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: 495297
# Created Fri Apr 19 01:08:06 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 83 observations of 83
# Arc: 20.11y
# First observation: 2000/09/04
# Last observation: 2020/10/15
# Chi-squared of fit: 57.56 DOF: 160 RMS: 0.15
# Min/Max residuals: -0.47 0.47
# Exact a, adot, b, bdot, g, gdot:
1.897352E-05 3.388608E-02 -1.038000E-06 -2.823756E-03 2.837118E-02 -3.198820E-04
# 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
0.645751 -22.443639 -0.074559 0.011100 -1.001634 2451791.890593
# Heliocentric elements and errors
Epoch: 2451792.5000 = 2000/09/05
Mean Anomaly: 358.87541 +/- 0.000
Argument of Peri: 174.78736 +/- 0.000
Long of Asc Node: 165.18493 +/- 0.000
Inclination: 4.79883 +/- 0.000
Eccentricity: 0.32105943 +/- 0.0000
Semi-Major Axis: 53.38470568 +/- 0.0000
Time of Perihelion: 2452237.5562 +/- 0.0
Perihelion: 36.24504277 +/- 0.0000
Aphelion: 70.52436860 +/- 0.0000
Period (y) 390.0619 +/- 0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 33.53529438 +/- 0.0000
Ecliptic Y -13.76408133 +/- 0.0000
Ecliptic Z 0.39722030 +/- 0.0000
Ecliptic XDOT 0.00121539 +/- 0.0000
Ecliptic YDOT 0.00303820 +/- 0.0000
Ecliptic ZDOT -0.00027267 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 36.25222975 +/- 0.0000
Geocenter to KBO 35.24706902 +/- 0.0000
# Hcoef: 6.65
The following table shows the complete astrometric record for 495297. 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 (495297) followed by the observatory code and reference code for the source of the astrometry.
2000 09 04.389850 22 36 00.44 -08 08 07.1 495297 645 C~1eOE 2000 09 04.390683 22 36 00.43 -08 08 07.1 495297 645 C~1eOE 2000 09 04.393171 22 36 00.42 -08 08 07.0 495297 645 C~1eOE 2009 09 16.353008 23 41 43.35 -02 51 58.9 20.3V 495297 645 C~1eOE 2009 09 16.353837 23 41 43.35 -02 51 58.9 19.7V 495297 645 C~1eOE 2009 09 16.356325 23 41 43.34 -02 51 59.0 21.5V 495297 645 C~1eOE 2013 09 08.19009 00 11 08.300 -00 21 00.35 24.2g 495297 W84 C~520N 2013 09 11.30866 00 10 53.847 -00 22 41.11 23.0g 495297 W84 C~520N 2013 09 11.30866 00 10 53.85 -00 22 41.1 23.1g 495297 W84 C~3hxR 2013 09 28.08647 00 09 33.274 -00 31 55.08 23.4g 495297 W84 C~520N 2013 10 13.097512 00 08 22.01 -00 39 54.3 21.5z 495297 W84 C~1eOE 2013 10 13.09753 00 08 22.018 -00 39 54.51 21.4z 495297 W84 C~520N 2013 10 13.09753 00 08 22.02 -00 39 54.5 21.5z 495297 W84 C~3hxR 2013 10 13.114873 00 08 21.93 -00 39 54.9 21.7i 495297 W84 C~1eOE 2013 10 13.11488 00 08 21.940 -00 39 55.10 21.7i 495297 W84 C~520N 2013 10 13.11488 00 08 21.94 -00 39 55.1 21.7i 495297 W84 C~3hxR 2013 11 08.140694 00 06 39.17 -00 51 07.5 22.1r 495297 W84 C~1eOE 2013 11 08.14071 00 06 39.179 -00 51 07.70 22.2r 495297 W84 C~520N 2013 11 08.14071 00 06 39.18 -00 51 07.7 22.2r 495297 W84 C~3hxR 2013 11 22.06844 00 06 03.277 -00 54 53.46 23.3g 495297 W84 C~520N 2013 11 22.069803 00 06 03.27 -00 54 53.5 22.5r 495297 W84 C~1eOE 2013 11 22.06982 00 06 03.277 -00 54 53.76 22.5r 495297 W84 C~520N 2013 11 22.06982 00 06 03.28 -00 54 53.8 22.6r 495297 W84 C~3hxR 2013 11 22.071181 00 06 03.26 -00 54 53.5 22.2i 495297 W84 C~1eOE 2013 11 22.07119 00 06 03.268 -00 54 53.83 22.1i 495297 W84 C~520N 2013 11 22.07119 00 06 03.27 -00 54 53.8 22.2i 495297 W84 C~3hxR 2013 11 23.095509 00 06 01.28 -00 55 05.6 22.4i 495297 W84 C~1eOE 2013 11 23.09553 00 06 01.283 -00 55 05.90 22.4i 495297 W84 C~520N 2013 11 23.09553 00 06 01.28 -00 55 05.9 22.4i 495297 W84 C~3hxR 2014 10 28.195382 00 14 21.52 -00 10 48.9 22.5r 495297 W84 C~1eOE 2014 10 28.19540 00 14 21.530 -00 10 49.22 22.4r 495297 W84 C~520N 2014 10 28.19540 00 14 21.53 -00 10 49.2 22.6r 495297 W84 C~3hxR 2014 11 14.101285 00 13 23.14 -00 17 01.9 22.2z 495297 W84 C~1eOE 2014 11 14.10129 00 13 23.166 -00 17 02.14 21.9z 495297 W84 C~520N 2014 11 14.10129 00 13 23.17 -00 17 02.1 22.2z 495297 W84 C~3hxR 2014 11 15.101528 00 13 20.35 -00 17 19.5 21.9z 495297 W84 C~1eOE 2014 11 15.10154 00 13 20.357 -00 17 19.75 21.9z 495297 W84 C~520N 2014 11 15.10154 00 13 20.36 -00 17 19.8 21.9z 495297 W84 C~3hxR 2014 11 17.029097 00 13 15.17 -00 17 51.9 21.5z 495297 W84 C~1eOE 2014 11 17.02911 00 13 15.174 -00 17 52.04 21.4z 495297 W84 C~520N 2014 11 17.02911 00 13 15.17 -00 17 52.0 21.5z 495297 W84 C~3hxR 2015 09 30.144190 00 23 31.42 +00 39 18.6 22.3i 495297 W84 C~1eOE 2015 09 30.223796 00 23 31.03 +00 39 16.3 21.7i 495297 W84 C~1eOE 2015 10 10.309826 00 22 42.51 +00 33 50.6 495297 695 C~1eOE 2015 10 10.386204 00 22 42.12 +00 33 48.1 495297 695 C~1eOE 2015 10 11.208900 00 22 38.26 +00 33 22.2 495297 695 C~1eOE 2015 10 11.215590 00 22 38.22 +00 33 22.0 495297 695 C~1eOE 2016 09 09.332963 00 32 03.64 +01 25 41.3 22.9r 495297 W84 C~2Fa6 2016 09 09.33297 00 32 03.645 +01 25 41.18 22.8r 495297 W84 C~520N 2016 09 09.33297 00 32 03.64 +01 25 41.2 22.9r 495297 W84 C~3hxR 2016 09 09.334340 00 32 03.62 +01 25 41.4 22.5i 495297 W84 C~2Fa6 2016 09 09.33434 00 32 03.63 +01 25 41.3 22.6i 495297 W84 C~3hxR 2016 09 09.33434 00 32 03.627 +01 25 41.25 22.5i 495297 W84 C~520N 2016 09 10.269387 00 31 59.49 +01 25 12.2 21.7z 495297 W84 C~2Fa6 2016 09 10.26940 00 31 59.497 +01 25 12.05 21.6z 495297 W84 C~520N 2016 09 10.26940 00 31 59.50 +01 25 12.1 21.7z 495297 W84 C~3hxR 2016 10 02.184387 00 30 16.20 +01 13 23.5 21.7i 495297 W84 C~2Fa6 2016 10 02.18440 00 30 16.210 +01 13 23.29 21.5i 495297 W84 C~520N 2016 10 02.18440 00 30 16.21 +01 13 23.3 21.7i 495297 W84 C~3hxR 2016 11 30.101030 00 26 35.59 +00 49 57.1 22.4r 495297 W84 C~2Fa6 2016 11 30.10104 00 26 35.595 +00 49 56.95 22.4r 495297 W84 C~520N 2016 11 30.10104 00 26 35.59 +00 49 57.0 22.4r 495297 W84 C~3hxR 2016 11 30.102396 00 26 35.58 +00 49 57.1 22.2i 495297 W84 C~2Fa6 2016 11 30.10240 00 26 35.592 +00 49 56.99 22.2i 495297 W84 C~520N 2016 11 30.10240 00 26 35.59 +00 49 57.0 22.1i 495297 W84 C~3hxR 2016 11 30.103762 00 26 35.58 +00 49 57.0 23.4g 495297 W84 C~2Fa6 2016 11 30.10377 00 26 35.589 +00 49 56.86 23.5g 495297 W84 C~520N 2016 11 30.10377 00 26 35.59 +00 49 56.9 23.4g 495297 W84 C~3hxR 2017 09 27.20200 00 37 36.753 +01 51 28.81 22.8r 495297 W84 C~520N 2017 09 27.20337 00 37 36.744 +01 51 28.83 22.5i 495297 W84 C~520N 2017 09 27.20473 00 37 36.739 +01 51 28.79 23.8g 495297 W84 C~520N 2017 10 20.20247 00 35 47.163 +01 39 23.27 23.8g 495297 W84 C~520N 2017 10 29.13208 00 35 07.883 +01 35 11.25 22.2z 495297 W84 C~520N 2018 09 09.24289 00 45 51.848 +02 35 52.47 22.3z 495297 W84 C~520N 2018 10 10.25408 00 43 27.531 +02 19 31.56 22.2r 495297 W84 C~520N 2018 10 10.25546 00 43 27.527 +02 19 31.50 21.8i 495297 W84 C~520N 2018 10 18.18780 00 42 49.858 +02 15 25.95 21.7z 495297 W84 C~520N 2019 11 01.41126 00 48 36.57 +02 43 21.1 23.6g 495297 T09 C~7d4U 2019 11 01.49496 00 48 36.21 +02 43 19.1 23.8g 495297 T09 C~7d4U 2019 11 01.51381 00 48 36.13 +02 43 18.4 24.0g 495297 T09 C~7d4U 2020 10 15.34253 00 56 37.642 +03 25 19.45 22.4w 495297 F51 C~4IbP 2020 10 15.35360 00 56 37.599 +03 25 19.05 22.2w 495297 F51 C~4IbP 2020 10 15.36470 00 56 37.536 +03 25 18.59 22.2w 495297 F51 C~4IbP
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 -0.11
2 0.0000 0.00 -0.06 0.00 -0.08
3 0.0000 0.00 -0.02 0.00 0.09
4 9.0321 0.00 0.21 0.00 -0.36
5 9.0321 0.00 0.27 0.00 -0.34
6 9.0321 0.00 0.31 0.00 -0.35
7 13.0097 0.00 0.30 0.00 0.00
8 13.0183 0.00 -0.03 0.00 0.00
9 13.0183 0.00 0.02 0.00 0.01
10 13.0642 0.00 -0.47 0.00 0.04
11 13.1053 0.00 -0.16 0.00 0.22
12 13.1053 0.00 -0.01 0.00 0.02
13 13.1053 0.00 -0.04 0.00 0.01
14 13.1053 0.00 -0.15 0.00 0.15
15 13.1053 0.00 0.00 0.00 -0.05
16 13.1053 0.00 0.00 0.00 -0.05
17 13.1766 0.00 -0.12 0.00 0.16
18 13.1766 0.00 0.04 0.00 -0.04
19 13.1766 0.00 0.02 0.00 -0.04
20 13.2147 0.00 0.06 0.00 0.24
21 13.2147 0.00 -0.00 0.00 0.22
22 13.2147 0.00 0.15 0.00 -0.08
23 13.2147 0.00 0.11 0.00 -0.04
24 13.2147 0.00 -0.11 0.00 0.24
25 13.2147 0.00 0.04 0.00 -0.06
26 13.2147 0.00 0.01 0.00 -0.09
27 13.2175 0.00 -0.05 0.00 0.27
28 13.2175 0.00 -0.05 0.00 -0.03
29 13.2175 0.00 -0.00 0.00 -0.03
30 14.1459 0.00 -0.12 0.00 0.30
31 14.1459 0.00 0.03 0.00 -0.02
32 14.1459 0.00 0.03 0.00 -0.00
33 14.1922 0.00 -0.28 0.00 0.26
34 14.1922 0.00 0.17 0.00 0.06
35 14.1922 0.00 0.11 0.00 0.02
36 14.1950 0.00 -0.03 0.00 0.19
37 14.1950 0.00 0.12 0.00 -0.11
38 14.1950 0.00 0.08 0.00 -0.06
39 14.2002 0.00 -0.11 0.00 -0.01
40 14.2002 0.00 -0.11 0.00 -0.11
41 14.2002 0.00 -0.05 0.00 -0.15
42 15.0685 0.00 -0.34 0.00 -0.07
43 15.0687 0.00 -0.30 0.00 0.24
44 15.0963 0.00 -0.02 0.00 0.47
45 15.0965 0.00 -0.35 0.00 0.39
46 15.0988 0.00 0.01 0.00 0.40
47 15.0988 0.00 -0.10 0.00 0.41
48 16.0135 0.00 0.07 0.00 -0.03
49 16.0135 0.00 0.07 0.00 -0.13
50 16.0135 0.00 0.15 0.00 -0.15
51 16.0135 0.00 -0.03 0.00 -0.04
52 16.0135 0.00 0.02 0.00 0.01
53 16.0135 0.00 -0.13 0.00 0.11
54 16.0161 0.00 -0.09 0.00 0.02
55 16.0161 0.00 0.06 0.00 -0.08
56 16.0161 0.00 0.01 0.00 -0.13
57 16.0761 0.00 -0.09 0.00 0.14
58 16.0761 0.00 0.06 0.00 -0.06
59 16.0761 0.00 0.06 0.00 -0.07
60 16.2374 0.00 -0.00 0.00 0.08
61 16.2374 0.00 -0.00 0.00 -0.02
62 16.2374 0.00 0.07 0.00 -0.07
63 16.2374 0.00 -0.12 0.00 0.09
64 16.2374 0.00 0.03 0.00 -0.01
65 16.2374 0.00 0.06 0.00 -0.02
66 16.2374 0.00 -0.08 0.00 0.00
67 16.2374 0.00 0.07 0.00 -0.10
68 16.2374 0.00 0.05 0.00 -0.14
69 17.0618 0.00 0.04 0.00 -0.14
70 17.0618 0.00 0.01 0.00 -0.08
71 17.0618 0.00 0.03 0.00 -0.07
72 17.1247 0.00 0.21 0.00 -0.01
73 17.1492 0.00 0.09 0.00 -0.06
74 18.0119 0.00 0.14 0.00 -0.10
75 18.0968 0.00 0.02 0.00 -0.11
76 18.0968 0.00 0.06 0.00 -0.13
77 18.1185 0.00 0.13 0.00 -0.07
78 19.1568 0.00 0.04 0.00 -0.08
79 19.1570 0.00 0.06 0.00 0.13
80 19.1571 0.00 0.07 0.00 -0.07
81 20.1121 0.00 -0.02 0.00 -0.11
82 20.1122 0.00 0.14 0.00 -0.17
83 20.1122 0.00 0.01 0.00 -0.29
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.
495297 quality flag:3 Type: 7:3EEEE 7:3EEEE 7:3EEEE axisobj 53.560 53.560 53.560 ecceobj 0.323 0.323 0.323 incobj 4.796 4.796 4.796 qmin 35.739 35.739 35.739 qmax 71.396 71.396 71.395 amean 52.970 52.970 52.970 amin 52.221 52.221 52.220 amax 53.841 53.841 53.842 emean 0.314 0.314 0.314 emin 0.302 0.302 0.302 emax 0.326 0.326 0.326 imean 4.469 4.467 4.463 imin 4.152 4.152 4.152 imax 4.757 4.759 4.755 excite_mean 0.323 0.323 0.323 fracstop 1.000 1.000 1.000 cjmean 3.079 3.079 3.079 libcent 0 179.4 179.0 180.0 libamp 0 147.2 146.5 148.4 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 196.2 195.4 191.9 kozaiamp 180.0 180.0 180.0