 DOF:  134 RMS:  0.25
# Min/Max residuals:    -0.51    0.93
# Exact a, adot, b, bdot, g, gdot:
  2.734524E-05  1.045430E-01 -2.539524E-06 -1.903242E-02  6.314131E-02 -3.823452E-02
# Covariance matrix:
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
#      lat0       lon0       xBary       yBary       zBary        JD0
   -6.002591  163.254324   -0.722922   -0.072314   -0.688373  2454210.730672
# Heliocentric elements and errors
Epoch:              2454210.5000  =  2007/04/20
Mean Anomaly:          336.71059 +/-     0.000
Argument of Peri:      270.42714 +/-     0.000
Long of Asc Node:      315.77183 +/-     0.000
Inclination:            11.37255 +/-     0.000
Eccentricity:         0.44305745 +/-    0.0000
Semi-Major Axis:     25.15430477 +/-    0.0000
Time of Perihelion: 2457191.5748 +/-       0.0
Perihelion:          14.00950273 +/-    0.0000
Aphelion:            36.29910681 +/-    0.0000
Period (y)              126.1615 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -15.95569036 +/-    0.0000
Ecliptic Y            4.04039819 +/-    0.0000
Ecliptic Z           -1.65619235 +/-    0.0000
Ecliptic XDOT         0.00036127 +/-    0.0000
Ecliptic YDOT        -0.00484382 +/-    0.0000
Ecliptic ZDOT        -0.00064745 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   16.54255868 +/-    0.0000
Geocenter to KBO     15.83768576 +/-    0.0000
# Hcoef:  9.66

The following table shows the complete astrometric record for 471136. 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 (471136) followed by the observatory code and reference code for the source of the astrometry.

2007 04  20.229918 10 49 04.60   +01 02 00.5   22.0V 471136    645  C~1Sgx      
2007 04  20.230747 10 49 04.59   +01 02 00.5   22.0V 471136    645  C~1Sgx      
2007 04  20.233235 10 49 04.58   +01 02 00.6   22.8V 471136    645  C~1Sgx      
2010 03  09.07113  12 05 33.252  -10 35 20.47  21.1R 471136    809  C~0F7m      
2010 03  09.15490  12 05 32.344  -10 35 16.47  20.6R 471136    809  C~0F7m      
2010 03  09.23757  12 05 31.428  -10 35 13.12  21.4R 471136    809  C~0F7m      
2010 03  10.07059  12 05 22.364  -10 34 33.42  22.0R 471136    809  C~0F7m      
2010 03  10.15359  12 05 21.486  -10 34 29.46  20.6R 471136    809  C~0F7m      
2010 03  10.23675  12 05 20.533  -10 34 25.82  21.3R 471136    809  C~0F7m      
2010 03  12.26920  12 04 58.153  -10 32 45.81        471136    807  C~0F7m      
2010 03  12.31654  12 04 57.619  -10 32 43.44        471136    807  C~0F7m      
2010 03  26.20559  12 02 21.180  -10 19 35.01  21.1R 471136    807  C~0Fo2      
2010 03  26.24212  12 02 20.763  -10 19 32.99  21.0R 471136    807  C~0Fo2      
2010 04  23.03667  11 57 33.592  -09 48 34.47  21.2R 471136    807  C~0Gty      
2010 04  23.06420  11 57 33.346  -09 48 32.63  21.1R 471136    807  C~0Gty      
2011 03  10.32563  12 32 38.51   -14 29 36.7   21.0R 471136    688  C~0UVL      
2011 03  10.39914  12 32 37.69   -14 29 34.1         471136    688  C~0UVL      
2011 03  25.36056  12 29 50.309  -14 17 45.99  21.2r 471136    F51  C~1vWA      
2011 03  25.37116  12 29 50.188  -14 17 45.46  21.1r 471136    F51  C~1vWA      
2011 03  25.39555  12 29 49.894  -14 17 44.00  21.0i 471136    F51  C~1vWA      
2011 03  31.36654  12 28 40.526  -14 11 50.91  21.2w 471136    F51  C~1vWA      
2011 03  31.38208  12 28 40.341  -14 11 49.95  21.1w 471136    F51  C~1vWA      
2011 03  31.39866  12 28 40.144  -14 11 48.96  21.1w 471136    F51  C~1vWA      
2011 03  31.41417  12 28 39.960  -14 11 48.01  21.1w 471136    F51  C~1vWA      
2011 04  02.28493  12 28 18.22   -14 09 50.4   20.9V 471136    G96  C~0UVL      
2011 04  02.30103  12 28 18.08   -14 09 49.7   20.6V 471136    G96  C~0UVL      
2011 04  02.30906  12 28 17.94   -14 09 49.3   21.4V 471136    G96  C~0UVL      
2012 03  27.29116  12 58 56.42   -18 11 33.1   21.0V 471136    G96  C~0fFC      
2012 03  27.29987  12 58 56.31   -18 11 32.9   20.9V 471136    G96  C~0fFC      
2012 03  27.30863  12 58 56.17   -18 11 32.6   20.8V 471136    G96  C~0fFC      
2012 03  27.31736  12 58 56.10   -18 11 31.8   21.3V 471136    G96  C~0fFC      
2012 03  27.45104  12 58 54.515  -18 11 25.11  21.8g 471136    F51  C~1vWA      
2012 03  27.46272  12 58 54.368  -18 11 24.95  21.4g 471136    F51  C~1vWA      
2012 03  27.47410  12 58 54.227  -18 11 24.11  21.2r 471136    F51  C~1vWA      
2012 03  27.48495  12 58 54.124  -18 11 23.62  21.0r 471136    F51  C~1vWA      
2012 04  24.35242  12 53 27.836  -17 41 52.94  21.1w 471136    F51  C@0611      
2012 04  24.36718  12 53 27.676  -17 41 51.93  21.0w 471136    F51  C~1vWA      
2012 04  24.38193  12 53 27.514  -17 41 50.85  21.1w 471136    F51  C@0611      
2012 04  24.39672  12 53 27.349  -17 41 49.81  21.1w 471136    F51  C@0611      
2014 05  23.31324  13 54 27.099  -24 33 50.45  21.0w 471136    F51  C~1vWA      
2014 05  23.32452  13 54 26.984  -24 33 49.50  21.0w 471136    F51  C~1vWA      
2014 05  23.33579  13 54 26.868  -24 33 48.75  21.1w 471136    F51  C~1vWA      
2014 05  23.34707  13 54 26.754  -24 33 47.92  21.2w 471136    F51  C~1vWA      
2014 06  04.30897  13 52 41.551  -24 19 05.00  20.8i 471136    F51  C~1vWA      
2014 06  04.32060  13 52 41.465  -24 19 04.62  21.0i 471136    F51  C~1vWA      
2014 06  04.33223  13 52 41.366  -24 19 03.52  20.9i 471136    F51  C~1vWA      
2015 03  31.52349  14 41 56.497  -28 22 33.86  20.8i 471136    F51  C~1vWA      
2015 03  31.53470  14 41 56.381  -28 22 33.86  20.9i 471136    F51  C~1vWA      
2015 03  31.54595  14 41 56.288  -28 22 33.43  21.0i 471136    F51  C~1vWA      
2015 03  31.55718  14 41 56.149  -28 22 33.52  20.6i 471136    F51  C~1vWA      
2015 04  16.45515  14 38 56.942  -28 17 16.04  20.9w 471136    F51  C~1vWA      
2015 04  16.46607  14 38 56.808  -28 17 15.62  21.1w 471136    F51  C~1vWA      
2015 04  16.47700  14 38 56.681  -28 17 15.12  20.7w 471136    F51  C~1vWA      
2015 04  18.45548  14 38 32.039  -28 16 08.55  20.9w 471136    F51  C~1vWA      
2015 04  18.46645  14 38 31.884  -28 16 08.28  21.0w 471136    F51  C~1vWA      
2015 04  18.47743  14 38 31.740  -28 16 07.70  21.1w 471136    F51  C~1vWA      
2015 04  18.48837  14 38 31.606  -28 16 07.17  21.0w 471136    F51  C~1vWA      
2015 04  24.43232  14 37 15.655  -28 12 13.10  20.9w 471136    F51  C~1vWA      
2015 04  24.45436  14 37 15.366  -28 12 12.18  20.9w 471136    F51  C~1vWA      
2015 04  24.46531  14 37 15.211  -28 12 11.73  20.8w 471136    F51  C~1vWA      
2015 05  15.38669  14 32 42.974  -27 52 54.64  20.9w 471136    F51  C~1vWA      
2015 05  15.39732  14 32 42.837  -27 52 53.97  21.0w 471136    F51  C~1vWA      
2015 05  15.40794  14 32 42.698  -27 52 53.55  20.9w 471136    F51  C~1vWA      
2015 05  15.41862  14 32 42.571  -27 52 52.65  20.9w 471136    F51  C~1vWA      
2015 06  07.34507  14 28 28.022  -27 26 01.38  21.2w 471136    F51  C~1vWA      
2015 06  07.35540  14 28 27.906  -27 26 00.63  21.2w 471136    F51  C~1vWA      
2015 06  07.36574  14 28 27.824  -27 25 59.95  21.2w 471136    F51  C~1vWA      
2015 06  24.27702  14 26 25.554  -27 06 15.38  21.2r 471136    F51  C~1vWA      
2015 06  24.28824  14 26 25.492  -27 06 14.63  21.2r 471136    F51  C~1vWA      
2015 06  24.29918  14 26 25.430  -27 06 13.98  21.0r 471136    F51  C~1vWA      
2015 06  24.31014  14 26 25.375  -27 06 13.10  20.7r 471136    F51  C~1vWA      

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 (  -0.23)      0.00 (   2.77)
  2   0.0000      0.00    -0.40       0.00    -0.40
  3   0.0000      0.00    -0.33       0.00    -0.41
  4   2.8853      0.00     0.27       0.00     0.11
  5   2.8855      0.00     0.50       0.00     0.26
  6   2.8857      0.00     0.51       0.00    -0.22
  7   2.8880      0.00     0.28       0.00     0.20
  8   2.8882      0.00     0.93       0.00     0.24
  9   2.8885      0.00     0.55       0.00    -0.07
 10   2.8940      0.00     0.44       0.00     0.45
 11   2.8941      0.00     0.44       0.00     0.44
 12   2.9322      0.00     0.71       0.00     0.09
 13   2.9323      0.00     0.76       0.00    -0.17
 14   3.0084      0.00     0.44       0.00    -0.05
 15   3.0084      0.00     0.45       0.00    -0.04
 16   3.8880      0.00    -0.10       0.00     0.28
 17   3.8882      0.00    -0.46       0.00     0.13
 18   3.9292      0.00    -0.15       0.00    -0.14
 19   3.9292      0.00    -0.09       0.00    -0.20
 20   3.9293      0.00    -0.18       0.00    -0.10
 21   3.9456      0.00    -0.12       0.00    -0.14
 22   3.9457      0.00    -0.13       0.00    -0.13
 23   3.9457      0.00    -0.13       0.00    -0.16
 24   3.9457      0.00    -0.13       0.00    -0.17
 25   3.9509      0.00    -0.35       0.00     0.31
 26   3.9509      0.00     0.41       0.00    -0.01
 27   3.9509      0.00    -0.26       0.00    -0.12
 28   4.9365      0.00     0.37       0.00     0.12
 29   4.9365      0.00     0.28       0.00    -0.11
 30   4.9366      0.00    -0.25       0.00    -0.25
 31   4.9366      0.00     0.27       0.00     0.12
 32   4.9370      0.00     0.05       0.00     0.04
 33   4.9370      0.00    -0.05       0.00    -0.38
 34   4.9370      0.00    -0.12       0.00    -0.11
 35   4.9370      0.00     0.29       0.00    -0.17
 36   5.0133      0.00    -0.06       0.00    -0.03
 37   5.0134      0.00     0.02       0.00    -0.09
 38   5.0134      0.00     0.07       0.00    -0.08
 39   5.0135      0.00     0.09       0.00    -0.11
 40   7.0913      0.00    -0.00       0.00    -0.09
 41   7.0913      0.00     0.00       0.00     0.03
 42   7.0913      0.00    -0.01       0.00    -0.06
 43   7.0914      0.00     0.02       0.00    -0.07
 44   7.1241      0.00     0.55       0.00    -0.05
 45   7.1241      0.00     0.63       0.00    -0.51
 46   7.1242      0.00     0.51       0.00    -0.25
 47   7.9460      0.00     0.11       0.00    -0.10
 48   7.9461      0.00     0.09       0.00    -0.18
 49   7.9461      0.00     0.43       0.00     0.16
 50   7.9461      0.00     0.07       0.00    -0.01
 51   7.9897      0.00     0.01       0.00    -0.08
 52   7.9897      0.00     0.07       0.00    -0.01
 53   7.9897      0.00     0.24       0.00     0.13
 54   7.9951      0.00     0.21       0.00    -0.08
 55   7.9952      0.00     0.00       0.00    -0.19
 56   7.9952      0.00    -0.04       0.00    -0.00
 57   7.9952      0.00     0.06       0.00     0.14
 58   8.0115      0.00     0.13       0.00    -0.05
 59   8.0116      0.00     0.18       0.00    -0.09
 60   8.0116      0.00     0.04       0.00    -0.11
 61   8.0689      0.00     0.01       0.00     0.09
 62   8.0689      0.00     0.01       0.00     0.07
 63   8.0689      0.00    -0.02       0.00    -0.21
 64   8.0690      0.00     0.14       0.00    -0.00
 65   8.1317      0.00     0.25       0.00    -0.04
 66   8.1318      0.00    -0.02       0.00    -0.04
 67   8.1318      0.00     0.21       0.00    -0.11
 68   8.1781      0.00     0.15       0.00    -0.03
 69   8.1781      0.00     0.13       0.00    -0.02
 70   8.1781      0.00     0.09       0.00    -0.09
 71   8.1782      0.00     0.16       0.00     0.06

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.

471136    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj        24.972    24.972    24.972
ecceobj         0.438     0.438     0.438
incobj         11.376    11.376    11.376
qmin           13.987    13.737    13.987
qmax           36.343    37.293    36.342
amean          24.975    25.069    24.976
amin           24.796    24.540    24.798
amax           25.206    25.687    25.205
emean           0.439     0.444     0.439
emin            0.436     0.435     0.436
emax            0.442     0.452     0.442
imean          12.827    12.038    12.828
imin           12.790    11.686    12.790
imax           12.862    12.860    12.864
excite_mean     0.492     0.490     0.492
fracstop        0.000     0.005     0.000
cjmean          2.800     2.800     2.800

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       273.6     296.4     273.6
kozaiamp          2.5      27.2       2.5