Orbit Fit and Astrometric record for 14LO28

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: 14LO28    
# Created Sat Nov 17 02:09:40 2018
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   99 observations of   99
# Arc:   8.02y
# First observation: 2010/08/06
#  Last observation: 2018/08/12
# Chi-squared of fit:    52.06 DOF:  192 RMS:  0.13
# Min/Max residuals:    -0.46    0.67
# Exact a, adot, b, bdot, g, gdot:
  1.423797E-05  2.302844E-02  5.883451E-06  9.327692E-03  2.493988E-02 -2.675388E-03
# Covariance matrix:
  1.4170E-13 -5.4608E-14  2.3720E-14 -1.5480E-14 -9.3453E-15 -2.0397E-13
 -5.4608E-14  3.0530E-14 -1.6615E-14  1.0871E-14  7.4126E-15  1.4315E-13
  2.3720E-14 -1.6615E-14  9.7354E-14 -2.3034E-14 -3.7876E-15 -8.8476E-14
 -1.5480E-14  1.0871E-14 -2.3034E-14  8.1047E-15  3.8306E-15  5.8095E-14
 -9.3453E-15  7.4126E-15 -3.7876E-15  3.8306E-15  4.3456E-14  4.5830E-14
 -2.0397E-13  1.4315E-13 -8.8476E-14  5.8095E-14  4.5830E-14  7.6428E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   13.685215  -43.001220    0.058345    0.238566   -0.979936  2455415.012646
# Heliocentric elements and errors
Epoch:              2455414.5000  =  2010/08/06
Mean Anomaly:          300.09851 +/-     0.010
Argument of Peri:      105.18673 +/-     0.014
Long of Asc Node:      287.18463 +/-     0.000
Inclination:            25.57263 +/-     0.000
Eccentricity:         0.12169143 +/-    0.0000
Semi-Major Axis:     43.19539676 +/-    0.0015
Time of Perihelion: 2472668.4979 +/-       5.4
Perihelion:          37.93888712 +/-    0.0020
Aphelion:            48.45190640 +/-    0.0022
Period (y)              283.8994 +/-      0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           29.19391000 +/-    0.0002
Ecliptic Y          -27.30167207 +/-    0.0002
Ecliptic Z            9.48657282 +/-    0.0001
Ecliptic XDOT         0.00133919 +/-    0.0000
Ecliptic YDOT         0.00221493 +/-    0.0000
Ecliptic ZDOT         0.00092539 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.08121904 +/-    0.0002
Geocenter to KBO     40.09653293 +/-    0.0003
# Hcoef:  5.50

The following table shows the complete astrometric record for 14LO28. 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 (14LO28) followed by the observatory code and reference code for the source of the astrometry.

2010 08  06.51188  21 01 22.705  -02 39 59.52  20.4G 14LO28    F51  C~2jhS      
2010 09  01.43497  20 59 22.164  -02 48 21.95  21.0G 14LO28    F51  C~2jhS      
2010 09  01.44626  20 59 22.108  -02 48 22.01  20.8G 14LO28    F51  C~2jhS      
2010 09  02.40516  20 59 18.045  -02 48 43.65  21.6g 14LO28    F51  C~1vXY      
2010 09  02.41708  20 59 18.017  -02 48 43.70  21.7g 14LO28    F51  C~1vXY      
2010 09  02.43006  20 59 17.945  -02 48 44.13  21.3i 14LO28    F51  C~1vXY      
2010 09  02.44135  20 59 17.904  -02 48 44.45  21.2i 14LO28    F51  C~1vXY      
2011 08  22.33744  21 04 34.941  -01 50 44.99  20.7G 14LO28    F51  C~2jhS      
2011 08  29.30151  21 04 03.158  -01 53 14.41  21.1G 14LO28    F51  C~2jhS      
2012 08  10.39608  21 09 55.900  -00 52 54.25  20.9G 14LO28    F51  C~2jhS      
2012 08  10.40731  21 09 55.834  -00 52 54.45  21.1G 14LO28    F51  C~2jhS      
2012 08  21.46669  21 09 02.843  -00 56 26.49  21.6g 14LO28    F51  C~1vXY      
2012 08  21.47793  21 09 02.768  -00 56 26.48  21.6g 14LO28    F51  C~1vXY      
2012 08  21.48887  21 09 02.734  -00 56 26.97  21.4r 14LO28    F51  C~1vXY      
2012 08  21.49934  21 09 02.674  -00 56 27.24  21.2r 14LO28    F51  C~1vXY      
2012 08  27.34785  21 08 35.684  -00 58 34.15  21.1G 14LO28    F51  C~2jhS      
2012 10  31.23980  21 05 52.912  -01 23 18.70  21.0G 14LO28    F51  C~2jhS      
2013 05  27.60783  21 18 48.775  -00 00 58.06  22.2G 14LO28    F51  C~2jhS      
2013 07  02.58492  21 17 19.968  +00 06 49.02  21.8G 14LO28    F51  C~2jhS      
2013 08  03.48632  21 14 59.135  +00 03 34.26  21.0G 14LO28    F51  C~2jhS      
2013 08  03.49764  21 14 59.070  +00 03 34.13  20.8G 14LO28    F51  C~2jhS      
2013 08  15.35586  21 14 01.522  +00 00 16.02  21.2i 14LO28    F51  C~1vXY      
2013 08  15.41487  21 14 01.240  +00 00 14.80  21.0r 14LO28    F51  C~1vXY      
2013 08  15.42543  21 14 01.183  +00 00 14.72  21.2r 14LO28    F51  C~1vXY      
2013 10  28.23998  21 10 15.747  -00 28 50.98  21.6G 14LO28    F51  C~2jhS      
2014 05  06.59135  21 23 12.657  +00 42 25.02  21.4G 14LO28    F51  C~2jhS      
2014 05  06.59617  21 23 12.662  +00 42 25.31  21.0G 14LO28    F51  C~2jhS      
2014 05  06.60095  21 23 12.665  +00 42 25.33  21.3G 14LO28    F51  C~2jhS      
2014 05  06.60575  21 23 12.670  +00 42 25.55  21.0G 14LO28    F51  C~2jhS      
2014 06  01.52233  21 23 08.821  +00 54 37.98  21.5w 14LO28    F51  C~1vXY      
2014 06  01.53425  21 23 08.793  +00 54 38.35  21.3w 14LO28    F51  C~1vXY      
2014 06  01.54617  21 23 08.782  +00 54 38.64  21.4w 14LO28    F51  C~1vXY      
2014 06  01.55815  21 23 08.764  +00 54 38.85  21.4w 14LO28    F51  C~1vXY      
2014 07  03.50359  21 21 45.879  +01 01 22.27  21.3w 14LO28    F51  C~1vXY      
2014 07  03.51598  21 21 45.831  +01 01 22.30  21.3w 14LO28    F51  C~1vXY      
2014 07  03.52839  21 21 45.783  +01 01 22.26  21.3w 14LO28    F51  C~1vXY      
2014 07  03.54093  21 21 45.740  +01 01 22.35  21.2w 14LO28    F51  C~1vXY      
2014 08  18.40588  21 18 17.570  +00 54 12.13  21.1i 14LO28    F51  C~1vXY      
2014 08  18.41830  21 18 17.515  +00 54 11.88  21.1i 14LO28    F51  C~1vXY      
2014 08  18.43073  21 18 17.458  +00 54 11.56  21.2i 14LO28    F51  C~1vXY      
2014 08  18.44310  21 18 17.388  +00 54 11.35  21.1i 14LO28    F51  C~1vXY      
2014 08  29.32891  21 17 26.144  +00 50 12.97  21.7w 14LO28    F51  C~1vXY      
2014 08  29.34216  21 17 26.111  +00 50 12.01  21.5w 14LO28    F51  C~1vXY      
2014 08  29.35543  21 17 26.062  +00 50 11.69  21.4w 14LO28    F51  C~1vXY      
2014 09  15.36387  21 16 14.370  +00 43 00.94  21.5G 14LO28    F51  C~2jhS      
2014 09  15.37725  21 16 14.330  +00 43 00.38  22.1G 14LO28    F51  C~2jhS      
2014 10  09.35581  21 15 02.908  +00 32 23.49  21.6G 14LO28    F51  C~2jhS      
2014 10  28.20599  21 14 40.061  +00 25 04.79  21.5G 14LO28    F51  C~2jhS      
2015 06  11.52363  21 27 19.897  +01 52 02.91  21.1i 14LO28    F51  C~1vXY      
2015 06  11.53650  21 27 19.853  +01 52 03.26  21.4i 14LO28    F51  C~1vXY      
2015 06  11.54945  21 27 19.824  +01 52 03.29  21.2i 14LO28    F51  C~1vXY      
2015 06  11.56232  21 27 19.809  +01 52 03.80  21.3i 14LO28    F51  C~1vXY      
2015 06  12.54521  21 27 17.760  +01 52 20.70  21.5G 14LO28    F51  C~2jhS      
2015 06  12.55821  21 27 17.725  +01 52 20.98  21.8G 14LO28    F51  C~2jhS      
2015 06  12.57127  21 27 17.684  +01 52 21.12  22.1G 14LO28    F51  C~2jhS      
2015 06  12.58431  21 27 17.664  +01 52 21.38  21.7G 14LO28    F51  C~2jhS      
2015 07  08.53208  21 25 57.654  +01 56 19.05  21.1i 14LO28    F51  C~1vXY      
2015 07  08.53216  21 25 57.657  +01 56 18.93  21.5G 14LO28    F51  C~2jhS      
2015 07  08.54485  21 25 57.600  +01 56 19.01  21.2i 14LO28    F51  C~1vXY      
2015 07  08.54492  21 25 57.611  +01 56 18.95  21.6G 14LO28    F51  C~2jhS      
2015 07  08.55772  21 25 57.554  +01 56 19.02  21.2i 14LO28    F51  C~1vXY      
2015 07  08.57045  21 25 57.496  +01 56 19.05  21.2i 14LO28    F51  C~1vXY      
2015 07  12.45355  21 25 41.918  +01 56 19.20  21.4w 14LO28    F51  C~1vXY      
2015 07  12.46635  21 25 41.866  +01 56 19.14  21.3w 14LO28    F51  C~1vXY      
2015 07  12.47919  21 25 41.809  +01 56 19.12  21.4w 14LO28    F51  C~1vXY      
2015 07  12.49206  21 25 41.757  +01 56 19.11  21.3w 14LO28    F51  C~1vXY      
2015 09  05.45562  21 21 26.031  +01 42 25.37  21.5G 14LO28    F51  C~2jhS      
2016 06  05.56141  21 31 58.560  +02 44 45.92  21.4G 14LO28    F51  C~2jhS      
2016 06  05.57403  21 31 58.540  +02 44 46.20  21.4G 14LO28    F51  C~2jhS      
2016 06  05.58667  21 31 58.520  +02 44 46.47  21.4G 14LO28    F51  C~2jhS      
2016 06  05.59940  21 31 58.499  +02 44 46.75  21.5G 14LO28    F51  C~2jhS      
2016 06  15.56030  21 31 39.273  +02 47 56.03  21.7G 14LO28    F51  C~2jhS      
2016 06  15.57228  21 31 39.230  +02 47 56.25  21.4G 14LO28    F51  C~2jhS      
2016 06  15.58426  21 31 39.219  +02 47 56.53  21.4G 14LO28    F51  C~2jhS      
2016 06  15.59622  21 31 39.171  +02 47 56.59  21.3G 14LO28    F51  C~2jhS      
2016 07  16.60864  21 29 53.515  +02 51 13.78  22.6G 14LO28    F51  C~2jhS      
2016 07  29.47287  21 28 55.372  +02 49 43.02  21.3G 14LO28    F51  C~2jhS      
2016 07  29.48432  21 28 55.348  +02 49 43.14  21.3G 14LO28    F51  C~2jhS      
2016 07  29.49585  21 28 55.281  +02 49 42.96  21.2G 14LO28    F51  C~2jhS      
2016 08  13.39114  21 27 43.399  +02 46 05.08  20.9G 14LO28    F51  C~2jhS      
2016 08  13.40469  21 27 43.335  +02 46 04.83  20.9G 14LO28    F51  C~2jhS      
2016 08  13.41822  21 27 43.272  +02 46 04.58  21.1G 14LO28    F51  C~2jhS      
2016 08  13.43182  21 27 43.199  +02 46 04.32  20.9G 14LO28    F51  C~2jhS      
2016 10  01.30083  21 24 19.575  +02 25 16.75  21.2G 14LO28    F51  C~2jhS      
2016 10  01.30148  21 24 19.570  +02 25 16.72  21.6G 14LO28    F51  C~2jhS      
2016 11  13.22050  21 23 37.779  +02 08 10.19  21.2G 14LO28    F51  C~2jhS      
2016 11  13.23335  21 23 37.793  +02 08 10.14  21.5G 14LO28    F51  C~2jhS      
2017 10  07.29898  21 28 36.399  +03 17 40.50  21.4G 14LO28    F51  C~2jhS      
2017 10  07.35498  21 28 36.283  +03 17 38.97  21.9G 14LO28    F51  C~2jhS      
2017 10  07.36862  21 28 36.247  +03 17 38.58  21.6G 14LO28    F51  C~2jhS      
2017 10  07.38231  21 28 36.198  +03 17 38.09  21.9G 14LO28    F51  C~2jhS      
2017 10  19.21952  21 28 12.698  +03 12 04.59  21.3G 14LO28    F51  C~2jhS      
2018 07  12.47721  21 39 23.446  +04 42 04.48  21.3w 14LO28    F51  C~2i4m      
2018 07  12.49074  21 39 23.393  +04 42 04.51  21.4w 14LO28    F51  C~2i4m      
2018 07  12.50408  21 39 23.339  +04 42 04.47  21.3w 14LO28    F51  C~2i4m      
2018 07  12.51722  21 39 23.287  +04 42 04.45  21.3w 14LO28    F51  C~2i4m      
2018 08  12.41437  21 37 02.949  +04 37 51.15  21.8w 14LO28    F51  C~2j3r      
2018 08  12.42575  21 37 02.849  +04 37 50.84  21.8w 14LO28    F51  C~2j3r      
2018 08  12.43716  21 37 02.848  +04 37 50.56  22.1w 14LO28    F51  C~2j3r      

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     0.07       0.00     0.03
  2   0.0710      0.00    -0.04       0.00    -0.09
  3   0.0710      0.00    -0.15       0.00     0.10
  4   0.0736      0.00    -0.13       0.00    -0.18
  5   0.0737      0.00     0.22       0.00     0.04
  6   0.0737      0.00    -0.02       0.00    -0.10
  7   0.0737      0.00     0.09       0.00    -0.17
  8   1.0426      0.00     0.17       0.00     0.15
  9   1.0617      0.00    -0.05       0.00     0.14
 10   2.0120      0.00     0.10       0.00    -0.05
 11   2.0120      0.00    -0.06       0.00    -0.06
 12   2.0423      0.00     0.18       0.00    -0.09
 13   2.0423      0.00    -0.14       0.00     0.16
 14   2.0424      0.00     0.14       0.00    -0.10
 15   2.0424      0.00    -0.01       0.00    -0.15
 16   2.0584      0.00    -0.05       0.00    -0.19
 17   2.2361      0.00    -0.30       0.00    -0.23
 18   2.8066      0.00    -0.28       0.00     0.15
 19   2.9051      0.00    -0.08       0.00    -0.11
 20   2.9924      0.00     0.19       0.00     0.06
 21   2.9924      0.00     0.05       0.00     0.09
 22   3.0249      0.00    -0.07       0.00     0.18
 23   3.0251      0.00     0.05       0.00     0.08
 24   3.0251      0.00    -0.03       0.00     0.20
 25   3.2272      0.00     0.08       0.00     0.09
 26   3.7483      0.00     0.06       0.00    -0.03
 27   3.7483      0.00     0.06       0.00     0.09
 28   3.7484      0.00     0.04       0.00    -0.05
 29   3.7484      0.00     0.04       0.00     0.01
 30   3.8193      0.00     0.04       0.00    -0.06
 31   3.8194      0.00    -0.13       0.00     0.05
 32   3.8194      0.00    -0.04       0.00     0.08
 33   3.8194      0.00    -0.06       0.00     0.02
 34   3.9069      0.00     0.08       0.00     0.08
 35   3.9069      0.00     0.06       0.00     0.08
 36   3.9070      0.00     0.05       0.00    -0.00
 37   3.9070      0.00     0.12       0.00     0.05
 38   4.0326      0.00     0.01       0.00     0.01
 39   4.0326      0.00     0.10       0.00     0.01
 40   4.0326      0.00     0.16       0.00    -0.06
 41   4.0327      0.00     0.01       0.00    -0.03
 42   4.0625      0.00    -0.46       0.00     0.67
 43   4.0625      0.00    -0.03       0.00     0.02
 44   4.0625      0.00     0.16       0.00     0.02
 45   4.1091      0.00    -0.02       0.00     0.04
 46   4.1091      0.00     0.16       0.00    -0.17
 47   4.1748      0.00     0.22       0.00     0.03
 48   4.2264      0.00    -0.01       0.00     0.05
 49   4.8460      0.00     0.18       0.00    -0.13
 50   4.8461      0.00    -0.07       0.00    -0.01
 51   4.8461      0.00    -0.09       0.00    -0.21
 52   4.8461      0.00     0.09       0.00     0.08
 53   4.8488      0.00     0.14       0.00    -0.04
 54   4.8489      0.00     0.04       0.00     0.02
 55   4.8489      0.00    -0.14       0.00    -0.07
 56   4.8489      0.00    -0.00       0.00    -0.03
 57   4.9200      0.00    -0.09       0.00     0.16
 58   4.9200      0.00    -0.04       0.00     0.04
 59   4.9200      0.00    -0.13       0.00     0.11
 60   4.9200      0.00     0.03       0.00     0.05
 61   4.9200      0.00    -0.05       0.00     0.10
 62   4.9201      0.00    -0.16       0.00     0.11
 63   4.9307      0.00    -0.06       0.00     0.06
 64   4.9307      0.00    -0.03       0.00     0.01
 65   4.9308      0.00    -0.08       0.00     0.01
 66   4.9308      0.00    -0.05       0.00     0.01
 67   5.0813      0.00    -0.07       0.00    -0.12
 68   5.8318      0.00     0.02       0.00    -0.05
 69   5.8318      0.00     0.03       0.00    -0.05
 70   5.8318      0.00     0.03       0.00    -0.05
 71   5.8319      0.00     0.02       0.00    -0.05
 72   5.8591      0.00     0.12       0.00    -0.04
 73   5.8592      0.00    -0.09       0.00    -0.01
 74   5.8592      0.00     0.18       0.00     0.07
 75   5.8592      0.00    -0.10       0.00    -0.06
 76   5.9441      0.00    -0.10       0.00    -0.17
 77   5.9794      0.00    -0.22       0.00    -0.26
 78   5.9794      0.00     0.25       0.00    -0.02
 79   5.9794      0.00     0.07       0.00    -0.07
 80   6.0202      0.00     0.03       0.00    -0.06
 81   6.0202      0.00     0.08       0.00    -0.07
 82   6.0203      0.00     0.14       0.00    -0.07
 83   6.0203      0.00     0.05       0.00    -0.08
 84   6.1541      0.00     0.09       0.00    -0.13
 85   6.1541      0.00     0.04       0.00    -0.14
 86   6.2716      0.00    -0.02       0.00    -0.03
 87   6.2717      0.00     0.00       0.00     0.12
 88   7.1698      0.00    -0.35       0.00    -0.04
 89   7.1700      0.00     0.07       0.00     0.06
 90   7.1700      0.00     0.05       0.00     0.07
 91   7.1701      0.00    -0.16       0.00    -0.02
 92   7.2025      0.00    -0.07       0.00     0.07
 93   7.9315      0.00    -0.06       0.00     0.06
 94   7.9315      0.00    -0.04       0.00     0.07
 95   7.9315      0.00    -0.04       0.00     0.01
 96   7.9316      0.00    -0.02       0.00    -0.03
 97   8.0162      0.00     0.31       0.00     0.16
 98   8.0162      0.00    -0.34       0.00     0.04
 99   8.0162      0.00     0.49       0.00    -0.04

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.

14LO28    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        43.039    43.039    43.039
ecceobj         0.122     0.122     0.122
incobj         25.624    25.624    25.624
qmin           37.334    37.363    37.341
qmax           48.975    48.942    48.851
amean          42.998    42.997    42.987
amin           42.650    42.647    42.652
amax           43.389    43.362    43.346
emean           0.114     0.114     0.113
emin            0.100     0.100     0.099
emax            0.129     0.129     0.128
imean          27.278    27.278    27.278
imin           26.898    26.889    26.898
imax           27.641    27.644    27.644
excite_mean     0.472     0.472     0.472
fracstop        1.000     1.000     1.000
cjmean          2.810     2.810     2.810

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       183.8     183.7     183.8
kozaiamp        179.9     180.0     179.9