Orbit Fit and Astrometric record for 13AP183

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: 13AP183   
# Created Thu Apr 18 01:09:41 2019
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting  108 observations of  108
# Arc:  15.14y
# First observation: 2003/01/25
#  Last observation: 2018/03/17
# Chi-squared of fit:    89.86 DOF:  210 RMS:  0.16
# Min/Max residuals:    -0.60    0.72
# Exact a, adot, b, bdot, g, gdot:
  1.721360E-05  2.467879E-02  8.943488E-07  2.693696E-04  2.381735E-02  6.922548E-03
# Covariance matrix:
  1.3455E-13 -2.4857E-14  3.0466E-16 -1.7135E-16 -1.9814E-14 -4.7220E-14
 -2.4857E-14  1.1166E-14 -1.8994E-16  1.1107E-16  1.0471E-14  3.0098E-14
  3.0466E-16 -1.8994E-16  1.0871E-13 -8.5369E-15 -2.9625E-16 -5.4794E-16
 -1.7135E-16  1.1107E-16 -8.5369E-15  7.8037E-16  5.7462E-17  3.2316E-16
 -1.9814E-14  1.0471E-14 -2.9625E-16  5.7462E-17  6.7622E-14  2.8994E-14
 -4.7220E-14  3.0098E-14 -5.4794E-16  3.2316E-16  2.8994E-14  8.7251E-14
#      lat0       lon0       xBary       yBary       zBary        JD0
   -3.354068  113.666209   -0.189269   -0.056239   -0.959642  2452664.672271
# Heliocentric elements and errors
Epoch:              2452664.5000  =  2003/01/25
Mean Anomaly:           29.56393 +/-     0.003
Argument of Peri:      218.02513 +/-     0.004
Long of Asc Node:      193.19810 +/-     0.001
Inclination:             3.33670 +/-     0.000
Eccentricity:         0.37472741 +/-    0.0000
Semi-Major Axis:     58.56182773 +/-    0.0036
Time of Perihelion: 2439221.9998 +/-       1.9
Perihelion:          36.61710581 +/-    0.0027
Aphelion:            80.50654966 +/-    0.0052
Period (y)              448.1570 +/-      0.04
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -17.38612928 +/-    0.0002
Ecliptic Y           39.19813666 +/-    0.0004
Ecliptic Z           -2.45641296 +/-    0.0000
Ecliptic XDOT        -0.00292482 +/-    0.0000
Ecliptic YDOT        -0.00041378 +/-    0.0000
Ecliptic ZDOT        -0.00001545 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   42.95100245 +/-    0.0004
Geocenter to KBO     41.98604881 +/-    0.0005
# Hcoef:  5.61

The following table shows the complete astrometric record for 13AP183. 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 (13AP183) followed by the observatory code and reference code for the source of the astrometry.

2003 01  25.171528 07 39 42.84   +18 03 37.9         13AP183   645  C~2aHi      
2003 01  25.172357 07 39 42.84   +18 03 37.9         13AP183   645  C~2aHi      
2003 01  25.174845 07 39 42.84   +18 03 37.9         13AP183   645  C~2aHi      
2003 01  27.220465 07 39 32.94   +18 04 04.6         13AP183   645  C~2aHi      
2003 01  27.221294 07 39 32.94   +18 04 04.6         13AP183   645  C~2aHi      
2003 01  27.223782 07 39 32.94   +18 04 04.6         13AP183   645  C~2aHi      
2003 02  01.165391 07 39 09.55   +18 05 08.6         13AP183   645  C~2aHi      
2003 02  01.166221 07 39 09.55   +18 05 08.6         13AP183   645  C~2aHi      
2003 02  01.168708 07 39 09.54   +18 05 08.6         13AP183   645  C~2aHi      
2003 12  21.267792 07 48 21.27   +17 43 04.6         13AP183   645  C~2aHi      
2003 12  21.268621 07 48 21.27   +17 43 04.6         13AP183   645  C~2aHi      
2003 12  21.271109 07 48 21.26   +17 43 04.6         13AP183   645  C~2aHi      
2010 11  03.62421  08 27 41.897  +15 53 49.62  22.2G 13AP183   F51  C~2r7M      
2011 01  23.54698  08 23 49.610  +16 03 58.83  21.9G 13AP183   F51  C~2r7M      
2011 01  25.32604  08 23 41.386  +16 04 27.68  22.1G 13AP183   F51  C~2r7M      
2012 01  26.53015  08 28 42.536  +15 48 29.99  21.6G 13AP183   F51  C~2r7M      
2012 01  26.54240  08 28 42.478  +15 48 30.29  21.8G 13AP183   F51  C~2r7M      
2013 01  10.54559  08 34 51.517  +15 27 57.04  22.4w 13AP183   F51  C~1vWv      
2013 01  10.55945  08 34 51.454  +15 27 57.13  22.1w 13AP183   F51  C~1vWv      
2013 01  10.57330  08 34 51.388  +15 27 57.28  22.0w 13AP183   F51  C~1vWv      
2013 01  17.48370  08 34 20.868  +15 29 45.52  22.1w 13AP183   F51  C~1vWv      
2013 01  17.49905  08 34 20.802  +15 29 45.68  22.0w 13AP183   F51  C~1vWv      
2013 01  17.51444  08 34 20.733  +15 29 46.04  22.1w 13AP183   F51  C~1vWv      
2013 01  17.52988  08 34 20.663  +15 29 46.29  22.2w 13AP183   F51  C~1vWv      
2013 01  21.47736  08 34 02.885  +15 30 50.93  21.5G 13AP183   F51  C~2r7N      
2013 01  21.49034  08 34 02.819  +15 30 51.01  22.0G 13AP183   F51  C~2r7N      
2013 02  10.42066  08 32 33.342  +15 36 33.39  22.1w 13AP183   F51  C~1vWv      
2013 02  10.43611  08 32 33.266  +15 36 33.58  22.1w 13AP183   F51  C~1vWv      
2013 02  10.45156  08 32 33.207  +15 36 33.90  22.0w 13AP183   F51  C~1vWv      
2013 02  10.46701  08 32 33.127  +15 36 34.10  22.0w 13AP183   F51  C~1vWv      
2013 03  03.25211  08 31 11.045  +15 42 19.14  22.5G 13AP183   F51  C~2r7N      
2013 03  03.26644  08 31 10.964  +15 42 19.40  23.2G 13AP183   F51  C~2r7N      
2013 03  03.28079  08 31 10.904  +15 42 19.47  22.8G 13AP183   F51  C~2r7N      
2013 03  03.29514  08 31 10.867  +15 42 19.63  22.3G 13AP183   F51  C~2r7N      
2013 12  25.61336  08 40 50.786  +15 07 34.70  21.8G 13AP183   F51  C~2r7N      
2013 12  25.62529  08 40 50.756  +15 07 35.07  22.1G 13AP183   F51  C~2r7N      
2013 12  31.56372  08 40 28.517  +15 08 48.29  21.6G 13AP183   F51  C~2r7N      
2014 05  21.26195  08 35 26.581  +15 33 39.86  22.1w 13AP183   F51  C~1vWv      
2014 05  21.26748  08 35 26.597  +15 33 39.85  22.2w 13AP183   F51  C~1vWv      
2014 05  21.27855  08 35 26.607  +15 33 39.36  21.8w 13AP183   F51  C~1vWv      
2014 11  29.53429  08 46 49.455  +14 47 21.41  21.8G 13AP183   F51  C~2r7N      
2015 01  24.50165  08 43 38.621  +14 58 02.83  21.8w 13AP183   F51  C~1vWv      
2015 01  24.51540  08 43 38.533  +14 58 03.17  21.8w 13AP183   F51  C~1vWv      
2015 01  24.52915  08 43 38.497  +14 58 03.30  21.6w 13AP183   F51  C~1vWv      
2015 01  24.54294  08 43 38.415  +14 58 04.32  22.0w 13AP183   F51  C~1vWv      
2015 01  26.50665  08 43 29.695  +14 58 37.92  21.7G 13AP183   F51  C~2r7N      
2015 01  26.52038  08 43 29.597  +14 58 38.12  22.6G 13AP183   F51  C~2r7N      
2015 01  26.53424  08 43 29.542  +14 58 38.26  22.1G 13AP183   F51  C~2r7N      
2015 01  26.54796  08 43 29.472  +14 58 38.49  21.6G 13AP183   F51  C~2r7N      
2015 02  18.28552  08 41 50.486  +15 05 24.73  22.2G 13AP183   F51  C~2r7N      
2015 02  18.29848  08 41 50.396  +15 05 24.67  22.9G 13AP183   F51  C~2r7N      
2015 02  19.28733  08 41 46.356  +15 05 42.58  22.8G 13AP183   F51  C~2r7N      
2015 02  19.31303  08 41 46.258  +15 05 42.73  22.0G 13AP183   F51  C~2r7N      
2015 02  19.32589  08 41 46.182  +15 05 43.25  22.2G 13AP183   F51  C~2r7N      
2015 10  15.57970  08 51 14.851  +14 34 15.79  22.3G 13AP183   F51  C~2r7N      
2015 10  15.58358  08 51 14.870  +14 34 15.63  22.6G 13AP183   F51  C~2r7N      
2015 10  15.58745  08 51 14.854  +14 34 15.42  22.0G 13AP183   F51  C~2r7N      
2015 10  15.59134  08 51 14.878  +14 34 15.54  22.2G 13AP183   F51  C~2r7N      
2016 01  04.55021  08 49 49.381  +14 35 41.74  21.7G 13AP183   F51  C~2r7N      
2016 01  04.56160  08 49 49.339  +14 35 41.83  22.2G 13AP183   F51  C~2r7N      
2016 01  04.57299  08 49 49.286  +14 35 42.04  22.3G 13AP183   F51  C~2r7N      
2016 01  04.58441  08 49 49.251  +14 35 42.19  22.1G 13AP183   F51  C~2r7N      
2016 01  05.57937  08 49 45.406  +14 35 56.22  22.4G 13AP183   F51  C~2r7N      
2016 02  11.28764  08 47 07.799  +14 46 21.07  21.8G 13AP183   F51  C~2r7N      
2016 02  11.29959  08 47 07.753  +14 46 21.41  21.8G 13AP183   F51  C~2r7N      
2016 02  11.31123  08 47 07.691  +14 46 21.37  21.8G 13AP183   F51  C~2r7N      
2016 02  11.32288  08 47 07.648  +14 46 21.82  21.7G 13AP183   F51  C~2r7N      
2016 02  28.26568  08 45 58.962  +14 51 24.64  22.5G 13AP183   F51  C~2r7N      
2016 02  28.27929  08 45 58.918  +14 51 24.91  22.8G 13AP183   F51  C~2r7N      
2016 02  28.29283  08 45 58.860  +14 51 25.16  22.6G 13AP183   F51  C~2r7N      
2016 02  28.30570  08 45 58.819  +14 51 25.09  21.7G 13AP183   F51  C~2r7N      
2016 02  28.30634  08 45 58.798  +14 51 24.94  21.8G 13AP183   F51  C~2r7N      
2016 03  07.28361  08 45 30.578  +14 53 37.92  22.6G 13AP183   F51  C~2r7N      
2016 04  20.28128  08 44 12.189  +15 01 31.02  22.1G 13AP183   F51  C~2r7N      
2016 04  20.29295  08 44 12.164  +15 01 30.84  22.0G 13AP183   F51  C~2r7N      
2016 11  10.58255  08 56 20.283  +14 13 32.78  22.1G 13AP183   F51  C~2r7N      
2016 11  10.59421  08 56 20.279  +14 13 32.57  22.6G 13AP183   F51  C~2r7N      
2016 11  10.60583  08 56 20.279  +14 13 32.67  22.6G 13AP183   F51  C~2r7N      
2016 11  10.61742  08 56 20.282  +14 13 32.49  22.4G 13AP183   F51  C~2r7N      
2017 01  26.37957  08 52 55.687  +14 24 41.18  22.4G 13AP183   F51  C~2r7N      
2017 01  26.39037  08 52 55.646  +14 24 41.26  22.1G 13AP183   F51  C~2r7N      
2017 01  26.40117  08 52 55.605  +14 24 41.61  22.4G 13AP183   F51  C~2r7N      
2017 01  26.41212  08 52 55.541  +14 24 41.69  22.8G 13AP183   F51  C~2r7N      
2017 02  03.46768  08 52 20.259  +14 27 08.51  22.2G 13AP183   F51  C~2r7N      
2017 02  03.47906  08 52 20.208  +14 27 08.54  22.2G 13AP183   F51  C~2r7N      
2017 02  03.49042  08 52 20.173  +14 27 08.38  22.5G 13AP183   F51  C~2r7N      
2017 02  03.50180  08 52 20.127  +14 27 09.17  22.9G 13AP183   F51  C~2r7N      
2017 02  19.23919  08 51 13.223  +14 32 00.49  22.0G 13AP183   F51  C~2r7N      
2017 02  19.24978  08 51 13.192  +14 32 00.57  22.4G 13AP183   F51  C~2r7N      
2017 02  19.26036  08 51 13.154  +14 32 01.09  22.0G 13AP183   F51  C~2r7N      
2017 02  19.27090  08 51 13.114  +14 32 01.13  22.4G 13AP183   F51  C~2r7N      
2017 04  11.36837  08 48 55.233  +14 43 57.96  22.6G 13AP183   F51  C~2r7N      
2017 11  22.55160  09 00 46.318  +13 56 04.76  22.4G 13AP183   F51  C~2r7N      
2017 11  22.56238  09 00 46.336  +13 56 04.78  22.2G 13AP183   F51  C~2r7N      
2017 11  22.57324  09 00 46.295  +13 56 04.88  22.6G 13AP183   F51  C~2r7N      
2017 11  22.58407  09 00 46.318  +13 56 04.90  22.8G 13AP183   F51  C~2r7N      
2018 01  12.55074  08 58 31.243  +14 03 30.46  22.4G 13AP183   F51  C~2r7N      
2018 01  12.56413  08 58 31.177  +14 03 30.55  22.4G 13AP183   F51  C~2r7N      
2018 01  12.57754  08 58 31.128  +14 03 30.74  22.2G 13AP183   F51  C~2r7N      
2018 01  12.59102  08 58 31.068  +14 03 30.94  22.1G 13AP183   F51  C~2r7N      
2018 01  20.50528  08 57 58.293  +14 05 42.75  22.2G 13AP183   F51  C~2r7N      
2018 01  20.51750  08 57 58.242  +14 05 42.99  22.0G 13AP183   F51  C~2r7N      
2018 01  20.52972  08 57 58.185  +14 05 43.18  22.1G 13AP183   F51  C~2r7N      
2018 01  20.54200  08 57 58.132  +14 05 43.45  22.2G 13AP183   F51  C~2r7N      
2018 02  18.30078  08 55 55.033  +14 14 33.95  21.4G 13AP183   F51  C~2r7N      
2018 02  18.32349  08 55 54.927  +14 14 34.76  22.1G 13AP183   F51  C~2r7N      
2018 03  17.24926  08 54 19.288  +14 22 16.57  22.3G 13AP183   F51  C~2r7N      
2018 03  17.27306  08 54 19.216  +14 22 16.87  22.5G 13AP183   F51  C~2r7N      

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    -0.20       0.00    -0.12
  2   0.0000      0.00    -0.14       0.00    -0.13
  3   0.0000      0.00     0.04       0.00    -0.16
  4   0.0056      0.00    -0.24       0.00     0.13
  5   0.0056      0.00    -0.18       0.00     0.12
  6   0.0056      0.00     0.00       0.00     0.08
  7   0.0191      0.00     0.04       0.00     0.07
  8   0.0192      0.00     0.10       0.00     0.06
  9   0.0192      0.00     0.12       0.00     0.03
 10   0.9038      0.00     0.13       0.00    -0.01
 11   0.9038      0.00     0.18       0.00    -0.02
 12   0.9038      0.00     0.20       0.00    -0.04
 13   7.7740      0.00    -0.23       0.00    -0.06
 14   7.9956      0.00    -0.17       0.00     0.02
 15   8.0004      0.00    -0.22       0.00    -0.05
 16   9.0030      0.00     0.00       0.00    -0.12
 17   9.0031      0.00    -0.01       0.00    -0.02
 18   9.9613      0.00     0.17       0.00     0.16
 19   9.9614      0.00     0.14       0.00     0.04
 20   9.9614      0.00     0.06       0.00    -0.01
 21   9.9803      0.00    -0.11       0.00     0.05
 22   9.9804      0.00    -0.05       0.00    -0.04
 23   9.9804      0.00    -0.04       0.00     0.08
 24   9.9804      0.00    -0.03       0.00     0.08
 25   9.9913      0.00     0.02       0.00     0.08
 26   9.9913      0.00    -0.08       0.00    -0.05
 27  10.0459      0.00     0.09       0.00     0.03
 28  10.0459      0.00    -0.02       0.00    -0.05
 29  10.0459      0.00     0.12       0.00     0.01
 30  10.0460      0.00    -0.06       0.00    -0.06
 31  10.1029      0.00     0.38       0.00     0.17
 32  10.1029      0.00    -0.08       0.00     0.20
 33  10.1030      0.00    -0.22       0.00     0.05
 34  10.1030      0.00    -0.01       0.00    -0.01
 35  10.9170      0.00    -0.12       0.00    -0.23
 36  10.9171      0.00     0.09       0.00     0.00
 37  10.9333      0.00    -0.06       0.00    -0.47
 38  11.3185      0.00     0.03       0.00     0.17
 39  11.3185      0.00     0.05       0.00     0.20
 40  11.3186      0.00    -0.25       0.00    -0.22
 41  11.8449      0.00    -0.30       0.00     0.01
 42  11.9982      0.00     0.30       0.00    -0.06
 43  11.9982      0.00    -0.08       0.00     0.05
 44  11.9982      0.00     0.31       0.00    -0.06
 45  11.9983      0.00     0.01       0.00     0.72
 46  12.0037      0.00     0.32       0.00     0.18
 47  12.0037      0.00    -0.22       0.00     0.14
 48  12.0037      0.00    -0.10       0.00     0.04
 49  12.0038      0.00    -0.22       0.00     0.03
 50  12.0660      0.00     0.50       0.00    -0.12
 51  12.0661      0.00    -0.04       0.00    -0.41
 52  12.0688      0.00     0.13       0.00     0.03
 53  12.0688      0.00     0.26       0.00    -0.28
 54  12.0689      0.00    -0.08       0.00     0.01
 55  12.7212      0.00    -0.07       0.00     0.09
 56  12.7212      0.00     0.09       0.00    -0.02
 57  12.7212      0.00    -0.28       0.00    -0.19
 58  12.7212      0.00    -0.05       0.00    -0.02
 59  12.9429      0.00    -0.06       0.00     0.03
 60  12.9429      0.00    -0.01       0.00    -0.04
 61  12.9429      0.00    -0.13       0.00     0.01
 62  12.9430      0.00     0.02       0.00     0.00
 63  12.9457      0.00     0.40       0.00    -0.04
 64  13.0462      0.00    -0.04       0.00    -0.02
 65  13.0462      0.00     0.05       0.00     0.10
 66  13.0462      0.00    -0.12       0.00    -0.15
 67  13.0463      0.00    -0.00       0.00     0.08
 68  13.0927      0.00    -0.12       0.00     0.06
 69  13.0927      0.00     0.00       0.00     0.10
 70  13.0927      0.00    -0.10       0.00     0.11
 71  13.0928      0.00     0.02       0.00    -0.18
 72  13.0928      0.00    -0.26       0.00    -0.34
 73  13.1146      0.00    -0.21       0.00     0.35
 74  13.2351      0.00     0.22       0.00     0.25
 75  13.2351      0.00    -0.14       0.00     0.02
 76  13.7944      0.00    -0.00       0.00     0.12
 77  13.7944      0.00    -0.07       0.00    -0.04
 78  13.7945      0.00    -0.07       0.00     0.10
 79  13.7945      0.00    -0.03       0.00    -0.03
 80  14.0047      0.00    -0.13       0.00     0.07
 81  14.0047      0.00    -0.02       0.00    -0.05
 82  14.0047      0.00     0.08       0.00     0.11
 83  14.0048      0.00    -0.15       0.00    -0.01
 84  14.0268      0.00    -0.10       0.00    -0.06
 85  14.0269      0.00    -0.10       0.00    -0.23
 86  14.0269      0.00     0.13       0.00    -0.60
 87  14.0269      0.00     0.20       0.00    -0.02
 88  14.0700      0.00    -0.00       0.00     0.01
 89  14.0700      0.00     0.19       0.00    -0.11
 90  14.0701      0.00     0.27       0.00     0.22
 91  14.0701      0.00     0.32       0.00     0.06
 92  14.2100      0.00    -0.34       0.00    -0.22
 93  14.8265      0.00    -0.17       0.00    -0.04
 94  14.8265      0.00     0.24       0.00    -0.02
 95  14.8266      0.00    -0.23       0.00     0.08
 96  14.8266      0.00     0.26       0.00     0.10
 97  14.9661      0.00     0.09       0.00     0.21
 98  14.9662      0.00    -0.08       0.00     0.09
 99  14.9662      0.00     0.01       0.00     0.07
100  14.9662      0.00    -0.06       0.00     0.05
101  14.9879      0.00     0.05       0.00    -0.00
102  14.9879      0.00     0.07       0.00     0.03
103  14.9880      0.00     0.01       0.00     0.01
104  14.9880      0.00     0.01       0.00     0.06
105  15.0667      0.00     0.05       0.00    -0.35
106  15.0668      0.00    -0.12       0.00     0.03
107  15.1405      0.00    -0.10       0.00     0.06
108  15.1406      0.00    -0.14       0.00     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.

13AP183    quality flag:3

Type:       8:3EEEEE  8:3EEEEE  8:3EEEEE

axisobj        58.372    58.372    58.371
ecceobj         0.376     0.376     0.376
incobj          3.338     3.338     3.338
qmin           35.946    35.946    35.942
qmax           81.084    81.052    80.974
amean          57.901    57.901    57.901
amin           57.173    57.180    57.195
amax           58.803    58.787    58.781
emean           0.367     0.367     0.367
emin            0.356     0.356     0.356
emax            0.379     0.379     0.378
imean           4.084     4.090     4.074
imin            3.565     3.565     3.565
imax            4.545     4.556     4.534
excite_mean     0.374     0.374     0.374
fracstop        1.000     1.000     1.000
cjmean          3.093     3.093     3.093

libcent 0       180.2     181.0     180.8
libamp  0        77.1      75.1      74.9
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       242.7     242.7     244.6
kozaiamp        179.9     179.9     180.0