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: 13SU100 # Created Tue Apr 23 01:14:59 2024 # Orbit generated from Bernstein formalism # Fitting 37 observations of 37 # Arc: 4.07y # First observation: 2013/08/05 # Last observation: 2017/08/30 Preliminary a, adot, b, bdot, g, gdot: -0.000098 0.018915 0.000014 0.003191 0.022060 0.000000 # Chi-squared of fit: 20.69 DOF: 68 RMS: 0.13 # Min/Max residuals: -0.84 0.29 # Exact a, adot, b, bdot, g, gdot: 1.363569E-05 1.913216E-02 2.884497E-06 3.239917E-03 2.225843E-02 4.737110E-03 # Covariance matrix: 1.1360E-13 -4.1458E-14 1.0468E-15 -2.1765E-15 6.1736E-14 -1.6691E-13 -4.1458E-14 1.8146E-13 -9.2510E-15 2.8860E-14 7.9797E-14 2.3649E-12 1.0468E-15 -9.2510E-15 6.4732E-14 -2.7571E-14 -4.6313E-15 -1.4181E-13 -2.1765E-15 2.8860E-14 -2.7571E-14 3.2777E-14 1.6037E-14 4.4406E-13 6.1736E-14 7.9797E-14 -4.6313E-15 1.6037E-14 1.4323E-13 1.3309E-12 -1.6691E-13 2.3649E-12 -1.4181E-13 4.4406E-13 1.3309E-12 3.6405E-11 # lat0 lon0 xBary yBary zBary JD0 -1.613099 13.192371 0.882389 -0.014168 -0.504054 2456509.990038 # Heliocentric elements and errors Epoch: 2456500.5000 = 2013/07/27 Mean Anomaly: 96.50065 +/- 0.056 Argument of Peri: 229.54863 +/- 0.041 Long of Asc Node: 21.49470 +/- 0.000 Inclination: 9.66166 +/- 0.000 Eccentricity: 0.22783786 +/- 0.0002 Semi-Major Axis: 42.31892250 +/- 0.0056 Time of Perihelion: 2429546.1985 +/- 14.8 Perihelion: 32.67706996 +/- 0.0104 Aphelion: 51.96077504 +/- 0.0117 Period (y) 275.3025 +/- 0.05 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 44.41592597 +/- 0.0007 Ecliptic Y 9.50826732 +/- 0.0002 Ecliptic Z -1.26452221 +/- 0.0000 Ecliptic XDOT 0.00003470 +/- 0.0000 Ecliptic YDOT 0.00242584 +/- 0.0000 Ecliptic ZDOT 0.00038210 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 45.43985743 +/- 0.0007 Geocenter to KBO 44.92679184 +/- 0.0008 # Hcoef: 7.60
The following table shows the complete astrometric record for 13SU100. 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 (13SU100) followed by the observatory code and reference code for the source of the astrometry.
2013 08 05.48926 00 51 03.836 +03 43 19.71 24.3r 13SU100 568 C~2NKM 2013 08 05.53771 00 51 03.751 +03 43 19.25 24.3r 13SU100 568 C~2NKM 2013 08 08.46817 00 50 58.297 +03 42 44.95 24.1r 13SU100 568 C~2NKM 2013 08 08.50699 00 50 58.159 +03 42 44.04 22.5r 13SU100 568 C~2NKM 2013 08 31.55306 00 49 55.818 +03 36 17.79 23.4r 13SU100 568 C~2NKM 2013 09 01.43879 00 49 52.844 +03 35 59.40 24.1r 13SU100 568 C~2NKM 2013 09 01.47776 00 49 52.691 +03 35 58.69 24.1r 13SU100 568 C~2NKM 2013 09 05.41829 00 49 38.898 +03 34 34.19 23.9r 13SU100 568 C~2NKM 2013 09 05.45710 00 49 38.758 +03 34 33.48 24.6r 13SU100 568 C~2NKM 2013 09 29.34928 00 48 03.505 +03 25 02.48 24.1r 13SU100 568 C~2NKM 2013 09 29.38812 00 48 03.330 +03 25 01.50 24.1r 13SU100 568 C~2NKM 2013 09 29.43193 00 48 03.136 +03 25 00.36 23.9r 13SU100 568 C~2NKM 2013 10 02.42297 00 47 50.396 +03 23 45.16 24.1r 13SU100 568 C~2NKM 2013 10 04.51453 00 47 41.428 +03 22 52.71 23.9r 13SU100 568 C~2NKM 2013 10 04.52297 00 47 41.398 +03 22 52.50 24.2r 13SU100 568 C~2NKN 2013 10 04.52783 00 47 41.366 +03 22 52.42 24.2r 13SU100 568 C~2NKN 2013 11 27.27517 00 44 26.604 +03 05 00.56 24.2r 13SU100 568 C~2NKN 2013 11 27.32692 00 44 26.484 +03 04 59.88 23.8r 13SU100 568 C~2NKN 2013 12 05.33035 00 44 10.339 +03 03 49.30 24.1r 13SU100 568 C~2NKN 2013 12 06.19916 00 44 08.901 +03 03 43.45 24.0r 13SU100 568 C~2NKN 2014 06 25.58886 00 54 52.276 +04 19 20.42 24.1r 13SU100 568 C~2NKN 2014 06 26.58771 00 54 53.764 +04 19 29.76 24.0r 13SU100 568 C~2NKN 2014 07 23.56365 00 55 04.148 +04 20 32.25 24.0r 13SU100 568 C~2NKN 2014 07 27.54407 00 55 00.818 +04 20 11.27 25.1r 13SU100 568 C~2NKN 2014 08 23.62686 00 54 07.540 +04 14 44.10 24.3r 13SU100 568 C~2NKN 2014 08 28.45428 00 53 53.075 +04 13 15.88 24.5r 13SU100 568 C~2NKN 2014 10 23.29554 00 50 10.939 +03 51 28.32 24.0r 13SU100 568 C~2NKN 2014 10 27.26220 00 49 54.972 +03 49 58.11 24.3r 13SU100 568 C~2NKN 2014 11 24.25164 00 48 20.778 +03 41 32.33 24.2r 13SU100 568 C~2NKN 2014 11 25.24784 00 48 18.234 +03 41 19.73 24.3r 13SU100 568 C~2NKN 2015 01 18.23045 00 47 55.190 +03 42 21.98 24.5r 13SU100 568 C~2NKN 2015 08 20.52724 00 58 00.610 +04 51 00.68 24.2r 13SU100 568 C~2NKN 2015 12 07.36547 00 51 36.685 +04 14 48.34 25.1w 13SU100 568 C~2NKN 2017 07 17.61600 01 06 05.567 +06 04 23.91 13SU100 568 C~2NKN 2017 07 23.61854 01 06 04.159 +06 04 19.17 13SU100 568 C~2NKN 2017 08 30.45058 01 04 54.207 +05 57 41.10 24.6w 13SU100 568 C~2NKN 2017 08 30.49734 01 04 54.054 +05 57 40.40 24.6w 13SU100 568 C~2NKN
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 -0.01 0.00 -0.12
2 0.0001 -1.35 0.07 0.07 -0.07
3 0.0082 -89.90 0.15 0.14 0.12
4 0.0083 -92.16 -0.84 0.11 0.07
5 0.0714 -1102.13 -0.01 6.48 0.03
6 0.0738 -1150.30 0.22 6.83 -0.11
7 0.0739 -1152.69 0.02 7.06 0.09
8 0.0847 -1375.80 0.04 9.41 -0.26
9 0.0848 -1378.00 0.13 9.57 -0.15
10 0.1502 -2914.12 0.13 37.74 -0.00
11 0.1503 -2916.91 0.03 37.85 0.03
12 0.1504 -2920.03 -0.05 37.93 0.02
13 0.1586 -3125.07 0.08 42.83 -0.09
14 0.1643 -3269.21 -0.03 46.74 0.07
15 0.1644 -3269.71 0.06 46.72 0.03
16 0.1644 -3270.18 -0.07 46.83 0.14
17 0.3115 -6375.89 0.02 195.15 0.06
18 0.3117 -6377.81 0.02 195.22 -0.08
19 0.3336 -6628.27 -0.09 224.48 0.06
20 0.3360 -6650.41 0.08 227.49 -0.10
21 0.8873 3988.92 0.05 667.13 0.02
22 0.8901 4013.07 0.13 667.12 0.11
23 0.9639 4180.53 0.08 664.64 0.04
24 0.9748 4126.47 0.00 664.57 -0.01
25 1.0490 3264.74 -0.07 671.39 0.29
26 1.0622 3031.02 0.04 673.85 0.03
27 1.2151 -539.94 -0.12 757.65 0.12
28 1.2259 -795.19 -0.05 767.33 -0.02
29 1.3026 -2290.90 -0.06 849.21 -0.05
30 1.3053 -2330.89 0.06 852.41 -0.12
31 1.4531 -2624.52 -0.03 1043.92 -0.10
32 2.0398 7323.18 0.03 1331.75 0.03
33 2.3378 1185.90 0.01 1549.97 -0.05
34 3.9483 15728.84 0.08 2616.53 0.10
35 3.9648 15707.50 -0.01 2620.19 -0.03
36 4.0683 14585.01 -0.03 2651.91 -0.13
37 4.0685 14582.63 -0.06 2652.13 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.
13SU100 quality flag:3 Type: 5:3EE 5:3EE 5:3EE axisobj 42.538 42.554 42.522 ecceobj 0.228 0.228 0.227 incobj 9.636 9.636 9.636 qmin 31.607 31.565 31.686 qmax 53.565 53.633 53.614 amean 42.327 42.327 42.327 amin 41.896 41.889 41.874 amax 42.839 42.856 42.854 emean 0.230 0.230 0.229 emin 0.210 0.209 0.209 emax 0.252 0.253 0.251 imean 9.725 9.737 9.756 imin 8.807 8.779 8.944 imax 10.292 10.353 10.249 excite_mean 0.285 0.286 0.285 fracstop 1.000 1.000 1.000 cjmean 2.986 2.986 2.986 libcent 0 179.3 178.9 179.1 libamp 0 66.0 65.8 63.7 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 184.4 184.9 183.5 kozaiamp 180.0 180.0 180.0