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: 15BG568 # Created Sat Apr 20 01:17:03 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 78 observations of 78 # Arc: 9.89y # First observation: 2014/02/27 # Last observation: 2024/01/20 # Chi-squared of fit: 39.06 DOF: 150 RMS: 0.13 # Min/Max residuals: -0.42 0.42 # Exact a, adot, b, bdot, g, gdot: 1.663439E-05 2.927542E-02 9.249986E-06 1.636451E-02 2.676881E-02 -4.568191E-03 # Covariance matrix: 1.3130E-13 -5.5832E-14 3.8265E-14 -2.4535E-14 -2.6346E-14 -1.4755E-13 -5.5832E-14 3.6768E-14 -2.6734E-14 1.7520E-14 -5.1958E-15 1.0590E-13 3.8265E-14 -2.6734E-14 7.1243E-14 -2.4035E-14 9.5639E-16 -8.4584E-14 -2.4535E-14 1.7520E-14 -2.4035E-14 1.2338E-14 -1.5784E-15 5.5344E-14 -2.6346E-14 -5.1958E-15 9.5639E-16 -1.5784E-15 5.9460E-14 -1.0857E-14 -1.4755E-13 1.0590E-13 -8.4584E-14 5.5344E-14 -1.0857E-14 3.3440E-13 # lat0 lon0 xBary yBary zBary JD0 -23.708592 124.595851 -0.553068 -0.329297 -0.750118 2456715.920008 # Heliocentric elements and errors Epoch: 2456716.5000 = 2014/02/28 Mean Anomaly: 355.47167 +/- 0.001 Argument of Peri: 337.92755 +/- 0.003 Long of Asc Node: 160.33480 +/- 0.000 Inclination: 36.89470 +/- 0.000 Eccentricity: 0.55755165 +/- 0.0000 Semi-Major Axis: 84.47281480 +/- 0.0092 Time of Perihelion: 2460283.5490 +/- 45.7 Perihelion: 37.37485762 +/- 0.0055 Aphelion: 131.57077199 +/- 0.0148 Period (y) 776.3966 +/- 0.13 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -20.34285721 +/- 0.0002 Ecliptic Y 28.51824597 +/- 0.0003 Ecliptic Z -15.02034478 +/- 0.0001 Ecliptic XDOT -0.00260976 +/- 0.0000 Ecliptic YDOT -0.00150119 +/- 0.0000 Ecliptic ZDOT 0.00172046 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 38.11482181 +/- 0.0002 Geocenter to KBO 37.35704952 +/- 0.0003 # Hcoef: 6.67
The following table shows the complete astrometric record for 15BG568. 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 (15BG568) followed by the observatory code and reference code for the source of the astrometry.
2014 02 27.41923 08 05 37.618 -03 57 44.25 21.5G 15BG568 F51 C~3471 2014 04 05.25466 08 04 19.493 -03 29 04.47 22.2G 15BG568 F51 C~3471 2014 11 23.62543 08 19 48.689 -03 49 57.48 23.0G 15BG568 F51 C~3471 2015 01 23.38908 08 15 48.253 -03 46 33.25 22.5G 15BG568 F51 C~3471 2015 01 23.40235 08 15 48.186 -03 46 32.95 21.8G 15BG568 F51 C~3471 2015 01 23.41579 08 15 48.123 -03 46 32.54 22.0G 15BG568 F51 C~3471 2015 01 23.42912 08 15 48.059 -03 46 32.21 22.4G 15BG568 F51 C~3471 2015 01 25.37306 08 15 38.143 -03 45 40.66 21.8G 15BG568 F51 C~3471 2015 01 25.39918 08 15 38.020 -03 45 40.13 21.4G 15BG568 F51 C~3471 2015 02 19.35285 08 13 38.085 -03 31 22.84 22.1G 15BG568 F51 C~3471 2015 02 19.36571 08 13 38.032 -03 31 22.33 22.4G 15BG568 F51 C~3471 2015 02 19.37853 08 13 37.981 -03 31 21.77 22.2G 15BG568 F51 C~3471 2015 02 19.39135 08 13 37.918 -03 31 21.21 22.5G 15BG568 F51 C~3471 2015 02 20.36703 08 13 33.733 -03 30 41.45 22.0G 15BG568 F51 C~3471 2015 02 20.37989 08 13 33.665 -03 30 41.03 21.8G 15BG568 F51 C~3471 2015 12 07.58528 08 26 42.965 -03 20 36.42 22.5G 15BG568 F51 C~3471 2015 12 07.59697 08 26 42.946 -03 20 36.67 22.9G 15BG568 F51 C~3471 2015 12 07.60868 08 26 42.910 -03 20 36.57 22.2G 15BG568 F51 C~3471 2015 12 07.62037 08 26 42.860 -03 20 36.55 22.6G 15BG568 F51 C~3471 2015 12 08.54523 08 26 40.165 -03 20 44.42 22.6G 15BG568 F51 C~3471 2015 12 08.55772 08 26 40.133 -03 20 44.83 21.6G 15BG568 F51 C~3471 2016 01 11.47217 08 24 21.035 -03 18 10.35 22.4G 15BG568 F51 C~3471 2016 01 11.48063 08 24 20.988 -03 18 10.12 22.1G 15BG568 F51 C~3471 2016 01 11.48385 08 24 20.968 -03 18 10.12 22.7G 15BG568 F51 C~3471 2016 01 11.49231 08 24 20.936 -03 18 09.80 22.3G 15BG568 F51 C~3471 2016 01 11.49553 08 24 20.909 -03 18 09.77 22.1G 15BG568 F51 C~3471 2016 01 11.50397 08 24 20.867 -03 18 09.63 22.0G 15BG568 F51 C~3471 2016 01 11.50722 08 24 20.863 -03 18 09.51 22.1G 15BG568 F51 C~3471 2016 01 12.43468 08 24 16.280 -03 17 53.37 22.5G 15BG568 F51 C~3471 2016 01 12.44660 08 24 16.208 -03 17 53.20 22.0G 15BG568 F51 C~3471 2016 01 12.45853 08 24 16.170 -03 17 52.96 22.4G 15BG568 F51 C~3471 2016 01 12.47049 08 24 16.118 -03 17 52.73 22.1G 15BG568 F51 C~3471 2016 03 02.31396 08 20 20.833 -02 50 24.24 22.6G 15BG568 F51 C~3471 2016 03 02.32652 08 20 20.783 -02 50 23.89 22.4G 15BG568 F51 C~3471 2016 03 02.33906 08 20 20.736 -02 50 23.10 22.1G 15BG568 F51 C~3471 2016 03 02.35158 08 20 20.684 -02 50 22.75 22.1G 15BG568 F51 C~3471 2016 03 06.26118 08 20 06.831 -02 47 28.06 22.4G 15BG568 F51 C~3471 2016 03 06.28629 08 20 06.750 -02 47 27.01 22.1G 15BG568 F51 C~3471 2016 03 10.24280 08 19 53.900 -02 44 26.98 23.0G 15BG568 F51 C~3471 2016 03 10.26746 08 19 53.819 -02 44 25.83 23.0G 15BG568 F51 C~3471 2016 04 11.24649 08 19 01.865 -02 19 57.37 23.0G 15BG568 F51 C~3471 2016 04 11.25892 08 19 01.870 -02 19 57.18 21.8G 15BG568 F51 C~3471 2016 04 11.27159 08 19 01.870 -02 19 56.66 22.5G 15BG568 F51 C~3471 2016 04 11.28408 08 19 01.884 -02 19 56.06 22.8G 15BG568 F51 C~3471 2016 11 07.60850 08 34 51.017 -02 39 26.82 22.6G 15BG568 F51 C~3471 2016 11 07.61857 08 34 51.007 -02 39 26.74 23.0G 15BG568 F51 C~3471 2016 11 07.62867 08 34 51.038 -02 39 27.43 22.2G 15BG568 F51 C~3471 2016 11 07.63879 08 34 51.018 -02 39 27.90 22.6G 15BG568 F51 C~3471 2017 01 31.36859 08 30 10.583 -02 36 38.41 22.0G 15BG568 F51 C~3471 2017 01 31.38088 08 30 10.521 -02 36 38.11 21.8G 15BG568 F51 C~3471 2017 01 31.39313 08 30 10.448 -02 36 37.66 22.2G 15BG568 F51 C~3471 2017 01 31.40541 08 30 10.371 -02 36 37.11 23.1G 15BG568 F51 C~3471 2017 10 31.63347 08 42 11.270 -02 03 33.16 22.7G 15BG568 F51 C~3471 2017 11 24.61544 08 42 08.124 -02 12 12.15 22.3G 15BG568 F51 C~3471 2017 11 24.62460 08 42 08.082 -02 12 12.51 22.7G 15BG568 F51 C~3471 2017 11 24.63377 08 42 08.074 -02 12 12.68 22.3G 15BG568 F51 C~3471 2017 11 24.64291 08 42 08.057 -02 12 13.03 23.9G 15BG568 F51 C~3471 2018 01 14.43941 08 39 12.896 -02 10 30.28 22.4G 15BG568 F51 C~3471 2018 01 14.45191 08 39 12.830 -02 10 30.29 22.6G 15BG568 F51 C~3471 2018 01 14.46457 08 39 12.777 -02 10 29.85 21.9G 15BG568 F51 C~3471 2018 01 14.47706 08 39 12.716 -02 10 29.71 22.3G 15BG568 F51 C~3471 2018 01 15.42287 08 39 08.069 -02 10 10.30 22.3G 15BG568 F51 C~3471 2018 01 15.43516 08 39 08.009 -02 10 10.01 22.3G 15BG568 F51 C~3471 2018 01 15.44746 08 39 07.937 -02 10 09.73 22.3G 15BG568 F51 C~3471 2018 01 15.45976 08 39 07.884 -02 10 09.58 22.4G 15BG568 F51 C~3471 2020 01 29.44088 08 53 16.291 -00 56 31.55 22.0w 15BG568 F51 C~3cr1 2020 01 29.45313 08 53 16.232 -00 56 31.20 22.2w 15BG568 F51 C~3cr1 2020 01 29.46547 08 53 16.172 -00 56 30.88 22.1w 15BG568 F51 C~3cr1 2020 12 10.58366 09 04 14.980 -00 33 47.03 22.1w 15BG568 F51 C~4NvL 2020 12 10.59653 09 04 14.955 -00 33 47.16 22.3w 15BG568 F51 C~4NvL 2020 12 10.60941 09 04 14.929 -00 33 46.83 22.4w 15BG568 F51 C~4NvL 2020 12 10.62230 09 04 14.893 -00 33 46.96 22.1w 15BG568 F51 C~4NvL 2022 03 02.135820 09 06 01.654 +00 32 08.64 22.3G 15BG568 G37 C~5S4o 2022 03 02.174170 09 06 01.478 +00 32 09.92 15BG568 G37 C~5S4o 2022 03 02.214410 09 06 01.298 +00 32 11.69 15BG568 G37 C~5S4o 2024 01 20.503346 09 24 45.832 +01 17 02.53 22.4w 15BG568 F52 C~7grl 2024 01 20.515892 09 24 45.786 +01 17 02.92 22.0w 15BG568 F52 C~7grl 2024 01 20.540922 09 24 45.668 +01 17 03.40 21.9w 15BG568 F52 C~7grl
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 0.15 0.00 0.05
2 0.1008 0.00 0.12 0.00 -0.08
3 0.7370 0.00 -0.12 0.00 0.19
4 0.9034 0.00 -0.12 0.00 -0.01
5 0.9034 0.00 -0.09 0.00 -0.05
6 0.9035 0.00 0.01 0.00 0.02
7 0.9035 0.00 0.09 0.00 0.00
8 0.9088 0.00 -0.08 0.00 0.27
9 0.9089 0.00 0.11 0.00 0.10
10 0.9772 0.00 -0.03 0.00 -0.04
11 0.9773 0.00 0.03 0.00 -0.05
12 0.9773 0.00 0.11 0.00 -0.01
13 0.9773 0.00 0.01 0.00 0.03
14 0.9800 0.00 0.01 0.00 -0.08
15 0.9800 0.00 -0.17 0.00 -0.19
16 1.7746 0.00 -0.05 0.00 -0.06
17 1.7746 0.00 0.19 0.00 -0.21
18 1.7746 0.00 0.17 0.00 -0.01
19 1.7747 0.00 -0.06 0.00 0.11
20 1.7772 0.00 -0.08 0.00 -0.11
21 1.7772 0.00 0.01 0.00 -0.42
22 1.8701 0.00 0.03 0.00 -0.12
23 1.8701 0.00 -0.03 0.00 -0.03
24 1.8701 0.00 -0.09 0.00 -0.09
25 1.8702 0.00 0.06 0.00 0.09
26 1.8702 0.00 -0.10 0.00 0.06
27 1.8702 0.00 -0.09 0.00 0.06
28 1.8702 0.00 0.09 0.00 0.12
29 1.8727 0.00 -0.11 0.00 -0.04
30 1.8728 0.00 -0.29 0.00 -0.08
31 1.8728 0.00 0.05 0.00 -0.05
32 1.8728 0.00 0.17 0.00 -0.04
33 2.0093 0.00 -0.03 0.00 0.09
34 2.0093 0.00 -0.06 0.00 -0.11
35 2.0094 0.00 -0.06 0.00 0.12
36 2.0094 0.00 -0.13 0.00 -0.08
37 2.0201 0.00 0.04 0.00 -0.03
38 2.0202 0.00 0.14 0.00 -0.11
39 2.0310 0.00 0.04 0.00 0.02
40 2.0311 0.00 0.00 0.00 0.04
41 2.1186 0.00 -0.20 0.00 0.30
42 2.1187 0.00 -0.10 0.00 -0.05
43 2.1187 0.00 -0.08 0.00 -0.09
44 2.1187 0.00 0.16 0.00 -0.04
45 2.6946 0.00 -0.05 0.00 0.09
46 2.6946 0.00 -0.21 0.00 0.42
47 2.6946 0.00 0.24 0.00 -0.02
48 2.6946 0.00 -0.07 0.00 -0.23
49 2.9266 0.00 0.12 0.00 0.10
50 2.9267 0.00 0.14 0.00 0.02
51 2.9267 0.00 -0.01 0.00 0.09
52 2.9267 0.00 -0.21 0.00 0.26
53 3.6748 0.00 0.14 0.00 0.09
54 3.7404 0.00 0.29 0.00 0.29
55 3.7405 0.00 -0.14 0.00 0.07
56 3.7405 0.00 -0.06 0.00 0.04
57 3.7405 0.00 -0.11 0.00 -0.18
58 3.8796 0.00 -0.10 0.00 0.14
59 3.8796 0.00 -0.15 0.00 -0.12
60 3.8797 0.00 0.00 0.00 0.06
61 3.8797 0.00 0.02 0.00 -0.05
62 3.8823 0.00 0.03 0.00 -0.00
63 3.8823 0.00 0.05 0.00 0.03
64 3.8823 0.00 -0.10 0.00 0.05
65 3.8824 0.00 0.03 0.00 -0.05
66 5.9193 0.00 -0.04 0.00 0.07
67 5.9193 0.00 0.02 0.00 0.05
68 5.9194 0.00 0.07 0.00 0.01
69 6.7848 0.00 -0.02 0.00 -0.17
70 6.7849 0.00 0.08 0.00 -0.26
71 6.7849 0.00 0.16 0.00 0.10
72 6.7850 0.00 0.10 0.00 0.00
73 8.0074 0.00 0.13 0.00 0.06
74 8.0075 0.00 0.03 0.00 -0.28
75 8.0077 0.00 0.00 0.00 -0.21
76 9.8948 0.00 -0.20 0.00 0.11
77 9.8949 0.00 0.00 0.00 0.17
78 9.8949 0.00 0.01 0.00 0.01
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.
15BG568 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 83.980 83.979 83.980 ecceobj 0.554 0.554 0.554 incobj 36.950 36.950 36.950 qmin 35.253 35.175 35.209 qmax 133.518 133.335 134.307 amean 82.948 82.845 83.234 amin 81.672 81.586 81.912 amax 84.768 84.691 85.164 emean 0.556 0.556 0.558 emin 0.538 0.538 0.542 emax 0.575 0.575 0.577 imean 35.548 35.486 35.524 imin 34.757 34.705 34.775 imax 36.547 36.538 36.347 excite_mean 0.804 0.804 0.806 fracstop 1.000 1.000 1.000 cjmean 2.608 2.608 2.608 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 100.6 103.7 118.3 kozaiamp 180.0 180.0 180.0