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: 544977 # Created Sun Dec 22 02:07:34 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 73 observations of 73 # Arc: 8.02y # First observation: 2014/01/20 # Last observation: 2022/01/26 # Chi-squared of fit: 57.76 DOF: 140 RMS: 0.16 # Min/Max residuals: -0.49 0.54 # Exact a, adot, b, bdot, g, gdot: 1.483109E-05 2.217732E-02 -2.859512E-07 -4.747965E-04 2.379520E-02 -1.106811E-03 # 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 -20.088438 127.947955 0.133562 -0.333893 -0.913319 2456677.967028 # Heliocentric elements and errors Epoch: 2456678.5000 = 2014/01/21 Mean Anomaly: 230.63330 +/- 0.000 Argument of Peri: 41.80182 +/- 0.000 Long of Asc Node: 221.47134 +/- 0.000 Inclination: 19.67975 +/- 0.000 Eccentricity: 0.07082193 +/- 0.0000 Semi-Major Axis: 40.98629783 +/- 0.0000 Time of Perihelion: 2491119.5571 +/- 0.0 Perihelion: 38.08356912 +/- 0.0000 Aphelion: 43.88902654 +/- 0.0000 Period (y) 262.4015 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -24.76531088 +/- 0.0000 Ecliptic Y 31.97456640 +/- 0.0000 Ecliptic Z -14.43446565 +/- 0.0000 Ecliptic XDOT -0.00193309 +/- 0.0000 Ecliptic YDOT -0.00168082 +/- 0.0000 Ecliptic ZDOT -0.00000743 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 42.94240452 +/- 0.0000 Geocenter to KBO 42.02535260 +/- 0.0000 # Hcoef: 6.24
The following table shows the complete astrometric record for 544977. 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 (544977) followed by the observatory code and reference code for the source of the astrometry.
2014 01 20.46625 08 21 08.606 -01 10 36.07 22.7G 544977 F51 C~346t 2014 11 23.60538 08 29 32.284 -01 26 53.17 22.4G 544977 F51 C~346t 2014 11 23.61679 08 29 32.280 -01 26 53.34 22.3G 544977 F51 C~346t 2014 11 23.62821 08 29 32.247 -01 26 53.65 22.3G 544977 F51 C~346t 2014 11 23.63961 08 29 32.239 -01 26 53.59 22.2G 544977 F51 C~346t 2015 01 25.37594 08 25 41.780 -01 29 45.92 22.3G 544977 F51 C~346t 2015 01 25.38900 08 25 41.691 -01 29 45.53 22.6G 544977 F51 C~346t 2015 01 25.40205 08 25 41.651 -01 29 45.36 22.8G 544977 F51 C~346t 2015 01 25.41513 08 25 41.592 -01 29 45.19 22.3G 544977 F51 C~346t 2015 02 19.36105 08 23 47.945 -01 20 44.52 22.1G 544977 F51 C~346t 2015 02 19.37388 08 23 47.880 -01 20 44.21 22.5G 544977 F51 C~346t 2015 02 19.38667 08 23 47.823 -01 20 43.97 22.1G 544977 F51 C~346t 2015 02 19.39951 08 23 47.772 -01 20 43.40 22.1G 544977 F51 C~346t 2015 02 20.36902 08 23 43.723 -01 20 17.51 21.7G 544977 F51 C~346t 2015 02 20.38188 08 23 43.679 -01 20 16.99 22.4G 544977 F51 C~346t 2015 02 20.39479 08 23 43.649 -01 20 17.14 22.6G 544977 F51 C~346t 2015 02 20.40769 08 23 43.557 -01 20 16.81 22.1G 544977 F51 C~346t 2015 12 07.58722 08 33 55.233 -01 50 59.46 23.0G 544977 F51 C~346t 2015 12 07.59891 08 33 55.208 -01 50 59.58 23.4G 544977 F51 C~346t 2015 12 07.61062 08 33 55.128 -01 50 59.81 22.7G 544977 F51 C~346t 2016 01 11.47281 08 31 44.033 -01 52 53.48 22.5G 544977 F51 C~346t 2016 01 11.48450 08 31 43.977 -01 52 53.19 22.0G 544977 F51 C~346t 2016 01 11.49618 08 31 43.934 -01 52 53.06 22.3G 544977 F51 C~346t 2016 01 11.50786 08 31 43.880 -01 52 53.08 22.2G 544977 F51 C~346t 2016 01 12.43662 08 31 39.630 -01 52 45.69 22.2G 544977 F51 C~346t 2016 01 12.44854 08 31 39.588 -01 52 45.78 22.3G 544977 F51 C~346t 2016 01 12.47242 08 31 39.484 -01 52 44.90 22.8G 544977 F51 C~346t 2016 02 02.42404 08 30 00.847 -01 47 48.20 22.5G 544977 F51 C~346t 2016 02 02.43570 08 30 00.787 -01 47 48.02 22.2G 544977 F51 C~346t 2016 02 02.44728 08 30 00.733 -01 47 47.75 22.4G 544977 F51 C~346t 2016 02 11.32974 08 29 19.654 -01 44 33.97 22.2G 544977 F51 C~346t 2016 02 11.34295 08 29 19.599 -01 44 33.67 22.4G 544977 F51 C~346t 2016 02 11.35553 08 29 19.539 -01 44 33.64 22.4G 544977 F51 C~346t 2016 02 11.36810 08 29 19.482 -01 44 33.21 22.3G 544977 F51 C~346t 2016 02 25.39303 08 28 19.729 -01 38 24.84 22.6G 544977 F51 C~346u 2016 03 02.31396 08 27 57.256 -01 35 31.94 22.2G 544977 F51 C~346u 2016 03 02.32652 08 27 57.208 -01 35 31.56 22.5G 544977 F51 C~346u 2016 03 02.33906 08 27 57.176 -01 35 31.12 22.1G 544977 F51 C~346u 2016 03 02.35158 08 27 57.123 -01 35 30.93 22.7G 544977 F51 C~346u 2016 03 06.26118 08 27 43.427 -01 33 32.55 22.6G 544977 F51 C~346u 2016 03 06.27375 08 27 43.384 -01 33 32.16 22.9G 544977 F51 C~346u 2016 03 06.28629 08 27 43.333 -01 33 32.06 22.7G 544977 F51 C~346u 2016 03 06.29887 08 27 43.294 -01 33 31.43 23.0G 544977 F51 C~346u 2016 03 10.24602 08 27 30.465 -01 31 29.51 22.9G 544977 F51 C~346u 2016 03 10.25836 08 27 30.428 -01 31 29.20 22.2G 544977 F51 C~346u 2016 03 10.27069 08 27 30.381 -01 31 28.72 22.8G 544977 F51 C~346u 2016 03 10.28303 08 27 30.348 -01 31 28.27 22.6G 544977 F51 C~346u 2016 03 10.28367 08 27 30.343 -01 31 28.26 22.9G 544977 F51 C~346u 2016 11 07.60850 08 39 28.295 -02 00 16.80 22.6G 544977 F51 C~346u 2017 01 31.36989 08 35 03.532 -02 08 36.62 22.6G 544977 F51 C~346u 2017 01 31.38217 08 35 03.479 -02 08 36.47 22.8G 544977 F51 C~346u 2017 01 31.39443 08 35 03.416 -02 08 36.01 22.2G 544977 F51 C~346u 2017 01 31.40670 08 35 03.359 -02 08 35.97 22.5G 544977 F51 C~346u 2017 03 06.27602 08 32 39.37 -01 53 58.5 22.3i 544977 T09 C~7d7v 2017 03 06.28956 08 32 39.31 -01 53 57.8 22.5i 544977 T09 C~7d7v 2017 03 06.34209 08 32 39.14 -01 53 56.1 21.9i 544977 T09 C~7d7v 2017 03 13.33487 08 32 16.506 -01 50 17.10 22.7G 544977 F51 C~346u 2017 10 31.63347 08 44 16.395 -02 16 26.65 22.8G 544977 F51 C~346u 2017 12 10.55444 08 43 34.325 -02 32 03.03 22.6G 544977 F51 C~346u 2018 01 07.49933 08 41 52.392 -02 33 54.66 22.8G 544977 F51 C~346u 2018 01 14.43941 08 41 21.334 -02 33 05.21 22.3G 544977 F51 C~346u 2018 01 14.45191 08 41 21.280 -02 33 05.16 22.0G 544977 F51 C~346u 2018 01 14.46457 08 41 21.218 -02 33 05.15 22.0G 544977 F51 C~346u 2018 01 14.47706 08 41 21.175 -02 33 05.22 21.9G 544977 F51 C~346u 2020 01 29.44088 08 50 09.067 -03 10 27.14 22.5w 544977 F51 C~3cpP 2020 01 29.45313 08 50 09.027 -03 10 27.02 22.2w 544977 F51 C~3cpP 2020 01 29.46547 08 50 08.961 -03 10 26.80 22.5w 544977 F51 C~3cpP 2021 02 17.352691 08 53 36.390 -03 23 22.82 22.1w 544977 F51 C~4fO3 2021 02 17.364878 08 53 36.335 -03 23 22.53 22.0w 544977 F51 C~4fO3 2021 02 17.377084 08 53 36.280 -03 23 22.19 22.0w 544977 F51 C~4fO3 2022 01 26.399666 09 00 19.961 -03 51 31.18 21.9w 544977 F52 C~5Pjm 2022 01 26.425205 09 00 19.857 -03 51 30.63 22.2w 544977 F52 C~5Pjm 2022 01 26.437972 09 00 19.790 -03 51 30.30 22.1w 544977 F52 C~5Pjm
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 -0.02 0.00 -0.00
2 0.8409 0.00 -0.04 0.00 -0.07
3 0.8409 0.00 0.19 0.00 -0.00
4 0.8410 0.00 -0.01 0.00 -0.07
5 0.8410 0.00 0.17 0.00 0.23
6 1.0128 0.00 0.01 0.00 -0.15
7 1.0128 0.00 -0.37 0.00 0.03
8 1.0128 0.00 -0.03 0.00 -0.01
9 1.0129 0.00 0.04 0.00 -0.04
10 1.0812 0.00 0.13 0.00 0.04
11 1.0812 0.00 -0.03 0.00 0.01
12 1.0812 0.00 -0.06 0.00 -0.09
13 1.0813 0.00 -0.01 0.00 0.13
14 1.0839 0.00 -0.34 0.00 0.06
15 1.0840 0.00 -0.19 0.00 0.23
16 1.0840 0.00 0.18 0.00 -0.27
17 1.0840 0.00 -0.39 0.00 -0.28
18 1.8785 0.00 0.11 0.00 0.12
19 1.8785 0.00 0.22 0.00 0.17
20 1.8786 0.00 -0.49 0.00 0.10
21 1.9740 0.00 -0.04 0.00 -0.13
22 1.9740 0.00 -0.06 0.00 0.07
23 1.9741 0.00 0.10 0.00 0.11
24 1.9741 0.00 0.11 0.00 0.01
25 1.9766 0.00 -0.09 0.00 0.04
26 1.9767 0.00 0.11 0.00 -0.14
27 1.9767 0.00 0.22 0.00 0.54
28 2.0341 0.00 0.07 0.00 -0.03
29 2.0341 0.00 0.01 0.00 -0.08
30 2.0342 0.00 0.03 0.00 -0.04
31 2.0585 0.00 -0.04 0.00 0.15
32 2.0585 0.00 0.04 0.00 0.14
33 2.0586 0.00 0.01 0.00 -0.13
34 2.0586 0.00 0.02 0.00 0.01
35 2.0970 0.00 0.13 0.00 -0.03
36 2.1132 0.00 -0.07 0.00 -0.02
37 2.1132 0.00 -0.09 0.00 -0.01
38 2.1133 0.00 0.12 0.00 0.05
39 2.1133 0.00 0.03 0.00 -0.13
40 2.1240 0.00 0.11 0.00 -0.03
41 2.1240 0.00 0.12 0.00 -0.03
42 2.1241 0.00 0.00 0.00 -0.31
43 2.1241 0.00 0.07 0.00 -0.06
44 2.1349 0.00 0.03 0.00 -0.10
45 2.1350 0.00 0.06 0.00 -0.17
46 2.1350 0.00 -0.05 0.00 -0.08
47 2.1350 0.00 0.04 0.00 -0.01
48 2.1350 0.00 -0.00 0.00 -0.02
49 2.7985 0.00 0.18 0.00 0.05
50 3.0305 0.00 -0.11 0.00 -0.01
51 3.0306 0.00 -0.01 0.00 -0.10
52 3.0306 0.00 -0.08 0.00 0.13
53 3.0306 0.00 -0.04 0.00 -0.07
54 3.1234 0.00 0.19 0.00 0.11
55 3.1234 0.00 0.01 0.00 0.40
56 3.1235 0.00 0.26 0.00 0.48
57 3.1427 0.00 -0.11 0.00 0.34
58 3.7787 0.00 0.15 0.00 0.14
59 3.8880 0.00 -0.48 0.00 -0.04
60 3.9645 0.00 -0.10 0.00 -0.17
61 3.9835 0.00 -0.15 0.00 -0.09
62 3.9835 0.00 -0.09 0.00 -0.16
63 3.9836 0.00 -0.13 0.00 -0.27
64 3.9836 0.00 0.09 0.00 -0.45
65 6.0232 0.00 -0.16 0.00 0.15
66 6.0232 0.00 0.13 0.00 0.05
67 6.0233 0.00 0.03 0.00 0.06
68 7.0770 0.00 0.00 0.00 0.04
69 7.0771 0.00 0.01 0.00 0.01
70 7.0771 0.00 0.02 0.00 0.02
71 8.0162 0.00 -0.11 0.00 -0.20
72 8.0163 0.00 0.16 0.00 -0.05
73 8.0163 0.00 0.07 0.00 0.09
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.
544977 quality flag:3 Type: SCATEXTD SCATEXTD SCATEXTD axisobj 40.857 40.857 40.857 ecceobj 0.072 0.072 0.072 incobj 19.658 19.658 19.658 qmin 37.067 37.065 37.068 qmax 44.750 44.749 44.750 amean 40.808 40.808 40.808 amin 40.490 40.494 40.488 amax 41.145 41.144 41.145 emean 0.075 0.075 0.075 emin 0.061 0.061 0.061 emax 0.088 0.088 0.088 imean 20.797 20.797 20.797 imin 20.216 20.218 20.216 imax 21.410 21.408 21.411 excite_mean 0.363 0.363 0.363 fracstop 1.000 1.000 1.000 cjmean 2.908 2.908 2.908 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 184.1 184.2 184.1 kozaiamp 180.0 180.0 180.0