The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory.
# Object: 03QW113
# Created Fri May 2 02:36:52 2008
# Orbit generated from Bernstein formalism
# Fitting 16 observations of 16
# Arc: 3.10y
# First observation: 2003/06/23
# Last observation: 2006/07/30
Preliminary a, adot, b, bdot, g, gdot:
-0.000334 0.028782 0.000041 -0.003391 0.027011 0.000000
# Chi-squared of fit: 18.28 DOF: 26 RMS: 0.19
# Min/Max residuals: -0.30 0.40
# Exact a, adot, b, bdot, g, gdot:
1.717710E-05 2.746803E-02 -2.522057E-06 -3.225398E-03 2.659437E-02 -1.235918E-02
# Covariance matrix:
4.5817E-13 -2.7432E-13 -9.6064E-15 2.2871E-14 3.4508E-13 -2.2265E-12
-2.7432E-13 7.5080E-13 2.7894E-14 -9.1367E-14 1.3078E-13 8.8903E-12
-9.6064E-15 2.7894E-14 2.1276E-13 -8.9621E-14 1.3580E-15 3.5658E-13
2.2871E-14 -9.1367E-14 -8.9621E-14 7.1334E-14 -2.1208E-14 -1.1766E-12
3.4508E-13 1.3078E-13 1.3580E-15 -2.1208E-14 7.6702E-13 2.0615E-12
-2.2265E-12 8.8903E-12 3.5658E-13 -1.1766E-12 2.0615E-12 1.1449E-10
# lat0 lon0 xBary yBary zBary JD0
1.605017 -31.556996 0.853016 0.015679 -0.559856 2452814.014743
# Heliocentric elements and errors
Epoch: 2452810.5000 = 2003/06/20
Mean Anomaly: 324.79083 +/- 0.027
Argument of Peri: 254.53644 +/- 0.015
Long of Asc Node: 160.28027 +/- 0.001
Inclination: 6.93639 +/- 0.000
Eccentricity: 0.48506148 +/- 0.0004
Semi-Major Axis: 50.86317660 +/- 0.0246
Time of Perihelion: 2465769.0670 +/- 3.3
Perihelion: 26.19140886 +/- 0.0236
Aphelion: 75.53494434 +/- 0.0416
Period (y) 362.7550 +/- 0.26
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 32.05749633 +/- 0.0010
Ecliptic Y -20.68659760 +/- 0.0007
Ecliptic Z 1.05314201 +/- 0.0000
Ecliptic XDOT 0.00039830 +/- 0.0000
Ecliptic YDOT 0.00306508 +/- 0.0000
Ecliptic ZDOT -0.00036737 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 38.16709970 +/- 0.0009
Geocenter to KBO 37.60194924 +/- 0.0012
# Hcoef: 7.65
The following table shows the complete astrometric record for 03QW113. 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 (03QW113) followed by the observatory code and reference code for the source of the astrometry.
2003 06 23.51400 22 00 08.05 -10 30 33.6 23.8i 03QW113 568 Cq9889 2003 06 23.56540 22 00 07.95 -10 30 34.3 23.4i 03QW113 568 Cq9889 2003 06 23.61406 22 00 07.85 -10 30 34.8 23.5i 03QW113 568 Cq9889 2003 08 31.32283 21 55 20.38 -10 57 23.6 23.6g 03QW113 568 Cq9889 2003 08 31.35679 21 55 20.21 -10 57 24.7 23.4g 03QW113 568 Cq9889 2003 08 31.38376 21 55 20.06 -10 57 25.4 23.0g 03QW113 568 Cq9889 2004 08 12.40035 22 03 13.74 -10 26 17.6 23.1r 03QW113 568 Cq9889 2004 08 12.43057 22 03 13.60 -10 26 18.0 23.2r 03QW113 568 Cq9889 2004 08 12.46510 22 03 13.44 -10 26 19.1 22.9r 03QW113 568 Cq9889 2005 07 08.57313 22 12 15.51 -09 48 13.0 22.5r 03QW113 568 Cq9889 2005 07 08.60678 22 12 15.41 -09 48 13.7 22.7r 03QW113 568 Cq9889 2005 07 09.53811 22 12 12.36 -09 48 31.2 22.5r 03QW113 568 Cq9889 2006 07 30.31276 22 17 33.013 -09 31 37.13 22.2R 03QW113 500 2006 07 30.36765 22 17 32.764 -09 31 38.62 03QW113 500 2006 07 30.37204 22 17 32.744 -09 31 38.73 03QW113 500 2006 07 30.37644 22 17 32.723 -09 31 38.85 03QW113 500
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 -0.17 0.00 0.12 2 0.0001 -1.63 0.07 -0.15 -0.06 3 0.0003 -3.18 0.28 -0.11 -0.06 4 0.1884 -4535.31 -0.02 -58.56 -0.19 5 0.1885 -4538.04 -0.08 -58.74 -0.30 6 0.1886 -4540.36 -0.27 -58.64 -0.16 7 1.1386 2658.58 -0.10 -707.22 0.01 8 1.1387 2656.51 0.24 -706.87 0.38 9 1.1388 2653.91 0.40 -707.09 0.21 10 2.0426 10962.34 -0.24 -1370.92 0.26 11 2.0427 10960.70 -0.10 -1371.05 0.13 12 2.0452 10912.21 -0.17 -1371.48 0.28 13 3.1014 15725.19 0.08 -2111.12 -0.16 14 3.1016 15721.20 0.03 -2111.19 -0.16 15 3.1016 15720.88 0.03 -2111.19 -0.15 16 3.1016 15720.54 0.01 -2111.19 -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.
03QW113 quality flag:3 Type: CENTAURR CENTAURR CENTAURR axisobj 51.436 51.436 51.437 ecceobj 0.488 0.488 0.488 incobj 6.907 6.907 6.907 qmin 26.052 26.052 26.052 qmax 76.525 76.524 76.526 amean 50.961 50.961 50.961 amin 50.541 50.541 50.541 amax 51.436 51.436 51.437 emean 0.483 0.483 0.483 emin 0.478 0.478 0.478 emax 0.488 0.488 0.488 imean 6.102 6.102 6.102 imin 6.081 6.081 6.081 imax 6.122 6.122 6.122 fracstop 0.001 0.001 0.001 cjmean 2.859 2.859 2.859 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 254.5 254.5 254.5 kozaiamp 1.0 1.0 1.0