Orbit Fit and Astrometric record for 02CY248

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: 02CY248   
# Created Thu Feb 21 02:07:59 2019
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting  110 observations of  110
# Arc:  16.08y
# First observation: 2002/02/06
#  Last observation: 2018/03/07
# Chi-squared of fit:   286.94 DOF:  214 RMS:  0.29
# Min/Max residuals:    -1.17    0.90
# Exact a, adot, b, bdot, g, gdot:
  9.129283E-06  1.575339E-02 -3.833351E-06 -1.942256E-03  1.956005E-02 -1.224499E-03
# Covariance matrix:
  1.5244E-13 -3.5727E-14 -1.0155E-14  3.6927E-15 -1.2970E-14 -1.0903E-13
 -3.5727E-14  1.2010E-14  3.9219E-15 -1.4216E-15 -4.2570E-16  4.1995E-14
 -1.0155E-14  3.9219E-15  7.2006E-14 -6.3201E-15 -6.2914E-16  1.4466E-14
  3.6927E-15 -1.4216E-15 -6.3201E-15  7.7518E-16  1.8099E-16 -5.2402E-15
 -1.2970E-14 -4.2570E-16 -6.2914E-16  1.8099E-16  5.7273E-14 -5.5660E-15
 -1.0903E-13  4.1995E-14  1.4466E-14 -5.2402E-15 -5.5660E-15  1.5481E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   -0.427130  123.850842   -0.230913   -0.007201   -0.955748  2452311.655353
# Heliocentric elements and errors
Epoch:              2452312.5000  =  2002/02/07
Mean Anomaly:          214.16309 +/-     0.013
Argument of Peri:      337.08904 +/-     0.008
Long of Asc Node:      300.68581 +/-     0.000
Inclination:             7.00683 +/-     0.000
Eccentricity:         0.13935459 +/-    0.0000
Semi-Major Axis:     46.48346358 +/-    0.0019
Time of Perihelion: 2499205.8320 +/-       6.0
Perihelion:          40.00577950 +/-    0.0023
Aphelion:            52.96114767 +/-    0.0027
Period (y)              316.9246 +/-      0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -29.20061666 +/-    0.0004
Ecliptic Y           43.12777000 +/-    0.0005
Ecliptic Z           -0.38131598 +/-    0.0000
Ecliptic XDOT        -0.00174316 +/-    0.0000
Ecliptic YDOT        -0.00137297 +/-    0.0000
Ecliptic ZDOT        -0.00027036 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   52.08484229 +/-    0.0005
Geocenter to KBO     51.12469091 +/-    0.0006
# Hcoef:  5.37

The following table shows the complete astrometric record for 02CY248. 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 (02CY248) followed by the observatory code and reference code for the source of the astrometry.

2002 02  06.15461  08 24 15.07   +18 52 29.3   21.6R 02CY248   695  Cf2784      
2002 02  06.24030  08 24 14.70   +18 52 30.5         02CY248   695  Cf2784      
2002 03  08.29944  08 22 26.75   +18 58 10.9   21.8R 02CY248   568  Cf2784      
2002 03  08.40223  08 22 26.43   +18 58 11.8         02CY248   568  Cf2784      
2002 03  09.28349  08 22 23.93   +18 58 19.6         02CY248   568  Cf2784      
2004 02  17.07356  08 30 46.22   +18 15 46.6   21.3R 02CY248   493  Cs6854      
2004 02  17.08291  08 30 46.17   +18 15 46.6   21.5R 02CY248   493  Cs6854      
2004 02  18.01017  08 30 42.61   +18 15 58.6   21.4R 02CY248   493  Cs6854      
2004 02  18.04630  08 30 42.47   +18 15 59.1   21.4R 02CY248   493  Cs6854      
2004 02  18.10126  08 30 42.26   +18 15 59.8   21.5R 02CY248   493  Cs6854      
2004 02  18.14178  08 30 42.11   +18 16 00.5   21.6R 02CY248   493  Cs6854      
2004 02  26.15900  08 30 12.64   +18 17 39.3   21.9R 02CY248   695  Ck0860      
2004 02  26.23358  08 30 12.39   +18 17 40.1         02CY248   695  Ck0860      
2004 02  27.16504  08 30 09.13   +18 17 51.1         02CY248   695  Ck0860      
2004 03  20.16838  08 29 06.04   +18 21 22.8   21.6R 02CY248   662  Ck2152      
2004 03  20.27868  08 29 05.78   +18 21 23.3         02CY248   662  Ck2152      
2004 12  13.374696 08 38 31.12   +17 41 56.4         02CY248   645  C~1mrR      
2004 12  13.375111 08 38 31.12   +17 41 56.4         02CY248   645  C~1mrR      
2004 12  13.375526 08 38 31.12   +17 41 56.4         02CY248   645  C~1mrR      
2004 12  13.375940 08 38 31.12   +17 41 56.4         02CY248   645  C~1mrR      
2004 12  13.378013 08 38 31.11   +17 41 56.4         02CY248   645  C~1mrR      
2004 12  13.378428 08 38 31.11   +17 41 56.4         02CY248   645  C~1mrR      
2005 02  09.18844  08 34 50.31   +17 54 14.9   22.2R 02CY248   688  Cm6742      
2005 02  09.31005  08 34 49.79   +17 54 16.6         02CY248   688  Cm6742      
2006 01  09.48399  08 40 33.58   +17 26 34.7   21.7R 02CY248   250  S~06AT      
2006 01  09.48838  08 40 33.56   +17 26 34.7         02CY248   250  S~06AT      
2006 01  09.49278  08 40 33.54   +17 26 34.8         02CY248   250  S~06AT      
2006 01  09.49718  08 40 33.53   +17 26 34.9         02CY248   250  S~06AT      
2006 11  23.54735  08 46 17.91   +16 59 01.8         02CY248   568  C~0VDX      
2006 11  24.52661  08 46 16.68   +16 59 04.5         02CY248   568  C~0VDX      
2006 11  24.57844  08 46 16.61   +16 59 04.7         02CY248   568  C~0VDX      
2006 11  24.63187  08 46 16.53   +16 59 04.7         02CY248   568  C~0VDX      
2006 12  24.43599  08 45 06.77   +17 02 36.1   22.4R 02CY248   688  Ct1955      
2006 12  24.49654  08 45 06.62   +17 02 35.2         02CY248   688  Ct1955      
2007 01  19.33928  08 43 29.19   +17 08 12.3   22.9g 02CY248   568  C~0VDX      
2007 01  19.37793  08 43 29.04   +17 08 12.6   23.0g 02CY248   568  C~0VDX      
2007 01  19.41240  08 43 28.89   +17 08 13.2   23.2g 02CY248   568  C~0VDX      
2007 01  20.39899  08 43 24.79   +17 08 27.8         02CY248   568  C~0VDX      
2008 01  06.38059  08 47 55.49   +16 44 12.9   22.5r 02CY248   568  C~0Dmo      
2008 01  06.44563  08 47 55.23   +16 44 13.9   22.5r 02CY248   568  C~0Dmo      
2008 01  06.47674  08 47 55.12   +16 44 14.2   22.6r 02CY248   568  C~0Dmo      
2008 01  07.55849  08 47 51.03   +16 44 28.7   22.8r 02CY248   568  C~0Dmo      
2009 03  25.14064  08 46 42.60   +16 41 01.7   22.0R 02CY248   688  C~05W8      
2009 03  25.24284  08 46 42.31   +16 41 02.9         02CY248   688  C~05W8      
2012 12  18.22654  09 06 38.38   +14 52 00.6   22.1R 02CY248   304  C~0snX      
2012 12  18.31556  09 06 38.15   +14 52 01.3         02CY248   304  C~0snX      
2012 12  18.35424  09 06 38.04   +14 52 01.6         02CY248   304  C~0snX      
2012 12  19.22457  09 06 35.77   +14 52 09.5         02CY248   304  C~0snX      
2012 12  19.27179  09 06 35.63   +14 52 09.7         02CY248   304  C~0snX      
2012 12  19.32955  09 06 35.47   +14 52 10.4         02CY248   304  C~0snX      
2013 01  10.53040  09 05 23.255  +14 56 32.76  22.4w 02CY248   F51  C~1vV8      
2013 01  10.54427  09 05 23.208  +14 56 33.24  22.5w 02CY248   F51  C~1vV8      
2013 01  10.55813  09 05 23.152  +14 56 33.40  22.7w 02CY248   F51  C~1vV8      
2013 01  10.57198  09 05 23.085  +14 56 33.59  22.4w 02CY248   F51  C~1vV8      
2013 02  03.34154  09 03 47.661  +15 02 49.77  22.4w 02CY248   F51  C~1vV8      
2013 02  03.35615  09 03 47.601  +15 02 49.98  22.4w 02CY248   F51  C~1vV8      
2013 02  03.37082  09 03 47.531  +15 02 50.24  22.2w 02CY248   F51  C~1vV8      
2013 02  03.38547  09 03 47.483  +15 02 50.49  22.4w 02CY248   F51  C~1vV8      
2013 02  09.11937  09 03 23.79   +15 04 27.3   22.1R 02CY248   304  C~0snX      
2013 02  09.21839  09 03 23.37   +15 04 28.9         02CY248   304  C~0snX      
2013 02  09.27486  09 03 23.14   +15 04 29.7         02CY248   304  C~0snX      
2013 03  03.25827  09 01 57.925  +15 10 24.68  22.7w 02CY248   F51  C~1vV8      
2013 03  03.27258  09 01 57.850  +15 10 24.82  22.5w 02CY248   F51  C~1vV8      
2013 03  03.28698  09 01 57.784  +15 10 24.91  22.5w 02CY248   F51  C~1vV8      
2013 03  03.30133  09 01 57.739  +15 10 25.18  22.2w 02CY248   F51  C~1vV8      
2014 01  05.42978  09 09 16.256  +14 32 41.12  22.9G 02CY248   F51  C~2r79      
2014 01  05.44494  09 09 16.210  +14 32 41.31  22.1G 02CY248   F51  C~2r79      
2014 01  05.46008  09 09 16.139  +14 32 41.27  22.6G 02CY248   F51  C~2r79      
2014 02  20.33220  09 06 13.872  +14 44 59.47  22.9G 02CY248   F51  C~2r79      
2014 02  20.34511  09 06 13.808  +14 44 59.66  22.4G 02CY248   F51  C~2r79      
2014 02  20.35799  09 06 13.754  +14 44 59.74  23.0G 02CY248   F51  C~2r79      
2014 03  20.25832  09 04 38.774  +14 51 53.97  22.3w 02CY248   F51  C~1vV8      
2014 03  20.27019  09 04 38.744  +14 51 53.99  22.3w 02CY248   F51  C~1vV8      
2014 03  20.28200  09 04 38.711  +14 51 54.26  22.3w 02CY248   F51  C~1vV8      
2014 03  24.25273  09 04 28.367  +14 52 41.27  23.2G 02CY248   F51  C~2r79      
2014 03  24.26429  09 04 28.335  +14 52 41.24  22.6G 02CY248   F51  C~2r79      
2014 11  26.55628  09 14 21.487  +14 04 50.08  22.4G 02CY248   F51  C~2r79      
2015 01  18.39681  09 12 02.860  +14 12 49.52  22.3G 02CY248   F51  C~2r79      
2015 01  20.54052  09 11 54.442  +14 13 23.60  22.2w 02CY248   F51  C~1vV8      
2015 01  20.55311  09 11 54.391  +14 13 23.69  22.3w 02CY248   F51  C~1vV8      
2015 01  20.56567  09 11 54.344  +14 13 23.93  22.5w 02CY248   F51  C~1vV8      
2015 01  20.57837  09 11 54.273  +14 13 24.10  22.8w 02CY248   F51  C~1vV8      
2015 01  22.55115  09 11 46.438  +14 13 55.70  22.2w 02CY248   F51  C~1vV8      
2015 01  22.56346  09 11 46.394  +14 13 56.02  22.2w 02CY248   F51  C~1vV8      
2015 01  22.57577  09 11 46.349  +14 13 56.21  22.1w 02CY248   F51  C~1vV8      
2015 01  22.58808  09 11 46.297  +14 13 56.40  22.1w 02CY248   F51  C~1vV8      
2015 03  18.26539  09 08 18.534  +14 28 49.82  22.8G 02CY248   F51  C~2r79      
2016 02  01.40055  09 14 41.637  +13 53 26.83  22.0G 02CY248   F51  C~2r79      
2016 02  01.41341  09 14 41.589  +13 53 26.82  22.1G 02CY248   F51  C~2r79      
2016 02  02.37504  09 14 37.641  +13 53 43.72  22.4G 02CY248   F51  C~2r79      
2016 02  02.38664  09 14 37.584  +13 53 43.84  22.4G 02CY248   F51  C~2r79      
2016 02  02.39824  09 14 37.524  +13 53 44.10  22.8G 02CY248   F51  C~2r79      
2016 02  02.40987  09 14 37.482  +13 53 44.39  22.6G 02CY248   F51  C~2r79      
2016 02  15.38324  09 13 44.188  +13 57 33.01  22.3G 02CY248   F51  C~2r79      
2016 02  28.31281  09 12 53.523  +14 01 16.74  22.3G 02CY248   F51  C~2r79      
2016 02  28.32402  09 12 53.478  +14 01 16.80  22.2G 02CY248   F51  C~2r79      
2016 02  28.33527  09 12 53.431  +14 01 17.02  22.5G 02CY248   F51  C~2r79      
2016 02  28.34650  09 12 53.389  +14 01 17.13  23.0G 02CY248   F51  C~2r79      
2017 02  03.50798  09 18 03.966  +13 30 51.83  22.3G 02CY248   F51  C~2r79      
2017 02  21.33407  09 16 51.501  +13 36 10.82  21.5G 02CY248   F51  C~2r79      
2017 03  27.38848  09 14 59.150  +13 44 55.41  22.6G 02CY248   F51  C~2r79      
2018 01  16.41519  09 22 50.663  +13 02 02.11  22.4G 02CY248   F51  C~2r79      
2018 01  16.42704  09 22 50.619  +13 02 02.25  22.5G 02CY248   F51  C~2r79      
2018 01  16.43889  09 22 50.569  +13 02 02.40  22.7G 02CY248   F51  C~2r79      
2018 01  16.45072  09 22 50.523  +13 02 02.60  22.3G 02CY248   F51  C~2r79      
2018 02  20.32591  09 20 30.280  +13 12 13.11  22.2G 02CY248   F51  C~2r79      
2018 03  07.23839  09 19 33.899  +13 16 34.39  22.4G 02CY248   F51  C~2r79      
2018 03  07.25002  09 19 33.839  +13 16 34.51  22.4G 02CY248   F51  C~2r79      
2018 03  07.26164  09 19 33.801  +13 16 34.86  22.3G 02CY248   F51  C~2r79      
2018 03  07.27327  09 19 33.764  +13 16 35.04  22.9G 02CY248   F51  C~2r79      

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     0.88       0.00     0.28
  2   0.0002      0.00     0.68       0.00     0.35
  3   0.0825      0.00     0.06       0.00     0.29
  4   0.0828      0.00    -0.20       0.00     0.28
  5   0.0852      0.00    -0.15       0.00     0.25
  6   2.0285      0.00     0.08       0.00     0.09
  7   2.0286      0.00    -0.12       0.00    -0.03
  8   2.0311      0.00    -0.07       0.00    -0.02
  9   2.0312      0.00    -0.06       0.00     0.02
 10   2.0313      0.00    -0.02       0.00     0.03
 11   2.0315      0.00     0.08       0.00     0.21
 12   2.0534      0.00    -0.16       0.00     0.03
 13   2.0536      0.00     0.08       0.00    -0.05
 14   2.0562      0.00    -0.19       0.00     0.05
 15   2.1164      0.00     0.30       0.00     0.57
 16   2.1167      0.00     0.12       0.00     0.27
 17   2.8507      0.00    -0.68       0.00     0.12
 18   2.8507      0.00    -0.66       0.00     0.12
 19   2.8507      0.00    -0.64       0.00     0.11
 20   2.8507      0.00    -0.63       0.00     0.11
 21   2.8507      0.00    -0.69       0.00     0.09
 22   2.8507      0.00    -0.67       0.00     0.09
 23   3.0090      0.00    -0.05       0.00    -0.00
 24   3.0093      0.00    -0.32       0.00    -0.01
 25   3.9242      0.00     0.87       0.00    -0.86
 26   3.9243      0.00     0.82       0.00    -0.92
 27   3.9243      0.00     0.79       0.00    -0.88
 28   3.9243      0.00     0.90       0.00    -0.84
 29   4.7951      0.00     0.13       0.00     0.03
 30   4.7977      0.00     0.15       0.00     0.08
 31   4.7979      0.00     0.16       0.00     0.13
 32   4.7980      0.00     0.06       0.00    -0.03
 33   4.8796      0.00     0.09       0.00     0.38
 34   4.8798      0.00     0.85       0.00    -1.17
 35   4.9505      0.00    -0.39       0.00     0.01
 36   4.9506      0.00    -0.21       0.00    -0.26
 37   4.9507      0.00    -0.30       0.00    -0.17
 38   4.9534      0.00    -0.64       0.00     0.01
 39   5.9144      0.00    -0.12       0.00    -0.10
 40   5.9146      0.00    -0.29       0.00     0.03
 41   5.9146      0.00    -0.15       0.00    -0.08
 42   5.9176      0.00    -0.01       0.00     0.04
 43   7.1293      0.00     0.56       0.00    -0.62
 44   7.1296      0.00    -0.40       0.00    -0.30
 45  10.8640      0.00    -0.05       0.00     0.31
 46  10.8642      0.00     0.06       0.00     0.23
 47  10.8643      0.00    -0.04       0.00     0.19
 48  10.8667      0.00     0.18       0.00     0.39
 49  10.8669      0.00     0.01       0.00     0.16
 50  10.8670      0.00    -0.02       0.00     0.34
 51  10.9278      0.00     0.21       0.00    -0.09
 52  10.9278      0.00     0.30       0.00     0.19
 53  10.9279      0.00     0.25       0.00     0.16
 54  10.9279      0.00     0.04       0.00     0.15
 55  10.9930      0.00    -0.14       0.00     0.10
 56  10.9930      0.00    -0.12       0.00     0.07
 57  10.9931      0.00    -0.25       0.00     0.08
 58  10.9931      0.00    -0.04       0.00     0.08
 59  11.0088      0.00     0.02       0.00     0.35
 60  11.0091      0.00    -0.08       0.00     0.28
 61  11.0092      0.00     0.01       0.00     0.13
 62  11.0694      0.00     0.27       0.00     0.15
 63  11.0695      0.00    -0.08       0.00     0.07
 64  11.0695      0.00    -0.30       0.00    -0.05
 65  11.0695      0.00    -0.20       0.00    -0.00
 66  11.9131      0.00     0.10       0.00     0.18
 67  11.9132      0.00     0.22       0.00     0.17
 68  11.9132      0.00    -0.04       0.00    -0.07
 69  12.0388      0.00     0.01       0.00    -0.00
 70  12.0389      0.00    -0.17       0.00    -0.03
 71  12.0389      0.00    -0.21       0.00    -0.17
 72  12.1153      0.00    -0.05       0.00     0.09
 73  12.1153      0.00    -0.01       0.00    -0.04
 74  12.1153      0.00    -0.01       0.00     0.09
 75  12.1262      0.00     0.04       0.00     0.20
 76  12.1262      0.00     0.00       0.00     0.04
 77  12.8033      0.00     0.09       0.00    -0.02
 78  12.9480      0.00    -0.03       0.00    -0.19
 79  12.9538      0.00     0.15       0.00     0.04
 80  12.9539      0.00     0.14       0.00    -0.07
 81  12.9539      0.00     0.20       0.00    -0.03
 82  12.9539      0.00    -0.10       0.00    -0.06
 83  12.9593      0.00     0.02       0.00    -0.19
 84  12.9594      0.00     0.11       0.00    -0.07
 85  12.9594      0.00     0.19       0.00    -0.08
 86  12.9594      0.00     0.16       0.00    -0.09
 87  13.1091      0.00    -0.11       0.00    -0.26
 88  13.9856      0.00     0.03       0.00    -0.03
 89  13.9857      0.00     0.11       0.00    -0.26
 90  13.9883      0.00     0.15       0.00    -0.05
 91  13.9883      0.00     0.02       0.00    -0.14
 92  13.9883      0.00    -0.15       0.00    -0.08
 93  13.9884      0.00    -0.05       0.00     0.01
 94  14.0239      0.00    -0.26       0.00    -0.02
 95  14.0593      0.00     0.05       0.00     0.07
 96  14.0593      0.00     0.02       0.00    -0.06
 97  14.0594      0.00    -0.04       0.00    -0.03
 98  14.0594      0.00    -0.03       0.00    -0.11
 99  14.9934      0.00     0.07       0.00    -0.05
100  15.0422      0.00     0.07       0.00    -0.01
101  15.1355      0.00    -0.20       0.00     0.19
102  15.9432      0.00     0.01       0.00     0.05
103  15.9433      0.00     0.03       0.00     0.00
104  15.9433      0.00    -0.04       0.00    -0.03
105  15.9433      0.00    -0.05       0.00    -0.02
106  16.0388      0.00    -0.01       0.00    -0.12
107  16.0796      0.00     0.08       0.00     0.04
108  16.0797      0.00    -0.20       0.00    -0.04
109  16.0797      0.00    -0.14       0.00     0.12
110  16.0797      0.00    -0.07       0.00     0.10

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.

02CY248    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        46.246    46.246    46.246
ecceobj         0.143     0.143     0.143
incobj          7.031     7.031     7.031
qmin           38.798    38.813    38.800
qmax           54.117    54.067    54.099
amean          46.262    46.262    46.263
amin           45.874    45.870    45.872
amax           46.717    46.711    46.704
emean           0.145     0.145     0.145
emin            0.133     0.132     0.133
emax            0.159     0.158     0.159
imean           8.584     8.584     8.584
imin            8.048     8.049     8.050
imax            9.059     9.058     9.060
excite_mean     0.208     0.208     0.208
fracstop        1.000     1.000     1.000
cjmean          3.076     3.076     3.076

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       176.2     176.2     176.2
kozaiamp        179.9     180.0     180.0