Orbit Fit and Astrometric record for 534631

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: 534631    
# Created Fri Jun  5 01:07:50 2020
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   83 observations of   83
# Arc:   7.33y
# First observation: 2010/09/13
#  Last observation: 2018/01/13
# Chi-squared of fit:    30.63 DOF:  160 RMS:  0.11
# Min/Max residuals:    -0.24    0.44
# Exact a, adot, b, bdot, g, gdot:
  2.254576E-05  5.338185E-02  6.939240E-06  1.524551E-02  3.927918E-02 -1.033415E-03
# 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
   -1.187566   12.066268    0.368906   -0.019335   -0.931252  2455452.967246
# Heliocentric elements and errors
Epoch:              2455452.5000  =  2010/09/13
Mean Anomaly:          356.72808 +/-     0.000
Argument of Peri:        2.90765 +/-     0.000
Long of Asc Node:       15.27307 +/-     0.000
Inclination:            15.94466 +/-     0.000
Eccentricity:         0.34150846 +/-    0.0000
Semi-Major Axis:     40.00845549 +/-    0.0000
Time of Perihelion: 2456292.5905 +/-       0.0
Perihelion:          26.34522942 +/-    0.0000
Aphelion:            53.67168156 +/-    0.0000
Period (y)              253.0672 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           25.88303035 +/-    0.0000
Ecliptic Y            5.15395300 +/-    0.0000
Ecliptic Z           -0.52745371 +/-    0.0000
Ecliptic XDOT        -0.00082624 +/-    0.0000
Ecliptic YDOT         0.00363453 +/-    0.0000
Ecliptic ZDOT         0.00106389 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   26.39647021 +/-    0.0000
Geocenter to KBO     25.45882653 +/-    0.0000
# Hcoef:  8.34

The following table shows the complete astrometric record for 534631. 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 (534631) followed by the observatory code and reference code for the source of the astrometry.

2010 09  13.46648  00 46 14.602  +03 40 34.65  22.8G 534631    F51  C~2rYC      
2010 09  15.52115  00 46 01.524  +03 39 29.11  22.1G 534631    F51  C~2rYC      
2010 09  16.47908  00 45 55.345  +03 38 57.91  22.0G 534631    F51  C~2rYC      
2010 10  04.46282  00 43 53.358  +03 28 44.08  21.9G 534631    F51  C~2rYC      
2010 10  14.30163  00 42 45.273  +03 23 06.39  21.9G 534631    F51  C~2rYC      
2010 11  01.24396  00 40 49.239  +03 13 52.43  22.4G 534631    F51  C~2rYC      
2011 09  26.48069  00 54 50.240  +05 33 38.50  22.2G 534631    F51  C~2rYC      
2011 10  18.37514  00 52 18.310  +05 21 12.04  22.8G 534631    F51  C~2rYC      
2011 10  25.26311  00 51 31.959  +05 17 26.60  22.6G 534631    F51  C~2rYC      
2012 10  08.41894  01 03 26.993  +07 26 17.38  22.0G 534631    F51  C~2rYC      
2012 10  09.35201  01 03 20.467  +07 25 45.66  22.4G 534631    F51  C~2rYC      
2012 10  09.36613  01 03 20.335  +07 25 45.27  22.1G 534631    F51  C~2rYC      
2012 10  09.38036  01 03 20.237  +07 25 45.04  22.2G 534631    F51  C~2rYC      
2012 10  09.39466  01 03 20.131  +07 25 44.43  22.3G 534631    F51  C~2rYC      
2013 09  15.59054  01 16 11.290  +09 36 47.41  22.8G 534631    F51  C~2rYC      
2013 09  24.54967  01 15 14.347  +09 32 41.90  22.2G 534631    F51  C~2rYC      
2014 07  25.52468  01 29 03.632  +11 37 10.69  22.5r 534631    568  C~2SDm      
2014 07  25.56621  01 29 03.642  +11 37 11.40  22.5r 534631    568  C~2SDm      
2014 07  25.60786  01 29 03.652  +11 37 12.10  22.4r 534631    568  C~2SDm      
2014 08  23.56417  01 28 16.862  +11 39 26.40  22.5r 534631    568  C~2SDm      
2014 08  23.61113  01 28 16.690  +11 39 26.12  22.3r 534631    568  C~2SDm      
2014 08  27.45651  01 28 02.278  +11 38 54.15  22.5r 534631    568  C~2SDm      
2014 08  27.59937  01 28 01.688  +11 38 52.76  22.4r 534631    568  C~2SDm      
2014 09  18.39229  01 26 10.002  +11 32 39.14  22.5r 534631    568  C~2SDm      
2014 09  18.43188  01 26 09.754  +11 32 38.20  22.4r 534631    568  C~2SDm      
2014 09  19.45160  01 26 03.482  +11 32 13.68  22.4G 534631    F51  C~2rYC      
2014 10  22.43319  01 22 16.224  +11 15 36.47  22.2r 534631    568  C~2SDm      
2014 10  22.47264  01 22 15.938  +11 15 35.13  22.3r 534631    568  C~2SDm      
2014 10  22.51153  01 22 15.657  +11 15 33.83  22.3r 534631    568  C~2SDm      
2014 10  23.43094  01 22 09.151  +11 15 03.15  22.1r 534631    568  C~2SDm      
2014 10  25.43607  01 21 54.999  +11 13 56.14  22.1r 534631    568  C~2SDm      
2014 10  25.50080  01 21 54.557  +11 13 53.98  22.1G 534631    F51  C~2rYC      
2014 11  19.24343  01 19 16.271  +11 01 03.58  22.3r 534631    568  C~2SDm      
2014 11  19.37639  01 19 15.519  +11 00 59.95  22.2r 534631    568  C~2SDm      
2014 11  21.22330  01 19 05.564  +11 00 10.57  22.4r 534631    568  C~2SDm      
2014 11  21.38502  01 19 04.680  +11 00 06.38  22.4r 534631    568  C~2SDm      
2014 11  28.40964  01 18 30.028  +10 57 14.55  22.7G 534631    F51  C~2rYC      
2015 09  12.44517  01 37 05.325  +13 29 41.45  22.8G 534631    F51  C~2rYC      
2015 09  12.45555  01 37 05.271  +13 29 41.51  22.4G 534631    F51  C~2rYC      
2015 09  12.46595  01 37 05.212  +13 29 41.17  22.3G 534631    F51  C~2rYC      
2015 09  12.47641  01 37 05.151  +13 29 41.14  22.2G 534631    F51  C~2rYC      
2015 09  15.51502  01 36 48.293  +13 28 47.14  22.4w 534631    568  C~2SDm      
2015 09  15.57438  01 36 47.946  +13 28 46.03  22.5w 534631    568  C~2SDm      
2015 10  13.48307  01 33 43.665  +13 16 45.70        534631    568  C~2SDm      
2015 10  13.49677  01 33 43.570  +13 16 45.46        534631    568  C~2SDm      
2015 10  13.54938  01 33 43.180  +13 16 43.60        534631    568  C~2SDm      
2015 12  03.22349  01 28 21.537  +12 51 01.67  22.8G 534631    F51  C~2rYC      
2015 12  07.21672  01 28 05.040  +12 49 36.13  22.3r 534631    568  C~2SDm      
2015 12  07.22184  01 28 05.022  +12 49 35.98  24.4u 534631    568  C~2SDm      
2015 12  07.22618  01 28 05.003  +12 49 35.96  24.4u 534631    568  C~2SDm      
2015 12  07.23049  01 28 04.989  +12 49 35.82  24.5u 534631    568  C~2SDm      
2015 12  07.23483  01 28 04.972  +12 49 35.72  24.4u 534631    568  C~2SDm      
2015 12  07.23918  01 28 04.973  +12 49 35.75  22.1u 534631    568  C~2SDm      
2015 12  07.24354  01 28 04.935  +12 49 35.65  24.5u 534631    568  C~2SDm      
2015 12  07.25660  01 28 04.880  +12 49 35.33  24.6u 534631    568  C~2SDm      
2015 12  07.26533  01 28 04.847  +12 49 35.17  24.6u 534631    568  C~2SDm      
2015 12  07.26968  01 28 04.820  +12 49 35.04  24.3u 534631    568  C~2SDm      
2015 12  07.27404  01 28 04.819  +12 49 34.95  24.3u 534631    568  C~2SDm      
2015 12  07.27834  01 28 04.803  +12 49 34.88  24.3u 534631    568  C~2SDm      
2015 12  07.28352  01 28 04.772  +12 49 34.80  22.4r 534631    568  C~2SDm      
2015 12  07.45332  01 28 04.085  +12 49 31.27  22.6w 534631    568  C~2SDm      
2015 12  07.45744  01 28 04.066  +12 49 31.21  22.6w 534631    568  C~2SDm      
2015 12  14.36266  01 27 40.493  +12 47 27.45  22.2G 534631    F51  C~2rYC      
2015 12  31.26584  01 27 10.631  +12 44 51.29  22.5G 534631    F51  C~2rYC      
2015 12  31.27707  01 27 10.629  +12 44 51.35  22.7G 534631    F51  C~2rYC      
2015 12  31.28823  01 27 10.610  +12 44 51.28  22.4G 534631    F51  C~2rYC      
2015 12  31.29945  01 27 10.609  +12 44 51.42  22.7G 534631    F51  C~2rYD      
2016 08  10.52099  01 49 15.935  +15 22 45.76  22.6G 534631    F51  C~2rYD      
2016 08  10.53390  01 49 15.940  +15 22 45.88  22.8G 534631    F51  C~2rYD      
2016 08  10.54685  01 49 15.923  +15 22 46.03  22.1G 534631    F51  C~2rYD      
2016 08  10.55979  01 49 15.903  +15 22 46.30  22.3G 534631    F51  C~2rYD      
2016 10  06.51624  01 44 56.255  +15 13 38.34  22.2G 534631    F51  C~2rYD      
2016 10  06.52878  01 44 56.163  +15 13 37.54  22.3G 534631    F51  C~2rYD      
2016 10  06.54126  01 44 56.077  +15 13 37.09  22.8G 534631    F51  C~2rYD      
2016 10  06.55383  01 44 55.991  +15 13 37.01  22.5G 534631    F51  C~2rYD      
2017 08  25.55831  01 59 10.372  +17 12 45.29  22.5w 534631    568  C~2SDm      
2017 08  30.58085  01 58 54.473  +17 12 54.83  22.7w 534631    568  C~2SDm      
2017 09  21.57504  01 57 09.852  +17 09 55.65  22.4G 534631    F51  C~2rYD      
2017 09  21.58894  01 57 09.765  +17 09 55.46  22.6G 534631    F51  C~2rYD      
2017 09  21.60282  01 57 09.671  +17 09 55.28  22.7G 534631    F51  C~2rYD      
2017 09  21.61671  01 57 09.596  +17 09 54.95  22.7G 534631    F51  C~2rYD      
2017 10  22.45238  01 53 38.648  +16 57 33.14  21.8G 534631    F51  C~2rYD      
2018 01  13.25702  01 47 29.375  +16 25 38.20  22.3G 534631    F51  C~2rYD      

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    -0.14       0.00    -0.24
  2   0.0056      0.00     0.08       0.00     0.06
  3   0.0082      0.00    -0.04       0.00    -0.03
  4   0.0575      0.00    -0.06       0.00    -0.04
  5   0.0844      0.00    -0.04       0.00     0.15
  6   0.1335      0.00     0.01       0.00    -0.13
  7   1.0349      0.00     0.13       0.00     0.22
  8   1.0949      0.00    -0.04       0.00    -0.05
  9   1.1137      0.00     0.04       0.00    -0.01
 10   2.0697      0.00    -0.12       0.00    -0.16
 11   2.0722      0.00     0.44       0.00    -0.17
 12   2.0723      0.00    -0.02       0.00    -0.08
 13   2.0723      0.00     0.04       0.00     0.18
 14   2.0724      0.00    -0.01       0.00     0.05
 15   3.0065      0.00     0.02       0.00     0.21
 16   3.0310      0.00     0.04       0.00     0.25
 17   3.8633      0.00     0.04       0.00    -0.03
 18   3.8634      0.00     0.02       0.00    -0.02
 19   3.8635      0.00     0.01       0.00    -0.01
 20   3.9428      0.00    -0.03       0.00    -0.01
 21   3.9429      0.00    -0.04       0.00     0.03
 22   3.9534      0.00     0.02       0.00    -0.02
 23   3.9538      0.00     0.00       0.00    -0.03
 24   4.0135      0.00    -0.00       0.00    -0.04
 25   4.0136      0.00    -0.03       0.00    -0.05
 26   4.0164      0.00    -0.09       0.00    -0.07
 27   4.1067      0.00    -0.05       0.00    -0.04
 28   4.1068      0.00    -0.06       0.00    -0.06
 29   4.1069      0.00    -0.06       0.00    -0.05
 30   4.1094      0.00    -0.01       0.00    -0.00
 31   4.1149      0.00    -0.02       0.00    -0.01
 32   4.1151      0.00     0.29       0.00     0.01
 33   4.1828      0.00    -0.01       0.00     0.03
 34   4.1832      0.00    -0.06       0.00     0.01
 35   4.1882      0.00    -0.03       0.00     0.04
 36   4.1887      0.00    -0.10       0.00     0.09
 37   4.2079      0.00    -0.11       0.00    -0.17
 38   4.9965      0.00    -0.04       0.00    -0.14
 39   4.9965      0.00     0.02       0.00     0.10
 40   4.9966      0.00    -0.01       0.00    -0.07
 41   4.9966      0.00    -0.05       0.00     0.07
 42   5.0049      0.00     0.02       0.00     0.02
 43   5.0051      0.00    -0.00       0.00     0.03
 44   5.0815      0.00    -0.01       0.00     0.01
 45   5.0815      0.00     0.07       0.00     0.20
 46   5.0817      0.00    -0.01       0.00    -0.00
 47   5.2204      0.00    -0.19       0.00    -0.21
 48   5.2313      0.00    -0.01       0.00     0.01
 49   5.2314      0.00     0.03       0.00    -0.03
 50   5.2314      0.00     0.00       0.00     0.03
 51   5.2314      0.00     0.05       0.00    -0.02
 52   5.2314      0.00     0.06       0.00    -0.03
 53   5.2314      0.00     0.34       0.00     0.09
 54   5.2314      0.00     0.03       0.00     0.07
 55   5.2315      0.00    -0.01       0.00     0.02
 56   5.2315      0.00     0.02       0.00     0.03
 57   5.2315      0.00    -0.12       0.00    -0.01
 58   5.2315      0.00     0.13       0.00    -0.01
 59   5.2315      0.00     0.15       0.00     0.01
 60   5.2315      0.00    -0.00       0.00     0.03
 61   5.2320      0.00    -0.16       0.00    -0.03
 62   5.2320      0.00    -0.20       0.00    -0.01
 63   5.2509      0.00    -0.06       0.00    -0.17
 64   5.2972      0.00    -0.03       0.00    -0.04
 65   5.2972      0.00     0.06       0.00     0.05
 66   5.2973      0.00    -0.12       0.00     0.01
 67   5.2973      0.00    -0.02       0.00     0.19
 68   5.9084      0.00    -0.24       0.00    -0.01
 69   5.9085      0.00     0.08       0.00    -0.04
 70   5.9085      0.00     0.08       0.00    -0.04
 71   5.9085      0.00     0.03       0.00     0.08
 72   6.0645      0.00    -0.02       0.00     0.41
 73   6.0645      0.00    -0.06       0.00    -0.05
 74   6.0645      0.00    -0.02       0.00    -0.16
 75   6.0646      0.00     0.04       0.00     0.10
 76   6.9489      0.00    -0.03       0.00    -0.02
 77   6.9627      0.00    -0.04       0.00     0.02
 78   7.0229      0.00     0.14       0.00    -0.04
 79   7.0229      0.00     0.09       0.00    -0.01
 80   7.0230      0.00    -0.06       0.00     0.04
 81   7.0230      0.00     0.06       0.00    -0.07
 82   7.1074      0.00    -0.11       0.00     0.05
 83   7.3341      0.00     0.41       0.00    -0.23

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.

534631    quality flag:2

Type:           3:2E  CENTAURR  CENTAURR

axisobj        40.017    40.017    40.017
ecceobj         0.342     0.342     0.342
incobj         15.938    15.938    15.938
qmin           25.856    24.622    25.892
qmax           53.953    56.297    54.422
amean          39.455    39.485    39.482
amin           38.897    38.787    38.785
amax           40.138    40.588    40.982
emean           0.331     0.332     0.329
emin            0.317     0.309     0.289
emax            0.345     0.387     0.350
imean          15.775    15.782    16.165
imin           15.195    11.859    15.278
imax           16.409    17.323    19.283
excite_mean     0.428     0.430     0.431
fracstop        1.000     0.704     0.618
cjmean          2.842     2.839     2.839

libcent 0       178.7    -180.0    -180.0
libamp  0       129.5    -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       172.2     170.2     169.6
kozaiamp        180.0     180.0     180.0