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: 03HX56 # Created Sun Dec 22 02:08:28 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 26 observations of 26 # Arc: 16.11y # First observation: 2003/04/26 # Last observation: 2019/06/06 # Chi-squared of fit: 55.89 DOF: 46 RMS: 0.26 # Min/Max residuals: -0.56 0.68 # Exact a, adot, b, bdot, g, gdot: 1.257789E-05 1.813211E-02 6.680770E-06 1.024608E-02 2.246217E-02 4.585339E-03 # Covariance matrix: 1.3211E-13 -4.5316E-14 2.1548E-14 -2.0903E-14 2.3454E-14 -1.3391E-13 -4.5316E-14 4.1281E-14 -2.2911E-14 2.2297E-14 2.2368E-14 1.4232E-13 2.1548E-14 -2.2911E-14 1.0213E-13 -2.0457E-14 -1.5721E-14 -8.2812E-14 -2.0903E-14 2.2297E-14 -2.0457E-14 1.4467E-14 1.5732E-14 8.0618E-14 2.3454E-14 2.2368E-14 -1.5721E-14 1.5732E-14 2.9998E-13 9.7300E-14 -1.3391E-13 1.4232E-13 -8.2812E-14 8.0618E-14 9.7300E-14 5.1439E-13 # lat0 lon0 xBary yBary zBary JD0 -0.621394 -163.961887 -0.342230 -0.010273 -0.947030 2452755.824823 # Heliocentric elements and errors Epoch: 2452756.5000 = 2003/04/27 Mean Anomaly: 66.65414 +/- 0.014 Argument of Peri: 266.08869 +/- 0.018 Long of Asc Node: 197.53913 +/- 0.000 Inclination: 29.49657 +/- 0.000 Eccentricity: 0.22752463 +/- 0.0000 Semi-Major Axis: 47.44130960 +/- 0.0048 Time of Perihelion: 2430658.2396 +/- 5.6 Perihelion: 36.64724299 +/- 0.0041 Aphelion: 58.23537620 +/- 0.0061 Period (y) 326.7708 +/- 0.05 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -43.60165624 +/- 0.0010 Ecliptic Y -12.88576606 +/- 0.0003 Ecliptic Z -0.48250225 +/- 0.0000 Ecliptic XDOT 0.00005430 +/- 0.0000 Ecliptic YDOT -0.00228712 +/- 0.0000 Ecliptic ZDOT 0.00124292 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 45.46830338 +/- 0.0010 Geocenter to KBO 44.51919436 +/- 0.0011 # Hcoef: 7.08
The following table shows the complete astrometric record for 03HX56. 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 (03HX56) followed by the observatory code and reference code for the source of the astrometry.
2003 04 26.32408 12 58 08.22 -06 52 58.4 23.1R 03HX56 568 Cq9882 2003 04 26.36628 12 58 08.04 -06 52 57.1 23.1R 03HX56 568 Cq9882 2003 04 26.40867 12 58 07.87 -06 52 55.8 23.2R 03HX56 568 Cq9882 2003 04 27.37556 12 58 04.14 -06 52 26.8 23.4R 03HX56 568 Cq9882 2003 05 30.28314 12 56 22.53 -06 38 11.7 23.8R 03HX56 568 Cq9882 2003 05 30.33633 12 56 22.41 -06 38 10.7 23.8R 03HX56 568 Cq9882 2003 05 30.38312 12 56 22.31 -06 38 09.7 23.1R 03HX56 568 Cq9882 2004 03 20.56947 13 05 19.98 -07 03 12.9 03HX56 568 Cq9882 2004 03 29.52117 13 04 44.00 -06 58 36.4 03HX56 568 Cq9882 2004 03 29.54418 13 04 43.92 -06 58 35.5 03HX56 568 Cq9882 2004 03 29.57266 13 04 43.83 -06 58 34.2 03HX56 568 Cq9882 2004 05 24.18365 13 01 19.10 -06 31 45.6 03HX56 695 Cq9882 2004 05 24.23346 13 01 18.93 -06 31 44.0 03HX56 695 Cq9882 2004 05 24.28582 13 01 18.86 -06 31 43.2 03HX56 695 Cq9882 2005 07 08.17266 13 05 12.14 -06 14 26.1 03HX56 568 Cq9882 2005 08 01.99056 13 05 51.65 -06 16 23.7 03HX56 309 Cq9882 2005 08 02.98817 13 05 54.17 -06 16 34.4 03HX56 309 Cq9882 2005 08 02.99335 13 05 54.22 -06 16 34.5 03HX56 309 Cq9882 2008 05 05.18310 13 20 51.73 -06 05 07.9 03HX56 695 Cz0402 2008 05 05.25555 13 20 51.46 -06 05 05.3 03HX56 695 Cz0402 2008 05 05.35060 13 20 51.10 -06 05 03.3 03HX56 695 Cz0402 2018 03 18.46707 14 07 15.160 -04 55 54.00 24.1r 03HX56 568 2018 03 18.57216 14 07 14.840 -04 55 51.20 23.7r 03HX56 568 2018 03 18.62133 14 07 14.680 -04 55 50.00 23.4r 03HX56 568 2019 06 06.188550 14 06 35.400 -04 14 46.66 24.1G 03HX56 G37 C~36jC 2019 06 06.274240 14 06 35.162 -04 14 45.65 03HX56 G37 C~36jC
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 0.08 0.00 0.09
2 0.0001 0.00 -0.13 0.00 0.10
3 0.0002 0.00 -0.18 0.00 0.10
4 0.0029 0.00 -0.45 0.00 -0.33
5 0.0930 0.00 0.18 0.00 -0.07
6 0.0931 0.00 0.16 0.00 -0.15
7 0.0932 0.00 0.21 0.00 -0.10
8 0.9014 0.00 0.06 0.00 -0.29
9 0.9259 0.00 -0.39 0.00 -0.28
10 0.9260 0.00 -0.15 0.00 -0.11
11 0.9261 0.00 0.27 0.00 0.30
12 1.0783 0.00 0.24 0.00 -0.07
13 1.0785 0.00 -0.33 0.00 0.43
14 1.0786 0.00 0.68 0.00 0.07
15 2.2008 0.00 -0.56 0.00 0.56
16 2.2688 0.00 0.20 0.00 0.14
17 2.2715 0.00 -0.31 0.00 0.10
18 2.2715 0.00 0.24 0.00 0.06
19 5.0263 0.00 0.02 0.00 -0.44
20 5.0265 0.00 0.06 0.00 0.22
21 5.0268 0.00 0.02 0.00 -0.33
22 14.8943 0.00 -0.24 0.00 0.37
23 14.8946 0.00 -0.10 0.00 0.26
24 14.8947 0.00 -0.19 0.00 0.10
25 16.1119 0.00 -0.06 0.00 0.08
26 16.1121 0.00 0.04 0.00 -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.
03HX56 quality flag:2 Type: SCATEXTD SCATEXTD SCATNEAR axisobj 47.008 47.008 47.008 ecceobj 0.225 0.225 0.225 incobj 29.622 29.622 29.622 qmin 36.122 36.120 36.123 qmax 58.906 58.862 58.952 amean 47.297 47.297 47.297 amin 46.868 46.864 46.872 amax 47.809 47.777 47.819 emean 0.215 0.215 0.215 emin 0.195 0.196 0.195 emax 0.234 0.233 0.234 imean 29.933 29.933 29.932 imin 29.453 29.454 29.457 imax 30.374 30.378 30.382 excite_mean 0.543 0.543 0.543 fracstop 1.000 1.000 1.000 cjmean 2.758 2.758 2.758 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 185.8 186.0 185.8 kozaiamp 180.0 179.9 180.0