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: 672844 # Created Sun Dec 22 02:07:52 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 102 observations of 102 # Arc: 9.40y # First observation: 2014/09/23 # Last observation: 2024/02/15 # Chi-squared of fit: 125.46 DOF: 198 RMS: 0.20 # Min/Max residuals: -0.74 0.81 # Exact a, adot, b, bdot, g, gdot: 2.056590E-05 7.361994E-02 -3.143623E-06 -2.244637E-02 5.381281E-02 -2.905331E-02 # 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 -24.715555 77.350714 0.980506 -0.093703 -0.203889 2456924.133048 # Heliocentric elements and errors Epoch: 2456924.5000 = 2014/09/24 Mean Anomaly: 309.16213 +/- 0.000 Argument of Peri: 333.64847 +/- 0.000 Long of Asc Node: 203.21736 +/- 0.000 Inclination: 30.31305 +/- 0.000 Eccentricity: 0.41525385 +/- 0.0000 Semi-Major Axis: 21.29929040 +/- 0.0000 Time of Perihelion: 2461994.7682 +/- 0.0 Perihelion: 12.45467816 +/- 0.0000 Aphelion: 30.14390264 +/- 0.0000 Period (y) 98.3005 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 4.69962319 +/- 0.0000 Ecliptic Y 16.47656129 +/- 0.0000 Ecliptic Z -7.76983666 +/- 0.0000 Ecliptic XDOT -0.00405793 +/- 0.0000 Ecliptic YDOT -0.00096042 +/- 0.0000 Ecliptic ZDOT -0.00041925 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 18.81331002 +/- 0.0000 Geocenter to KBO 18.58312258 +/- 0.0000 # Hcoef: 9.90
The following table shows the complete astrometric record for 672844. 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 (672844) followed by the observatory code and reference code for the source of the astrometry.
2014 09 23.63227 05 14 04.902 -01 46 44.17 22.4G 672844 F51 C~346r 2014 10 03.53845 05 13 56.940 -02 01 37.57 20.7G 672844 F51 C~346r 2014 11 22.52822 05 08 38.063 -03 05 03.74 22.3G 672844 F51 C~346r 2014 11 22.54046 05 08 37.951 -03 05 04.23 21.8G 672844 F51 C~346r 2014 11 22.55267 05 08 37.843 -03 05 04.70 21.9G 672844 F51 C~346r 2014 12 15.37660 05 04 41.726 -03 18 27.50 22.3G 672844 F51 C~346r 2014 12 15.38887 05 04 41.572 -03 18 27.85 22.7G 672844 F51 C~346r 2014 12 15.40114 05 04 41.387 -03 18 27.61 22.4G 672844 F51 C~346r 2014 12 15.41339 05 04 41.308 -03 18 28.20 23.1G 672844 F51 C~346r 2015 01 08.37006 05 00 47.979 -03 17 54.53 22.9G 672844 F51 C~346r 2015 01 08.38301 05 00 47.833 -03 17 54.23 21.7G 672844 F51 C~346r 2015 01 08.39546 05 00 47.723 -03 17 53.94 22.1G 672844 F51 C~346r 2015 01 08.40799 05 00 47.637 -03 17 54.00 21.9G 672844 F51 C~346r 2015 01 12.34458 05 00 14.865 -03 16 23.95 22.8G 672844 F51 C~346r 2015 01 12.35911 05 00 14.737 -03 16 23.38 22.3G 672844 F51 C~346r 2015 01 12.38688 05 00 14.515 -03 16 22.81 22.8G 672844 F51 C~346r 2015 01 15.27879 04 59 51.849 -03 15 02.18 22.7G 672844 F51 C~346r 2015 01 15.29232 04 59 51.740 -03 15 01.86 22.3G 672844 F51 C~346r 2015 01 15.30584 04 59 51.636 -03 15 01.45 22.5G 672844 F51 C~346s 2015 01 15.31937 04 59 51.525 -03 15 01.00 22.4G 672844 F51 C~346s 2015 01 16.26960 04 59 44.352 -03 14 32.09 22.8G 672844 F51 C~346s 2015 01 16.28412 04 59 44.252 -03 14 31.43 22.0G 672844 F51 C~346s 2015 01 16.29859 04 59 44.140 -03 14 31.05 22.7G 672844 F51 C~346s 2015 01 16.31310 04 59 44.020 -03 14 30.55 22.0G 672844 F51 C~346s 2015 09 22.57409 05 31 53.560 -02 40 53.03 22.0G 672844 F51 C~346s 2015 09 22.58381 05 31 53.586 -02 40 53.86 21.9G 672844 F51 C~346s 2015 09 22.59356 05 31 53.628 -02 40 54.63 22.6G 672844 F51 C~346s 2015 09 22.60329 05 31 53.619 -02 40 55.71 22.4G 672844 F51 C~346s 2015 09 23.57984 05 31 55.030 -02 42 29.06 22.9G 672844 F51 C~346s 2015 09 23.58049 05 31 55.043 -02 42 29.11 22.6G 672844 F51 C~346s 2015 09 23.59150 05 31 55.049 -02 42 29.98 22.3G 672844 F51 C~346s 2015 09 23.59214 05 31 55.055 -02 42 30.05 22.3G 672844 F51 C~346s 2015 09 23.60316 05 31 55.087 -02 42 31.05 22.3G 672844 F51 C~346s 2015 09 23.60381 05 31 55.075 -02 42 31.36 22.4G 672844 F51 C~346s 2015 09 23.61484 05 31 55.092 -02 42 32.41 22.5G 672844 F51 C~346s 2015 09 23.61549 05 31 55.065 -02 42 32.49 22.9G 672844 F51 C~346s 2015 09 24.57858 05 31 56.272 -02 44 04.49 22.4G 672844 F51 C~346s 2015 09 24.59028 05 31 56.253 -02 44 05.16 22.3G 672844 F51 C~346s 2015 09 24.60194 05 31 56.303 -02 44 06.73 22.2G 672844 F51 C~346s 2015 09 24.61292 05 31 56.313 -02 44 08.08 22.8G 672844 F51 C~346s 2015 09 24.61357 05 31 56.297 -02 44 07.99 23.4G 672844 F51 C~346s 2015 10 26.48494 05 30 41.751 -03 33 42.87 22.4G 672844 F51 C~346s 2015 11 16.54590 05 28 04.855 -04 00 27.22 22.2G 672844 F51 C~346s 2015 11 16.55763 05 28 04.731 -04 00 27.61 22.9G 672844 F51 C~346s 2015 11 23.52337 05 26 58.960 -04 07 22.32 22.7G 672844 F51 C~346s 2015 11 30.45662 05 25 48.862 -04 13 05.74 23.1G 672844 F51 C~346s 2015 12 06.39823 05 24 46.119 -04 17 00.75 22.0G 672844 F51 C~346s 2015 12 06.41113 05 24 45.961 -04 17 01.20 22.2G 672844 F51 C~346s 2015 12 06.42403 05 24 45.831 -04 17 02.15 22.8G 672844 F51 C~346s 2015 12 06.43689 05 24 45.701 -04 17 02.13 22.6G 672844 F51 C~346s 2015 12 13.47446 05 23 29.637 -04 20 25.09 21.9G 672844 F51 C~346s 2015 12 13.48754 05 23 29.476 -04 20 25.33 22.4G 672844 F51 C~346s 2015 12 13.50062 05 23 29.345 -04 20 26.05 22.7G 672844 F51 C~346s 2015 12 13.51370 05 23 29.196 -04 20 25.95 22.3G 672844 F51 C~346s 2015 12 14.45049 05 23 18.999 -04 20 45.92 23.2G 672844 F51 C~346s 2015 12 14.46237 05 23 18.889 -04 20 46.97 22.5G 672844 F51 C~346s 2016 01 09.37629 05 18 51.417 -04 20 24.84 22.6G 672844 F51 C~346s 2016 01 09.38812 05 18 51.298 -04 20 24.67 22.3G 672844 F51 C~346s 2016 01 09.39994 05 18 51.183 -04 20 24.40 22.4G 672844 F51 C~346s 2016 01 09.41179 05 18 51.085 -04 20 23.99 672844 F51 C~346s 2016 01 11.35178 05 18 33.373 -04 19 37.34 21.6G 672844 F51 C~346s 2016 01 11.36440 05 18 33.243 -04 19 37.10 22.6G 672844 F51 C~346s 2016 01 11.37697 05 18 33.121 -04 19 36.57 22.6G 672844 F51 C~346s 2016 01 11.38956 05 18 33.005 -04 19 36.37 23.0G 672844 F51 C~346s 2016 01 12.27396 05 18 25.096 -04 19 13.11 22.4G 672844 F51 C~346s 2016 01 12.31493 05 18 24.682 -04 19 12.43 22.8G 672844 F51 C~346s 2016 01 30.32147 05 16 09.575 -04 07 09.94 22.9G 672844 F51 C~346s 2016 01 30.33478 05 16 09.503 -04 07 09.33 22.7G 672844 F51 C~346s 2016 01 30.34807 05 16 09.439 -04 07 08.57 22.6G 672844 F51 C~346s 2016 01 30.36139 05 16 09.361 -04 07 07.58 23.9G 672844 F51 C~346s 2016 02 12.23072 05 15 09.493 -03 54 28.05 22.3G 672844 F51 C~346s 2016 02 12.24256 05 15 09.467 -03 54 27.14 22.8G 672844 F51 C~346s 2016 02 12.25452 05 15 09.412 -03 54 26.46 22.8G 672844 F51 C~346s 2016 02 12.26642 05 15 09.374 -03 54 25.52 22.0G 672844 F51 C~346s 2016 03 02.23797 05 14 46.977 -03 31 41.70 22.4G 672844 F51 C~346s 2016 03 02.25193 05 14 47.007 -03 31 40.82 22.1G 672844 F51 C~346s 2016 03 02.26583 05 14 47.026 -03 31 40.32 21.5G 672844 F51 C~346s 2016 03 02.27973 05 14 47.036 -03 31 38.84 22.7G 672844 F51 C~346s 2016 10 14.59855 05 50 58.383 -04 18 00.88 22.7G 672844 F51 C~346s 2016 12 23.42499 05 41 19.618 -05 29 17.68 23.3G 672844 F51 C~346s 2016 12 23.43593 05 41 19.498 -05 29 17.84 22.3G 672844 F51 C~346s 2016 12 23.44691 05 41 19.380 -05 29 17.77 22.3G 672844 F51 C~346s 2016 12 23.45786 05 41 19.258 -05 29 17.93 21.9G 672844 F51 C~346s 2017 12 23.36215 06 02 44.289 -06 38 51.22 22.0G 672844 F51 C~346s 2017 12 23.37384 06 02 44.154 -06 38 51.34 22.3G 672844 F51 C~346s 2017 12 23.38554 06 02 44.024 -06 38 51.44 22.2G 672844 F51 C~346s 2017 12 23.39727 06 02 43.887 -06 38 51.38 22.1G 672844 F51 C~346s 2018 01 12.37959 05 59 00.840 -06 35 10.67 22.1G 672844 F51 C~346s 2018 01 12.39223 05 59 00.700 -06 35 09.90 22.6G 672844 F51 C~346s 2018 01 12.40492 05 59 00.552 -06 35 09.79 21.8G 672844 F51 C~346s 2018 01 12.41762 05 59 00.430 -06 35 09.21 22.4G 672844 F51 C~346s 2018 01 22.35660 05 57 22.551 -06 28 40.48 21.6G 672844 F51 C~346s 2023 12 07.463670 08 56 36.604 -13 07 49.59 21.3G 672844 G37 C~7dJD 2023 12 07.501800 08 56 36.442 -13 07 52.96 672844 G37 C~7dJD 2024 02 15.342488 08 44 27.927 -13 04 30.23 20.9w 672844 F52 C~7mxr 2024 02 15.343134 08 44 27.921 -13 04 30.14 20.7w 672844 F52 C~7mxr 2024 02 15.351582 08 44 27.815 -13 04 29.34 20.9w 672844 F52 C~7mxr 2024 02 15.352229 08 44 27.810 -13 04 29.56 20.6w 672844 F52 C~7mxr 2024 02 15.360692 08 44 27.699 -13 04 28.69 21.0w 672844 F52 C~7mxr 2024 02 15.361339 08 44 27.697 -13 04 28.46 20.7w 672844 F52 C~7mxr 2024 02 15.369819 08 44 27.591 -13 04 27.99 21.1w 672844 F52 C~7mxr 2024 02 15.370465 08 44 27.579 -13 04 27.58 20.8w 672844 F52 C~7mxr
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 0.28 0.00 -0.69
2 0.0271 0.00 0.06 0.00 -0.51
3 0.1640 0.00 -0.12 0.00 -0.23
4 0.1640 0.00 0.04 0.00 -0.08
5 0.1641 0.00 0.26 0.00 0.08
6 0.2265 0.00 0.42 0.00 -0.02
7 0.2266 0.00 0.08 0.00 -0.15
8 0.2266 0.00 -0.74 0.00 0.30
9 0.2266 0.00 0.04 0.00 -0.07
10 0.2922 0.00 0.18 0.00 0.00
11 0.2923 0.00 -0.31 0.00 0.05
12 0.2923 0.00 -0.32 0.00 0.09
13 0.2923 0.00 0.04 0.00 -0.22
14 0.3031 0.00 0.09 0.00 -0.15
15 0.3032 0.00 -0.03 0.00 0.05
16 0.3032 0.00 0.08 0.00 -0.10
17 0.3111 0.00 0.04 0.00 0.10
18 0.3112 0.00 -0.00 0.00 0.02
19 0.3112 0.00 0.02 0.00 0.03
20 0.3113 0.00 -0.06 0.00 0.07
21 0.3139 0.00 -0.17 0.00 -0.05
22 0.3139 0.00 -0.00 0.00 0.16
23 0.3139 0.00 -0.02 0.00 0.08
24 0.3140 0.00 -0.15 0.00 0.13
25 0.9964 0.00 -0.38 0.00 -0.21
26 0.9964 0.00 -0.19 0.00 -0.11
27 0.9965 0.00 0.24 0.00 0.05
28 0.9965 0.00 -0.10 0.00 -0.10
29 0.9992 0.00 -0.19 0.00 -0.10
30 0.9992 0.00 -0.01 0.00 -0.09
31 0.9992 0.00 -0.11 0.00 0.10
32 0.9992 0.00 -0.03 0.00 0.09
33 0.9992 0.00 0.26 0.00 0.14
34 0.9992 0.00 0.07 0.00 -0.10
35 0.9993 0.00 0.13 0.00 -0.10
36 0.9993 0.00 -0.29 0.00 -0.11
37 1.0019 0.00 0.00 0.00 0.10
38 1.0019 0.00 -0.45 0.00 0.55
39 1.0020 0.00 0.14 0.00 0.10
40 1.0020 0.00 0.13 0.00 -0.20
41 1.0020 0.00 -0.12 0.00 -0.05
42 1.0893 0.00 -0.15 0.00 0.10
43 1.1469 0.00 0.19 0.00 -0.25
44 1.1470 0.00 -0.04 0.00 0.12
45 1.1660 0.00 0.02 0.00 0.02
46 1.1850 0.00 0.31 0.00 -0.01
47 1.2013 0.00 0.07 0.00 0.05
48 1.2013 0.00 -0.20 0.00 0.05
49 1.2013 0.00 -0.04 0.00 -0.45
50 1.2014 0.00 0.12 0.00 0.01
51 1.2206 0.00 0.17 0.00 0.08
52 1.2207 0.00 -0.08 0.00 0.14
53 1.2207 0.00 0.13 0.00 -0.28
54 1.2208 0.00 0.06 0.00 0.12
55 1.2233 0.00 -0.38 0.00 0.81
56 1.2234 0.00 -0.06 0.00 0.01
57 1.2943 0.00 0.17 0.00 0.02
58 1.2943 0.00 0.07 0.00 -0.08
59 1.2944 0.00 0.02 0.00 -0.07
60 1.2944 0.00 0.23 0.00 0.07
61 1.2997 0.00 0.42 0.00 0.01
62 1.2997 0.00 0.22 0.00 -0.07
63 1.2998 0.00 0.13 0.00 0.14
64 1.2998 0.00 0.13 0.00 0.01
65 1.3022 0.00 -0.02 0.00 -0.05
66 1.3023 0.00 -0.64 0.00 -0.47
67 1.3516 0.00 -0.16 0.00 0.12
68 1.3517 0.00 -0.01 0.00 0.03
69 1.3517 0.00 0.25 0.00 0.10
70 1.3518 0.00 0.31 0.00 0.40
71 1.3870 0.00 -0.06 0.00 -0.11
72 1.3870 0.00 0.17 0.00 0.02
73 1.3871 0.00 -0.03 0.00 -0.08
74 1.3871 0.00 0.02 0.00 0.08
75 1.4390 0.00 -0.48 0.00 0.32
76 1.4391 0.00 -0.19 0.00 0.13
77 1.4391 0.00 -0.07 0.00 -0.44
78 1.4391 0.00 -0.09 0.00 -0.02
79 2.0588 0.00 0.37 0.00 0.14
80 2.2499 0.00 -0.07 0.00 0.09
81 2.2500 0.00 -0.01 0.00 -0.00
82 2.2500 0.00 0.09 0.00 0.13
83 2.2500 0.00 0.12 0.00 0.03
84 3.2491 0.00 -0.03 0.00 -0.01
85 3.2491 0.00 0.00 0.00 -0.03
86 3.2492 0.00 0.11 0.00 -0.03
87 3.2492 0.00 0.13 0.00 0.13
88 3.3039 0.00 0.13 0.00 -0.14
89 3.3039 0.00 0.05 0.00 0.25
90 3.3040 0.00 -0.14 0.00 -0.02
91 3.3040 0.00 0.07 0.00 0.17
92 3.3312 0.00 -0.18 0.00 0.37
93 9.2042 0.00 -0.08 0.00 -0.06
94 9.2043 0.00 0.02 0.00 -0.11
95 9.3955 0.00 -0.01 0.00 0.05
96 9.3955 0.00 0.02 0.00 0.08
97 9.3955 0.00 -0.00 0.00 0.09
98 9.3955 0.00 0.04 0.00 -0.19
99 9.3956 0.00 -0.05 0.00 -0.12
100 9.3956 0.00 0.04 0.00 0.05
101 9.3956 0.00 0.03 0.00 -0.28
102 9.3956 0.00 -0.03 0.00 0.07
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.
672844 quality flag:3 Type: CENTAURR CENTAURR CENTAURR axisobj 21.286 21.286 21.286 ecceobj 0.411 0.411 0.411 incobj 30.217 30.217 30.217 qmin 12.444 12.443 11.613 qmax 30.196 30.195 30.383 amean 21.113 21.153 20.831 amin 21.000 20.986 20.372 amax 21.327 21.494 21.327 emean 0.406 0.400 0.416 emin 0.401 0.388 0.387 emax 0.416 0.416 0.436 imean 30.930 31.048 30.021 imin 30.406 30.406 28.779 imax 31.282 31.430 31.464 excite_mean 0.655 0.653 0.651 fracstop 0.002 0.003 0.012 cjmean 2.749 2.749 2.762 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 344.1 347.0 106.7 kozaiamp 10.3 12.1 179.6