Orbit Fit and Astrometric record for 01QR322

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: 01QR322   
# Created Tue Oct 15 01:08:13 2019
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   99 observations of   99
# Arc:  16.25y
# First observation: 2001/08/21
#  Last observation: 2017/11/21
# Chi-squared of fit:   267.27 DOF:  192 RMS:  0.29
# Min/Max residuals:    -1.13    0.67
# Exact a, adot, b, bdot, g, gdot:
  1.770793E-05  4.054074E-02 -3.438759E-06 -8.392529E-04  3.478361E-02  1.516617E-03
# Covariance matrix:
  1.2584E-13 -1.8519E-14 -8.6619E-16  3.0583E-16  3.6238E-14 -1.9619E-14
 -1.8519E-14  5.7795E-15  2.9998E-16 -1.1510E-16  5.9064E-16  7.3772E-15
 -8.6619E-16  2.9998E-16  6.0748E-14 -4.8121E-15 -8.1131E-17  4.1923E-16
  3.0583E-16 -1.1510E-16 -4.8121E-15  4.8316E-16 -2.6975E-18 -1.6039E-16
  3.6238E-14  5.9064E-16 -8.1131E-17 -2.6975E-18  4.8230E-14  1.5060E-16
 -1.9619E-14  7.3772E-15  4.1923E-16 -1.6039E-16  1.5060E-16  1.0280E-14
#      lat0       lon0       xBary       yBary       zBary        JD0
   -0.584769   -2.001734    0.506661   -0.009031   -0.876301  2452142.819543
# Heliocentric elements and errors
Epoch:              2452142.5000  =  2001/08/21
Mean Anomaly:           37.92462 +/-     0.023
Argument of Peri:      165.47168 +/-     0.024
Long of Asc Node:      151.59169 +/-     0.001
Inclination:             1.32116 +/-     0.000
Eccentricity:         0.02825162 +/-    0.0000
Semi-Major Axis:     30.29792810 +/-    0.0008
Time of Perihelion: 2445725.4325 +/-       3.9
Perihelion:          29.44196263 +/-    0.0009
Aphelion:            31.15389358 +/-    0.0009
Period (y)              166.7737 +/-      0.01
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           29.59094702 +/-    0.0002
Ecliptic Y           -1.53507727 +/-    0.0000
Ecliptic Z           -0.29353477 +/-    0.0000
Ecliptic XDOT         0.00022145 +/-    0.0000
Ecliptic YDOT         0.00318623 +/-    0.0000
Ecliptic ZDOT        -0.00006706 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   29.63218208 +/-    0.0002
Geocenter to KBO     28.74918243 +/-    0.0002
# Hcoef:  8.08

The following table shows the complete astrometric record for 01QR322. 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 (01QR322) followed by the observatory code and reference code for the source of the astrometry.

2001 08  21.31880  23 53 35.01   -01 19 57.6   21.2R 01QR322   807  Ce0366      
2001 08  21.38670  23 53 34.67   -01 19 59.9         01QR322   807  Ce0366      
2001 10  20.27859  23 47 48.55   -01 57 58.4   22.5R 01QR322   695  Ce0366      
2001 10  20.33628  23 47 48.23   -01 58 00.1         01QR322   695  Ce0366      
2001 10  21.16690  23 47 44.04   -01 58 27.1         01QR322   695  Ce0366      
2001 11  03.04749  23 46 46.07   -02 04 38.1   19.7  01QR322   304  Ce6601      
2001 11  03.09358  23 46 45.89   -02 04 39.4         01QR322   304  Ce6601      
2002 11  07.13563  23 55 03.97   -01 13 51.3   22.2R 01QR322   695  C48551      
2002 11  07.22529  23 55 03.61   -01 13 53.8         01QR322   695  C48551      
2002 12  23.20589  23 54 11.45   -01 18 54.4   22.8R 01QR322   568  Cg9813      
2002 12  23.28621  23 54 11.59   -01 18 53.3         01QR322   568  Cg9813      
2003 09  27.40902  00 07 15.57   +00 02 14.5   22.2R 01QR322   688  Ci6182      
2003 09  27.47209  00 07 15.17   +00 02 12.6         01QR322   688  Ci6182      
2003 09  28.294460 00 07 10.12   +00 01 39.8   22.4V 01QR322   645  C~2POB      
2003 09  28.295289 00 07 10.12   +00 01 39.8   22.6V 01QR322   645  C~2POB      
2003 09  28.297777 00 07 10.11   +00 01 39.8   23.1V 01QR322   645  C~2POB      
2003 11  16.162232 00 03 03.76   -00 24 49.5   22.2V 01QR322   645  C~2POB      
2003 11  16.163062 00 03 03.76   -00 24 49.5   22.5V 01QR322   645  C~2POB      
2003 11  16.165549 00 03 03.76   -00 24 49.5   23.5V 01QR322   645  C~2POB      
2004 10  16.02931  00 13 54.58   +00 42 25.1         01QR322   304  Cn2546      
2004 10  16.07349  00 13 54.33   +00 42 23.2         01QR322   304  Cn2546      
2004 10  16.11233  00 13 54.11   +00 42 21.7         01QR322   304  Cn2546      
2004 12  12.30201  00 10 42.91   +00 22 23.6         01QR322   568  Cn2546      
2004 12  13.31117  00 10 42.74   +00 22 24.1   22.7R 01QR322   568  Cn2546      
2004 12  14.30574  00 10 42.75   +00 22 25.0   22.7R 01QR322   568  Cn2546      
2005 08  09.19942  00 28 33.71   +02 15 17.9   20.9R 01QR322   807  Co3551      
2005 08  10.18231  00 28 30.41   +02 14 55.1         01QR322   807  Co3551      
2005 08  10.31686  00 28 29.95   +02 14 51.8         01QR322   807  Co3551      
2008 07  21.44129  00 54 23.61   +04 52 21.1   23.2R 01QR322   250  S~06AQ      
2008 07  21.44754  00 54 23.61   +04 52 21.1         01QR322   250  S~06AQ      
2008 07  21.50518  00 54 23.58   +04 52 20.8         01QR322   250  S~06AQ      
2008 07  21.51143  00 54 23.58   +04 52 20.8         01QR322   250  S~06AQ      
2008 10  08.386477 00 48 55.69   +04 15 57.3   22.2V 01QR322   645  C~1S6l      
2008 10  08.387305 00 48 55.69   +04 15 57.2   22.1V 01QR322   645  C~1S6l      
2008 10  08.389793 00 48 55.67   +04 15 57.2   23.3V 01QR322   645  C~1S6l      
2010 06  19.57117  01 10 01.515  +06 25 40.34  23.3G 01QR322   F51  C~2rXe      
2010 10  04.40831  01 06 34.16   +06 01 00.6   23.1g 01QR322   568  C~2u4h      
2010 10  04.44423  01 06 33.92   +06 00 59.1   22.4i 01QR322   568  C~2u4h      
2010 10  04.47825  01 06 33.71   +06 00 57.9   23.2g 01QR322   568  C~2u4h      
2010 10  06.44062  01 06 21.630  +05 59 41.85  22.1G 01QR322   F51  C~2rXe      
2010 10  13.44447  01 05 38.134  +05 55 11.75  21.8G 01QR322   F51  C~2rXe      
2010 10  13.45965  01 05 38.054  +05 55 11.18  22.7G 01QR322   F51  C~2rXe      
2010 10  13.47500  01 05 37.924  +05 55 10.35  22.9G 01QR322   F51  C~2rXe      
2010 10  13.48894  01 05 37.880  +05 55 09.53  22.7G 01QR322   F51  C~2rXe      
2012 10  08.51301  01 23 19.044  +07 37 49.90  23.4G 01QR322   F51  C~2rXe      
2012 10  17.39291  01 22 23.582  +07 32 15.60  22.7G 01QR322   F51  C~2rXe      
2012 10  17.39453  01 22 23.57   +07 32 15.8   23.5w 01QR322   F51  C~1tf7      
2012 10  17.40625  01 22 23.50   +07 32 15.4   22.6w 01QR322   F51  C~1tf7      
2012 10  17.40632  01 22 23.503  +07 32 15.36  22.7G 01QR322   F51  C~2rXe      
2012 10  17.43328  01 22 23.316  +07 32 14.16  22.5G 01QR322   F51  C~2rXe      
2012 11  06.28479  01 20 23.551  +07 20 21.94  22.8G 01QR322   F51  C~2rXe      
2012 11  06.29968  01 20 23.441  +07 20 21.40  23.1G 01QR322   F51  C~2rXe      
2012 11  06.31463  01 20 23.374  +07 20 20.87  23.7G 01QR322   F51  C~2rXe      
2012 11  06.32956  01 20 23.274  +07 20 20.32  22.7G 01QR322   F51  C~2rXe      
2013 10  02.39589  01 32 35.238  +08 30 26.68  22.5G 01QR322   F51  C~2rXe      
2013 10  02.41016  01 32 35.15   +08 30 26.4   22.4w 01QR322   F51  C~1tf7      
2013 10  02.42578  01 32 35.06   +08 30 25.9   22.5w 01QR322   F51  C~1tf7      
2013 10  02.44141  01 32 34.96   +08 30 25.1   22.2w 01QR322   F51  C~1tf7      
2013 10  27.33543  01 30 00.310  +08 15 10.36  23.4G 01QR322   F51  C~2rXe      
2013 10  27.35092  01 30 00.230  +08 15 09.66  22.1G 01QR322   F51  C~2rXe      
2013 10  27.35156  01 30 00.22   +08 15 09.8   22.6w 01QR322   F51  C~1tf7      
2013 10  27.36650  01 30 00.125  +08 15 09.48  23.0G 01QR322   F51  C~2rXe      
2013 10  27.36719  01 30 00.11   +08 15 09.6   22.6w 01QR322   F51  C~1tf7      
2013 10  27.38210  01 30 00.043  +08 15 08.63  22.7G 01QR322   F51  C~2rXe      
2013 10  27.38281  01 30 00.03   +08 15 08.7   22.6w 01QR322   F51  C~1tf7      
2013 11  25.24145  01 27 21.540  +07 59 56.81  22.7G 01QR322   F51  C~2rXe      
2013 11  25.24219  01 27 21.53   +07 59 57.3   22.8w 01QR322   F51  C~1tf7      
2013 11  25.27344  01 27 21.38   +07 59 56.4   22.8w 01QR322   F51  C~1tf7      
2014 09  19.45809  01 42 26.433  +09 25 30.76  22.9G 01QR322   F51  C~2rXe      
2014 09  29.52590  01 41 31.001  +09 20 01.42  23.0G 01QR322   F51  C~2rXe      
2014 09  29.52655  01 41 30.980  +09 20 01.31  23.4G 01QR322   F51  C~2rXe      
2014 09  29.53732  01 41 30.909  +09 20 00.44  22.3G 01QR322   F51  C~2rXe      
2014 09  29.53798  01 41 30.910  +09 20 00.58  22.7G 01QR322   F51  C~2rXe      
2014 09  29.54877  01 41 30.856  +09 20 00.23  22.4G 01QR322   F51  C~2rXe      
2014 09  29.54942  01 41 30.853  +09 20 00.54  22.6G 01QR322   F51  C~2rXe      
2014 09  29.56086  01 41 30.787  +09 20 00.19  22.1G 01QR322   F51  C~2rXe      
2015 08  28.51977  01 52 33.228  +10 21 08.34  22.6G 01QR322   F51  C~2rXe      
2015 09  12.44259  01 51 37.607  +10 15 28.85  23.6G 01QR322   F51  C~2rXe      
2015 09  12.45295  01 51 37.553  +10 15 28.49  23.2G 01QR322   F51  C~2rXe      
2015 09  12.47383  01 51 37.467  +10 15 27.66  23.3G 01QR322   F51  C~2rXe      
2015 10  16.35483  01 48 28.409  +09 57 12.22  23.0G 01QR322   F51  C~2rXe      
2015 12  03.24314  01 43 53.996  +09 31 52.68  22.9G 01QR322   F51  C~2rXe      
2015 12  31.30280  01 42 37.321  +09 25 29.98  23.8G 01QR322   F51  C~2rXe      
2016 10  06.51423  01 58 03.765  +10 48 28.18  22.9G 01QR322   F51  C~2rXe      
2016 10  27.56043  01 55 51.768  +10 36 16.12  22.7G 01QR322   F51  C~2rXe      
2016 10  28.55556  01 55 45.434  +10 35 41.72  23.1G 01QR322   F51  C~2rXe      
2016 10  29.28449  01 55 40.822  +10 35 16.20  22.8G 01QR322   F51  C~2rXe      
2016 10  31.34788  01 55 27.727  +10 34 04.14  21.6G 01QR322   F51  C~2rXe      
2017 08  03.60293  02 10 04.671  +11 53 14.84  23.1G 01QR322   F51  C~2rXe      
2017 09  23.43256  02 07 57.655  +11 40 08.14  22.8G 01QR322   F51  C~2rXe      
2017 09  23.45445  02 07 57.512  +11 40 07.38  22.9G 01QR322   F51  C~2rXe      
2017 09  23.46549  02 07 57.473  +11 40 07.12  22.6G 01QR322   F51  C~2rXe      
2017 09  27.61390  02 07 35.733  +11 38 06.14  23.2G 01QR322   F51  C~2rXe      
2017 10  19.57089  02 05 24.876  +11 26 10.28  23.5G 01QR322   F51  C~2rXe      
2017 11  07.47066  02 03 24.439  +11 15 27.13  23.2G 01QR322   F51  C~2rXe      
2017 11  20.41828  02 02 07.128  +11 08 41.16  23.3G 01QR322   F51  C~2rXe      
2017 11  21.41911  02 02 01.498  +11 08 12.05  22.2G 01QR322   F51  C~2rXe      
2017 11  21.43061  02 02 01.439  +11 08 11.82  22.6G 01QR322   F51  C~2rXe      
2017 11  21.44220  02 02 01.377  +11 08 11.56  22.3G 01QR322   F51  C~2rXe      

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    -0.11       0.00     0.64
  2   0.0002      0.00     0.08       0.00     0.67
  3   0.1642      0.00     0.62       0.00    -0.08
  4   0.1643      0.00     0.29       0.00     0.11
  5   0.1666      0.00    -0.01       0.00     0.10
  6   0.2019      0.00    -0.51       0.00     0.14
  7   0.2020      0.00    -0.42       0.00    -0.01
  8   1.2124      0.00     0.04       0.00     0.08
  9   1.2126      0.00    -0.13       0.00    -0.26
 10   1.3385      0.00    -0.54       0.00    -1.13
 11   1.3387      0.00    -0.42       0.00    -1.02
 12   2.1002      0.00     0.52       0.00    -1.03
 13   2.1004      0.00     0.39       0.00    -0.39
 14   2.1026      0.00     0.06       0.00    -0.10
 15   2.1026      0.00     0.14       0.00    -0.07
 16   2.1026      0.00     0.22       0.00     0.03
 17   2.2364      0.00     0.14       0.00    -0.05
 18   2.2364      0.00     0.18       0.00    -0.03
 19   2.2364      0.00     0.30       0.00     0.01
 20   3.1532      0.00    -0.26       0.00     0.48
 21   3.1533      0.00    -0.16       0.00     0.21
 22   3.1534      0.00    -0.07       0.00     0.15
 23   3.3100      0.00     0.53       0.00     0.46
 24   3.3128      0.00    -0.18       0.00     0.58
 25   3.3155      0.00    -0.16       0.00     0.26
 26   3.9668      0.00     0.29       0.00     0.16
 27   3.9695      0.00     0.08       0.00     0.29
 28   3.9699      0.00     0.23       0.00     0.18
 29   6.9161      0.00    -0.83       0.00     0.34
 30   6.9162      0.00    -0.79       0.00     0.37
 31   6.9163      0.00    -0.86       0.00     0.36
 32   6.9163      0.00    -0.81       0.00     0.39
 33   7.1323      0.00     0.38       0.00    -0.44
 34   7.1323      0.00     0.46       0.00    -0.51
 35   7.1323      0.00     0.39       0.00    -0.41
 36   8.8275      0.00     0.37       0.00    -0.06
 37   9.1200      0.00     0.15       0.00     0.38
 38   9.1201      0.00    -0.06       0.00     0.26
 39   9.1202      0.00    -0.01       0.00     0.37
 40   9.1256      0.00     0.39       0.00    -0.04
 41   9.1448      0.00    -0.02       0.00     0.20
 42   9.1448      0.00     0.22       0.00     0.22
 43   9.1448      0.00    -0.28       0.00    -0.02
 44   9.1449      0.00     0.38       0.00    -0.30
 45  11.1326      0.00     0.15       0.00    -0.06
 46  11.1569      0.00    -0.05       0.00    -0.18
 47  11.1569      0.00    -0.08       0.00     0.08
 48  11.1570      0.00    -0.00       0.00     0.12
 49  11.1570      0.00     0.05       0.00     0.08
 50  11.1571      0.00    -0.18       0.00    -0.11
 51  11.2114      0.00     0.22       0.00    -0.06
 52  11.2114      0.00    -0.14       0.00    -0.10
 53  11.2115      0.00     0.15       0.00    -0.14
 54  11.2115      0.00    -0.06       0.00    -0.19
 55  12.1152      0.00     0.14       0.00    -0.13
 56  12.1152      0.00     0.12       0.00     0.10
 57  12.1153      0.00     0.21       0.00     0.16
 58  12.1153      0.00     0.14       0.00    -0.08
 59  12.1835      0.00    -0.10       0.00    -0.10
 60  12.1835      0.00     0.16       0.00    -0.24
 61  12.1835      0.00     0.07       0.00    -0.08
 62  12.1836      0.00     0.05       0.00     0.14
 63  12.1836      0.00    -0.11       0.00     0.28
 64  12.1836      0.00     0.29       0.00    -0.15
 65  12.1836      0.00     0.17       0.00    -0.05
 66  12.2626      0.00    -0.11       0.00    -0.44
 67  12.2626      0.00    -0.21       0.00     0.07
 68  12.2627      0.00    -0.30       0.00    -0.04
 69  13.0791      0.00     0.07       0.00     0.06
 70  13.1067      0.00     0.24       0.00     0.17
 71  13.1067      0.00    -0.02       0.00     0.08
 72  13.1067      0.00    -0.13       0.00    -0.42
 73  13.1067      0.00    -0.06       0.00    -0.26
 74  13.1067      0.00     0.09       0.00    -0.24
 75  13.1067      0.00     0.10       0.00     0.10
 76  13.1068      0.00     0.12       0.00     0.14
 77  14.0183      0.00     0.12       0.00    -0.08
 78  14.0592      0.00     0.12       0.00     0.13
 79  14.0592      0.00     0.02       0.00     0.04
 80  14.0593      0.00     0.16       0.00    -0.24
 81  14.1520      0.00     0.03       0.00    -0.05
 82  14.2832      0.00    -0.11       0.00    -0.02
 83  14.3600      0.00    -0.03       0.00     0.27
 84  15.1272      0.00     0.03       0.00     0.03
 85  15.1848      0.00    -0.01       0.00    -0.07
 86  15.1875      0.00    -0.00       0.00     0.25
 87  15.1895      0.00    -0.11       0.00     0.11
 88  15.1952      0.00    -0.30       0.00    -0.46
 89  15.9515      0.00    -0.11       0.00     0.19
 90  16.0907      0.00     0.16       0.00     0.12
 91  16.0907      0.00    -0.28       0.00    -0.02
 92  16.0908      0.00    -0.00       0.00     0.03
 93  16.1021      0.00     0.11       0.00     0.21
 94  16.1622      0.00     0.48       0.00    -0.00
 95  16.2140      0.00    -0.21       0.00     0.17
 96  16.2494      0.00     0.02       0.00    -0.10
 97  16.2522      0.00    -0.24       0.00    -0.04
 98  16.2522      0.00    -0.14       0.00     0.06
 99  16.2522      0.00    -0.08       0.00     0.14

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.

01QR322    quality flag:3

Type:            1:1       1:1       1:1

axisobj        30.425    30.425    30.425
ecceobj         0.032     0.032     0.032
incobj          1.320     1.320     1.320
qmin           28.297    28.320    28.282
qmax           32.067    31.995    32.074
amean          30.110    30.110    30.110
amin           29.723    29.716    29.723
amax           30.510    30.528    30.518
emean           0.031     0.030     0.031
emin            0.005     0.003     0.006
emax            0.053     0.053     0.053
imean           1.263     1.256     1.263
imin            0.883     0.831     0.880
imax            1.529     1.531     1.530
excite_mean     0.038     0.038     0.039
fracstop        1.000     1.000     1.000
cjmean          2.999     2.999     2.999

libcent 0        70.8      70.1      69.0
libamp  0        38.1      37.0      34.6
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       186.8     187.1     187.0
kozaiamp        180.0     180.0     179.9