Orbit Fit and Astrometric record for 04XR190

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: 04XR190   
# Created Sat Dec  3 02:37:43 2016
# Orbit generated from Bernstein formalism
# Fitting   70 observations of   74
# Arc:  12.13y
# First observation: 2002/12/06
#  Last observation: 2015/01/24
Preliminary a, adot, b, bdot, g, gdot:
  -0.000757   0.009917   0.000837  -0.010494   0.017297   0.000000
# Chi-squared of fit:    43.18 DOF:  134 RMS:  0.14
# Min/Max residuals:    -0.34    0.31
# Exact a, adot, b, bdot, g, gdot:
  9.406689E-06  9.638414E-03 -8.656219E-06 -1.019318E-02  1.735147E-02 -1.510002E-03
# Covariance matrix:
  1.4003E-13 -3.6811E-14 -6.4378E-14  3.0156E-14 -4.1385E-14 -2.1035E-13
 -3.6811E-14  1.4927E-14  3.1230E-14 -1.4641E-14  7.3709E-15  1.0230E-13
 -6.4378E-14  3.1230E-14  1.3769E-13 -4.0894E-14  1.0563E-14  2.3456E-13
  3.0156E-14 -1.4641E-14 -4.0894E-14  1.6916E-14 -4.8911E-15 -1.0999E-13
 -4.1385E-14  7.3709E-15  1.0563E-14 -4.8911E-15  6.5086E-14  3.3342E-14
 -2.1035E-13  1.0230E-13  2.3456E-13 -1.0999E-13  3.3342E-14  7.6877E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
    2.189047   70.273761   -0.060762    0.037390   -0.978437  2452614.817373
# Heliocentric elements and errors
Epoch:              2452610.5000  =  2002/12/02
Mean Anomaly:          268.54632 +/-     0.029
Argument of Peri:      280.85327 +/-     0.022
Long of Asc Node:      252.37783 +/-     0.000
Inclination:            46.52812 +/-     0.000
Eccentricity:         0.10924714 +/-    0.0001
Semi-Major Axis:     57.77470249 +/-    0.0032
Time of Perihelion: 2493358.2548 +/-      12.5
Perihelion:          51.46298169 +/-    0.0046
Aphelion:            64.08642330 +/-    0.0051
Period (y)              439.1519 +/-      0.04
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           19.70973496 +/-    0.0003
Ecliptic Y           55.15761939 +/-    0.0008
Ecliptic Z            2.20085927 +/-    0.0000
Ecliptic XDOT        -0.00149849 +/-    0.0000
Ecliptic YDOT         0.00034328 +/-    0.0000
Ecliptic ZDOT        -0.00161608 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   58.61467743 +/-    0.0008
Geocenter to KBO     57.63199536 +/-    0.0008
# Hcoef:  4.26

The following table shows the complete astrometric record for 04XR190. 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 (04XR190) followed by the observatory code and reference code for the source of the astrometry.

2002 12  06.316630 04 33 13.50   +24 09 17.8   21.8V 04XR190   645  C~1RHV      
2002 12  06.317459 04 33 13.50   +24 09 17.8   21.6V 04XR190   645  C~1RHV      
2002 12  06.319947 04 33 13.49   +24 09 17.8   22.2V 04XR190   645  C~1RHV      
2003 12  21.198379 04 35 01.92   +23 35 58.3   22.0V 04XR190   645  C~1RHV      
2003 12  21.199208 04 35 01.92   +23 35 58.3   21.4V 04XR190   645  C~1RHV      
2003 12  21.201696 04 35 01.91   +23 35 58.2   22.5V 04XR190   645  C~1RHV      
2004 12  11.37220  04 38 22.58   +23 07 56.2   21.8r 04XR190   568  Cp3704      
2004 12  11.40095  04 38 22.46   +23 07 55.8   21.8r 04XR190   568  Cp3704      
2004 12  11.43050  04 38 22.35   +23 07 55.4   21.7r 04XR190   568  Cp3704      
2004 12  12.29558  04 38 18.91   +23 07 43.5   21.8r 04XR190   568  Cp3704      
2005 10  03.42252  04 44 54.79   +22 50 55.2         04XR190   675  Cp5312      
2005 10  03.46821  04 44 54.72   +22 50 54.8         04XR190   675  Cp5312      
2005 10  03.52046  04 44 54.63   +22 50 54.4         04XR190   675  Cp5312      
2005 10  04.37903  04 44 53.21   +22 50 47.1         04XR190   675  Cp5312      
2005 10  04.42754  04 44 53.13   +22 50 46.7         04XR190   675  Cp5312      
2005 10  15.46157  04 44 30.15   +22 49 06.6   21.7I 04XR190   697  Cp5312      
2005 10  15.47225  04 44 30.13   +22 49 06.6   21.9I 04XR190   697  Cp5312      
2005 10  15.48235  04 44 30.11   +22 49 06.5   21.8I 04XR190   697  Cp5312      
2005 10  15.49088  04 44 30.08   +22 49 06.2   22.0I 04XR190   697  Cp5312      
2005 10  15.49885  04 44 30.05   +22 49 06.2   21.8I 04XR190   697  Cp5312      
2005 10  15.50646  04 44 30.04   +22 49 06.2   21.6R 04XR190   697  Cp5312      
2005 10  15.51392  04 44 30.03   +22 49 06.1   21.7R 04XR190   697  Cp5312      
2005 10  15.52146  04 44 30.01   +22 49 06.1   21.7R 04XR190   697  Cp5312      
2005 11  04.27055  04 43 31.52   +22 45 32.1         04XR190   695  Cp5312      
2005 11  06.21923  04 43 24.74   +22 45 08.9         04XR190   695  Cp5312      
2005 11  06.22659  04 43 24.72   +22 45 08.7         04XR190   695  Cp5312      
2005 11  06.23333  04 43 24.69   +22 45 08.7         04XR190   695  Cp5312      
2005 12  01.47526  04 41 47.64   +22 39 45.2   21.7i 04XR190   568  Cp5312      
2005 12  01.52025  04 41 47.46   +22 39 44.7   21.9g 04XR190   568  Cp5312      
2006 01  28.10603  04 38 33.21   +22 27 48.6         04XR190   675  Cy7595      
2006 01  28.23212  04 38 32.96   +22 27 47.2         04XR190   675  Cy7595      
2006 01  29.09450  04 38 31.24   +22 27 38.8         04XR190   675  Cy7595      
2006 08  07.32839  04 47 10.76   +22 25 03.2   21.2R 04XR190   250  S~06Am      
2006 08  07.33279  04 47 10.78   +22 25 03.2         04XR190   250  S~06Am      
2006 08  07.33718  04 47 10.79   +22 25 03.2         04XR190   250  S~06Am      
2006 08  07.34158  04 47 10.80   +22 25 03.1         04XR190   250  S~06Am      
2006 09  25.47895  04 47 47.15   +22 21 22.4         04XR190   696  Cy7595      
2006 09  25.48773  04 47 47.14   +22 21 22.3         04XR190   696  Cy7595      
2006 09  25.49556  04 47 47.13   +22 21 22.3         04XR190   696  Cy7595      
2006 09  27.49192  04 47 44.91   +22 21 06.7         04XR190   696  Cy7595      
2006 09  27.49979  04 47 44.90   +22 21 06.6         04XR190   696  Cy7595      
2007 09  16.50353  04 50 33.54   +21 51 40.3         04XR190   675  Cy7595      
2007 09  17.44006  04 50 33.20   +21 51 33.6         04XR190   675  Cy7595      
2010 10  11.47713  04 58 02.510  +20 13 46.24  21.9w 04XR190   F51  C~1vVN      
2010 10  11.49112  04 58 02.508  +20 13 46.29  22.1w 04XR190   F51  C~1vVN      
2010 10  11.50554  04 58 02.462  +20 13 46.29  22.2w 04XR190   F51  C~1vVN      
2010 10  11.51952  04 58 02.456  +20 13 45.93  22.2w 04XR190   F51  C~1vVN      
2010 12  05.35825  04 55 02.851  +20 02 35.34  21.7w 04XR190   F51  C~1vVN      
2010 12  05.37648  04 55 02.780  +20 02 35.18  21.7w 04XR190   F51  C~1vVN      
2010 12  05.39024  04 55 02.715  +20 02 34.88  21.7w 04XR190   F51  C~1vVN      
2010 12  05.40414  04 55 02.655  +20 02 34.85  21.6w 04XR190   F51  C~1vVN      
2011 01  10.28697  04 52 47.69   +19 55 54.8   21.7R 04XR190   695  C~0U3I      
2011 01  10.40310  04 52 47.33   +19 55 53.5         04XR190   695  C~0U3I      
2011 01  10.41995  04 52 47.26   +19 55 53.4         04XR190   695  C~0U3I      
2013 11  27.36315  05 03 34.722  +18 27 23.91  21.8w 04XR190   F51  C~1vVN      
2013 11  27.37839  05 03 34.655  +18 27 23.71  21.6w 04XR190   F51  C~1vVN      
2013 11  27.39363  05 03 34.595  +18 27 23.55  21.7w 04XR190   F51  C~1vVN      
2013 11  27.40897  05 03 34.534  +18 27 23.31  21.8w 04XR190   F51  C~1vVN      
2014 10  25.62708  05 08 05.465  +18 01 43.80  22.0w 04XR190   F51  C~1vVN      
2014 10  25.62975  05 08 05.446  +18 01 43.46  22.0w 04XR190   F51  C~1vVN      
2014 10  25.63242  05 08 05.470  +18 01 43.73  22.2w 04XR190   F51  C~1vVN      
2014 10  25.63506  05 08 05.457  +18 01 43.86  22.0w 04XR190   F51  C~1vVN      
2014 11  26.34345  05 06 18.824  +17 54 53.90  21.7w 04XR190   F51  C~1vVN      
2014 11  26.35537  05 06 18.774  +17 54 53.72  21.5w 04XR190   F51  C~1vVN      
2014 11  26.36730  05 06 18.735  +17 54 53.74  21.5w 04XR190   F51  C~1vVN      
2014 11  26.37927  05 06 18.681  +17 54 53.47  21.5w 04XR190   F51  C~1vVN      
2015 01  20.22277  05 02 56.253  +17 46 04.28  21.9w 04XR190   F51  C~1vVN      
2015 01  20.23639  05 02 56.210  +17 46 04.13  22.1w 04XR190   F51  C~1vVN      
2015 01  20.24997  05 02 56.172  +17 46 03.98  21.8w 04XR190   F51  C~1vVN      
2015 01  20.26349  05 02 56.132  +17 46 04.01  21.9w 04XR190   F51  C~1vVN      
2015 01  24.32905  05 02 45.096  +17 45 40.17  21.9w 04XR190   F51  C~1vVN      
2015 01  24.34351  05 02 45.065  +17 45 39.95  21.9w 04XR190   F51  C~1vVN      
2015 01  24.35800  05 02 45.023  +17 45 39.94  21.9w 04XR190   F51  C~1vVN      
2015 01  24.37253  05 02 44.969  +17 45 39.91  21.9w 04XR190   F51  C~1vVN      

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    -0.13       0.00    -0.13
  2   0.0000      0.00    -0.08       0.00    -0.13
  3   0.0000     -0.14    -0.07       0.02    -0.09
  4   1.0401   1180.28     0.11   -2194.77    -0.09
  5   1.0401   1180.28     0.15   -2194.77    -0.09
  6   1.0401   1180.13     0.14   -2194.85    -0.15
  7   2.0152   3679.24    -0.16   -4250.81     0.04
  8   2.0153   3677.55    -0.20   -4250.97     0.04
  9   2.0154   3675.99    -0.06   -4251.16     0.03
 10   2.0177   3627.32     0.03   -4256.38     0.02
 11   2.8258   8919.31    -0.34   -5984.86     0.04
 12   2.8259   8918.30    -0.23   -5985.14     0.00
 13   2.8260   8917.01    -0.23   -5985.38     0.03
 14   2.8284   8896.57     0.08   -5990.12    -0.14
 15   2.8285   8895.42     0.16   -5990.37    -0.16
 16   2.8587   8566.88     0.12   -6049.09    -0.02
 17   2.8587   8566.60     0.22   -6049.06     0.07
 18   2.8588   8566.31     0.29   -6049.12     0.06
 19   2.8588   8565.86     0.14   -6049.37    -0.14
 20   2.8588   8565.45     0.01   -6049.31    -0.04
 21   2.8588   8565.31     0.14   -6049.29     0.02
 22   2.8589   8565.16     0.26   -6049.38    -0.03
 23   2.8589   8564.89     0.25   -6049.34     0.05
 24   2.9129   7733.63     0.01   -6157.26     0.22
 25   2.9183   7637.46    -0.28   -6168.08     0.28
 26   2.9183   7637.16    -0.21   -6168.25     0.16
 27   2.9183   7636.75    -0.28   -6168.19     0.25
 28   2.9874   6260.91    -0.07   -6312.46    -0.16
 29   2.9876   6258.37     0.00   -6312.62    -0.06
 30   3.1452   3492.70     0.00   -6657.66     0.02
 31   3.1456   3489.07     0.15   -6658.57    -0.13
 32   3.1479   3464.28    -0.01   -6663.60     0.10
 33   3.6688  10598.88 (   0.54)  -7765.52 (   0.23)
 34   3.6688  10599.15 (   0.67)  -7765.56 (   0.22)
 35   3.6688  10599.29 (   0.66)  -7765.58 (   0.23)
 36   3.6688  10599.42 (   0.64)  -7765.69 (   0.14)
 37   3.8033  11074.60    -0.10   -8047.90     0.17
 38   3.8033  11074.45    -0.10   -8047.98     0.14
 39   3.8034  11074.31    -0.12   -8047.97     0.20
 40   3.8088  11041.73    -0.15   -8059.68     0.12
 41   3.8089  11041.58    -0.16   -8059.76     0.08
 42   4.7781  13168.16     0.30  -10104.91    -0.25
 43   4.7806  13162.65     0.17  -10111.03    -0.33
 44   7.8471  18817.82    -0.15  -16708.71    -0.18
 45   7.8472  18817.80     0.24  -16708.66    -0.02
 46   7.8472  18817.14     0.02  -16708.58     0.17
 47   7.8472  18817.02     0.31  -16708.94    -0.07
 48   7.9974  16203.60     0.13  -17094.69    -0.01
 49   7.9974  16202.58     0.18  -17094.73     0.05
 50   7.9975  16201.63     0.04  -17094.93    -0.07
 51   7.9975  16200.78     0.01  -17094.86     0.08
 52   8.0957  14248.44    -0.08  -17272.25     0.21
 53   8.0961  14243.21     0.14  -17272.94     0.00
 54   8.0961  14242.21    -0.08  -17272.92     0.10
 55  10.9762  22933.05     0.04  -23661.73     0.02
 56  10.9762  22932.06    -0.05  -23661.83     0.02
 57  10.9763  22931.18    -0.04  -23661.90     0.04
 58  10.9763  22930.28    -0.05  -23662.05    -0.01
 59  11.8859  26718.05    -0.15  -25632.42    -0.02
 60  11.8859  26717.75    -0.34  -25632.74    -0.32
 61  11.8859  26718.12     0.14  -25632.50    -0.05
 62  11.8859  26717.94     0.07  -25632.35     0.13
 63  11.9727  25130.20    -0.04  -25891.25     0.06
 64  11.9727  25129.45    -0.09  -25891.36     0.03
 65  11.9728  25128.89     0.04  -25891.28     0.19
 66  11.9728  25128.08    -0.08  -25891.48     0.07
 67  12.1229  22139.83     0.04  -26118.17    -0.01
 68  12.1230  22139.20    -0.02  -26118.25    -0.07
 69  12.1230  22138.63    -0.01  -26118.34    -0.14
 70  12.1231  22138.05    -0.01  -26118.25    -0.02
 71  12.1342  21975.77     0.02  -26125.10     0.01
 72  12.1342  21975.30     0.11  -26125.28    -0.14
 73  12.1343  21974.69     0.07  -26125.22    -0.06
 74  12.1343  21973.90    -0.15  -26125.17     0.02

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.

04XR190    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        57.812    57.822    57.803
ecceobj         0.104     0.104     0.104
incobj         46.502    46.502    46.502
qmin           50.647    50.685    50.614
qmax           64.925    64.823    64.886
amean          57.561    57.571    57.553
amin           57.061    57.069    57.054
amax           58.122    58.086    58.096
emean           0.104     0.104     0.104
emin            0.095     0.095     0.095
emax            0.117     0.116     0.117
imean          47.971    47.971    47.971
imin           47.767    47.770    47.766
imax           48.179    48.175    48.186
excite_mean     0.750     0.750     0.750
fracstop        1.000     1.000     1.000
cjmean          2.364     2.364     2.364

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       221.6     221.8     221.4
kozaiamp        180.0     180.0     180.0