Orbit Fit and Astrometric record for 59358

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: 59358     
# Created Mon Dec 22 02:36:50 2014
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   27 observations of   27
# Arc:   9.84y
# First observation: 1999/02/11
#  Last observation: 2008/12/15
# Chi-squared of fit:   124.03 DOF:   48 RMS:  0.38
# Min/Max residuals:    -0.73    0.83
# Exact a, adot, b, bdot, g, gdot:
  1.773203E-05  3.495324E-02  3.557955E-06  6.169242E-03  3.034959E-02  3.260372E-03
# Covariance matrix:
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.548279  122.535728   -0.337551    0.008722   -0.934325  2451220.782433
# Heliocentric elements and errors
Epoch:              2451220.5000  =  1999/02/11
Mean Anomaly:           23.44453 +/-     0.000
Argument of Peri:      327.27177 +/-     0.000
Long of Asc Node:      120.08109 +/-     0.000
Inclination:            10.03874 +/-     0.000
Eccentricity:         0.20848645 +/-    0.0000
Semi-Major Axis:     41.41077509 +/-    0.0000
Time of Perihelion: 2444881.6935 +/-       0.0
Perihelion:          32.77718950 +/-    0.0000
Aphelion:            50.04436069 +/-    0.0000
Period (y)              266.4884 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -18.49950174 +/-    0.0000
Ecliptic Y           28.38284035 +/-    0.0000
Ecliptic Z            0.31541098 +/-    0.0000
Ecliptic XDOT        -0.00281529 +/-    0.0000
Ecliptic YDOT        -0.00144337 +/-    0.0000
Ecliptic ZDOT         0.00055932 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   33.88085587 +/-    0.0000
Geocenter to KBO     32.94935116 +/-    0.0000
# Hcoef:  6.95

The following table shows the complete astrometric record for 59358. 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 (59358) followed by the observatory code and reference code for the source of the astrometry.

1999 02  11.28169  08 19 46.66   +20 07 39.5   21.9R 59358     568  Cb7527      
1999 02  11.32361  08 19 46.39   +20 07 40.3   21.9R 59358     568  Cb7527      
1999 02  17.24705  08 19 13.42   +20 09 47.6   21.9R 59358     568  Cb7527      
1999 02  17.29032  08 19 13.17   +20 09 48.5   21.9R 59358     568  Cb7527      
1999 03  09.35113  08 17 39.28   +20 15 53.4   21.9R 59358     568  Cb7527      
1999 03  09.37450  08 17 39.18   +20 15 53.9   21.9R 59358     568  Cb7527      
1999 04  08.28404  08 16 32.90   +20 20 45.7   22.0R 59358     568  Cb7527      
1999 04  09.29091  08 16 32.48   +20 20 49.6   22.0R 59358     568  Cb7527      
2000 01  10.52249  08 31 35.05   +19 47 03.4   21.5R 59358     568  Cb7527      
2000 01  10.55028  08 31 34.88   +19 47 04.1   21.5R 59358     568  Cb7527      
2000 04  04.29125  08 25 03.46   +20 13 43.2   22.5R 59358     568  Cb7527      
2000 04  04.36747  08 25 03.38   +20 13 43.6   22.5R 59358     568  Cb7527      
2000 04  05.31890  08 25 02.38   +20 13 48.7   22.4R 59358     568  Cb7527      
2001 03  11.05378  08 34 34.48   +20 00 53.5   22.3  59358     304  Ce8576      
2001 03  11.08451  08 34 34.36   +20 00 53.9         59358     304  Ce8576      
2002 02  03.55052  08 46 08.24   +19 37 31.2   21.4R 59358     568  Cf1464      
2002 02  04.47753  08 46 02.72   +19 37 55.5         59358     568  Cf1464      
2002 02  06.46449  08 45 50.93   +19 38 47.2         59358     568  Cf1464      
2003 03  27.30386  08 50 25.99   +19 43 20.5   23.0R 59358     568  Ch7807      
2003 03  27.31896  08 50 25.95   +19 43 20.7   22.1R 59358     568  Ch7807      
2003 03  27.33799  08 50 25.90   +19 43 21.0   21.7R 59358     568  Ch7807      
2004 12  20.47439  09 14 46.88   +18 37 11.1   22.4V 59358     645  cv2367      
2005 01  19.42504  09 12 26.60   +18 50 28.9   22.4V 59358     645  cv2367      
2008 12  15.05930  09 46 16.34   +17 25 04.3   22.8R 59358     250  S~06FY      
2008 12  15.06624  09 46 16.33   +17 25 04.5         59358     250  S~06FY      
2008 12  15.07249  09 46 16.32   +17 25 04.6         59358     250  S~06FY      
2008 12  15.12805  09 46 16.20   +17 25 05.7         59358     250  S~06FZ      

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    -0.09       0.00     0.83
  2   0.0001      0.00    -0.24       0.00    -0.25
  3   0.0163      0.00     0.20       0.00    -0.26
  4   0.0165      0.00     0.02       0.00    -0.27
  5   0.0714      0.00    -0.19       0.00    -0.73
  6   0.0714      0.00    -0.31       0.00    -0.58
  7   0.1533      0.00    -0.13       0.00    -0.15
  8   0.1561      0.00    -0.15       0.00    -0.02
  9   0.9124      0.00     0.25       0.00     0.78
 10   0.9124      0.00     0.16       0.00     0.80
 11   1.1444      0.00     0.25       0.00    -0.27
 12   1.1447      0.00     0.42       0.00    -0.28
 13   1.1473      0.00     0.27       0.00    -0.31
 14   2.0774      0.00     0.10       0.00     0.79
 15   2.0775      0.00     0.17       0.00     0.69
 16   2.9795      0.00    -0.05       0.00    -0.44
 17   2.9821      0.00    -0.02       0.00    -0.47
 18   2.9875      0.00     0.23       0.00    -0.51
 19   4.1205      0.00    -0.01       0.00     0.67
 20   4.1206      0.00     0.03       0.00     0.70
 21   4.1206      0.00     0.10       0.00     0.79
 22   5.8568      0.00    -0.13       0.00     0.03
 23   5.9388      0.00    -0.11       0.00     0.00
 24   9.8420      0.00    -0.23       0.00    -0.17
 25   9.8420      0.00    -0.16       0.00    -0.11
 26   9.8420      0.00    -0.12       0.00    -0.14
 27   9.8422      0.00    -0.16       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.

59358    quality flag:2

Type:       SCATNEAR  SCATNEAR  CENTAURR

axisobj        41.558    41.558    41.557
ecceobj         0.211     0.211     0.211
incobj         10.028    10.028    10.028
qmin           32.329    32.262    29.248
qmax           51.457    52.136    55.777
amean          41.644    41.821    41.276
amin           41.039    41.156    37.171
amax           42.492    42.523    43.585
emean           0.183     0.167     0.221
emin            0.168     0.133     0.164
emax            0.225     0.230     0.283
imean           8.192     8.337     8.704
imin            6.121     5.911     6.219
imax            9.326     9.846    11.668
excite_mean     0.232     0.223     0.269
fracstop        1.000     1.000     0.720
cjmean          3.008     3.015     2.986

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       178.4     181.1     181.1
kozaiamp        180.0     180.0     180.0