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: 505476 # Created Wed Dec 25 02:07:11 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 71 observations of 71 # Arc: 7.14y # First observation: 2013/08/02 # Last observation: 2020/09/21 # Chi-squared of fit: 15.01 DOF: 136 RMS: 0.08 # Min/Max residuals: -0.39 0.33 # Exact a, adot, b, bdot, g, gdot: 1.545030E-05 2.307461E-02 1.889806E-07 3.164073E-04 2.348947E-02 2.263447E-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 -1.903511 14.657853 0.918282 -0.014474 -0.436330 2456507.005448 # Heliocentric elements and errors Epoch: 2456506.5000 = 2013/08/02 Mean Anomaly: 45.77981 +/- 0.000 Argument of Peri: 237.05403 +/- 0.000 Long of Asc Node: 81.97050 +/- 0.000 Inclination: 2.02398 +/- 0.000 Eccentricity: 0.09652976 +/- 0.0000 Semi-Major Axis: 45.86351234 +/- 0.0000 Time of Perihelion: 2442079.6699 +/- 0.0 Perihelion: 41.43631838 +/- 0.0000 Aphelion: 50.29070631 +/- 0.0000 Period (y) 310.6055 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 41.81849979 +/- 0.0000 Ecliptic Y 9.99203390 +/- 0.0000 Ecliptic Z -1.41404566 +/- 0.0000 Ecliptic XDOT -0.00043052 +/- 0.0000 Ecliptic YDOT 0.00266817 +/- 0.0000 Ecliptic ZDOT 0.00002824 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 43.01886757 +/- 0.0000 Geocenter to KBO 42.57222457 +/- 0.0000 # Hcoef: 6.65
The following table shows the complete astrometric record for 505476. 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 (505476) followed by the observatory code and reference code for the source of the astrometry.
2013 08 02.50467 00 56 55.773 +04 01 16.21 23.0r 505476 568 C~2NKT 2013 08 02.54741 00 56 55.712 +04 01 15.75 23.1r 505476 568 C~2NKT 2013 08 11.50367 00 56 40.455 +03 59 18.97 22.9r 505476 568 C~2NKT 2013 08 30.42008 00 55 49.680 +03 53 24.18 22.9r 505476 568 C~2NKT 2013 08 31.42413 00 55 46.358 +03 53 01.82 22.7r 505476 568 C~2NKT 2013 08 31.46730 00 55 46.207 +03 53 00.81 22.8r 505476 568 C~2NKT 2013 09 04.40430 00 55 32.692 +03 51 30.28 22.9r 505476 568 C~2NKT 2013 09 04.44707 00 55 32.539 +03 51 29.22 22.8r 505476 568 C~2NKT 2013 10 05.37122 00 53 26.333 +03 37 56.94 22.8r 505476 568 C~2NKT 2013 10 05.37632 00 53 26.308 +03 37 56.83 22.8r 505476 568 C~2NKT 2013 10 06.37972 00 53 21.902 +03 37 29.29 22.8r 505476 568 C~2NKT 2013 10 06.44410 00 53 21.612 +03 37 27.54 22.6r 505476 568 C~2NKT 2013 10 09.50414 00 53 08.156 +03 36 03.80 22.9r 505476 568 C~25nl 2013 10 09.50879 00 53 08.143 +03 36 03.80 22.7r 505476 568 C~2NKT 2013 10 31.22708 00 51 36.341 +03 26 46.30 22.9r 505476 568 C~25nl 2013 10 31.27019 00 51 36.159 +03 26 45.31 23.2r 505476 568 C~25nl 2013 10 31.31297 00 51 35.992 +03 26 44.38 23.0r 505476 568 C~25nl 2013 11 01.25343 00 51 32.309 +03 26 22.55 23.1r 505476 568 C~2NKT 2013 11 01.37273 00 51 31.835 +03 26 19.85 22.7r 505476 568 C~2NKT 2013 11 02.20394 00 51 28.623 +03 26 00.73 23.1r 505476 568 C~2NKT 2013 11 02.22554 00 51 28.541 +03 26 00.43 23.0r 505476 568 C~2NKT 2013 11 02.24797 00 51 28.452 +03 25 59.70 23.1r 505476 568 C~2NKT 2013 11 02.26953 00 51 28.349 +03 25 59.39 505476 568 C~2NKT 2013 11 02.29201 00 51 28.283 +03 25 58.83 23.2r 505476 568 C~2NKT 2013 11 05.25599 00 51 17.037 +03 24 52.60 22.8r 505476 568 C~2NKT 2013 11 05.37780 00 51 16.555 +03 24 50.20 505476 568 C~2NKT 2013 11 06.34704 00 51 12.994 +03 24 28.87 22.5r 505476 568 C~2NKT 2013 11 06.39952 00 51 12.773 +03 24 28.11 22.6r 505476 568 C~2NKT 2013 11 06.40464 00 51 12.756 +03 24 27.95 22.6r 505476 568 C~2NKT 2013 11 07.43574 00 51 08.986 +03 24 06.17 22.6r 505476 568 C~2NKT 2013 11 29.21607 00 50 03.751 +03 18 04.25 23.1r 505476 568 C~2NKT 2013 12 04.24324 00 49 53.287 +03 17 11.98 22.8r 505476 568 C~2NKT 2013 12 04.29069 00 49 53.194 +03 17 11.69 22.4r 505476 568 C~2NKU 2013 12 05.31529 00 49 51.293 +03 17 02.60 22.8r 505476 568 C~2NKU 2014 06 27.57448 01 01 38.156 +04 33 23.63 23.2r 505476 568 C~2NKU 2014 06 28.57952 01 01 39.885 +04 33 31.70 23.0r 505476 568 C~2NKU 2014 07 23.55193 01 01 55.603 +04 34 03.45 23.4r 505476 568 C~25nl 2014 07 27.53111 01 01 53.296 +04 33 38.73 23.1r 505476 568 C~2NKU 2014 08 28.45040 01 00 50.410 +04 25 57.91 22.7r 505476 568 C~2NKU 2014 10 02.26366 00 58 36.183 +04 11 29.10 24.0g 505476 W84 C~59Kp 2014 10 21.21035 00 57 13.471 +04 03 00.34 23.8r 505476 W84 C~59Kp 2014 10 23.27749 00 57 04.692 +04 02 07.01 22.8r 505476 568 C~2NKU 2014 10 23.33112 00 57 04.453 +04 02 05.60 22.8r 505476 568 C~2NKU 2014 10 23.38450 00 57 04.220 +04 02 04.28 22.9r 505476 568 C~2NKU 2014 10 25.25487 00 56 56.357 +04 01 17.03 22.9r 505476 568 C~2NKU 2014 10 25.34568 00 56 55.970 +04 01 14.60 22.8r 505476 568 C~2NKU 2014 10 25.35645 00 56 55.919 +04 01 14.49 22.8r 505476 568 C~2NKU 2014 10 25.45680 00 56 55.501 +04 01 11.97 22.9r 505476 568 C~2NKU 2014 10 27.24490 00 56 48.085 +04 00 27.67 23.2r 505476 568 C~2NKU 2014 10 27.30309 00 56 47.838 +04 00 26.19 23.0r 505476 568 C~2NKU 2014 10 27.36937 00 56 47.547 +04 00 24.54 22.8r 505476 568 C~2NKU 2014 10 29.20220 00 56 40.037 +03 59 40.13 22.9i 505476 W84 C~59Kp 2014 10 29.25791 00 56 39.824 +03 59 38.53 22.7r 505476 568 C~2NKU 2014 11 13.07356 00 55 43.954 +03 54 13.73 23.9g 505476 W84 C~59Kp 2014 11 13.08217 00 55 43.931 +03 54 13.56 23.1r 505476 W84 C~59Kq 2014 11 14.06878 00 55 40.587 +03 53 54.66 22.9z 505476 W84 C~59Kq 2014 11 15.07423 00 55 37.219 +03 53 35.63 22.9r 505476 W84 C~59Kq 2014 11 15.08114 00 55 37.194 +03 53 35.53 22.6z 505476 W84 C~59Kq 2014 11 19.27463 00 55 23.825 +03 52 20.68 22.9r 505476 568 C~2NKU 2014 12 17.32324 00 54 26.234 +03 47 34.76 22.7r 505476 568 C~2NKU 2015 01 17.26407 00 54 39.788 +03 50 35.81 22.9r 505476 568 C~2NKU 2017 01 31.21678 01 04 42.729 +04 56 15.52 23.4w 505476 568 C~2NKU 2017 01 31.22433 01 04 42.748 +04 56 15.63 23.4w 505476 568 C~2NKU 2017 07 24.59111 01 16 19.981 +06 06 19.30 23.4w 505476 568 C~2NKU 2018 09 13.317060 01 19 24.50 +06 24 39.5 22.9G 505476 705 C~2rXX 2018 09 13.369600 01 19 24.31 +06 24 38.4 22.9G 505476 705 C~2rXX 2018 09 13.427380 01 19 24.09 +06 24 37.2 22.3G 505476 705 C~2rXX 2018 09 13.447240 01 19 24.02 +06 24 36.6 23.0G 505476 705 C~2rXX 2020 09 21.347510 01 28 34.479 +07 22 08.69 23.1G 505476 G37 C~4IcE 2020 09 21.404700 01 28 34.253 +07 22 07.26 505476 G37 C~4IcE 2020 09 21.444460 01 28 34.094 +07 22 06.38 505476 G37 C~4IcE
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 0.01
2 0.0001 0.00 0.01 0.00 0.02
3 0.0246 0.00 0.11 0.00 -0.08
4 0.0764 0.00 0.13 0.00 0.02
5 0.0792 0.00 0.01 0.00 0.02
6 0.0793 0.00 -0.06 0.00 -0.03
7 0.0901 0.00 -0.02 0.00 0.02
8 0.0902 0.00 -0.00 0.00 -0.03
9 0.1749 0.00 0.01 0.00 -0.03
10 0.1749 0.00 -0.02 0.00 0.00
11 0.1776 0.00 0.00 0.00 -0.01
12 0.1778 0.00 -0.02 0.00 0.00
13 0.1862 0.00 -0.11 0.00 -0.10
14 0.1862 0.00 0.01 0.00 0.02
15 0.2456 0.00 0.02 0.00 -0.05
16 0.2458 0.00 -0.12 0.00 -0.03
17 0.2459 0.00 -0.05 0.00 0.03
18 0.2485 0.00 -0.05 0.00 -0.00
19 0.2488 0.00 -0.04 0.00 0.04
20 0.2511 0.00 -0.00 0.00 -0.06
21 0.2511 0.00 0.03 0.00 0.13
22 0.2512 0.00 0.02 0.00 -0.09
23 0.2512 0.00 -0.25 0.00 0.09
24 0.2513 0.00 0.08 0.00 0.04
25 0.2594 0.00 0.20 0.00 -0.22
26 0.2597 0.00 -0.07 0.00 0.03
27 0.2624 0.00 0.33 0.00 -0.39
28 0.2625 0.00 -0.02 0.00 -0.02
29 0.2626 0.00 0.01 0.00 -0.07
30 0.2654 0.00 0.01 0.00 0.02
31 0.3250 0.00 0.07 0.00 0.03
32 0.3388 0.00 0.04 0.00 -0.01
33 0.3389 0.00 0.04 0.00 0.13
34 0.3417 0.00 -0.16 0.00 0.05
35 0.9009 0.00 -0.11 0.00 0.03
36 0.9037 0.00 0.02 0.00 0.02
37 0.9721 0.00 -0.05 0.00 0.01
38 0.9830 0.00 0.13 0.00 -0.06
39 1.0704 0.00 -0.05 0.00 -0.02
40 1.1657 0.00 -0.10 0.00 0.04
41 1.2175 0.00 -0.05 0.00 0.14
42 1.2232 0.00 0.12 0.00 0.03
43 1.2233 0.00 0.00 0.00 -0.02
44 1.2235 0.00 -0.04 0.00 0.02
45 1.2286 0.00 0.02 0.00 0.02
46 1.2289 0.00 0.01 0.00 -0.14
47 1.2289 0.00 -0.07 0.00 0.02
48 1.2292 0.00 0.08 0.00 0.01
49 1.2341 0.00 0.10 0.00 0.10
50 1.2342 0.00 0.06 0.00 0.05
51 1.2344 0.00 -0.13 0.00 0.03
52 1.2394 0.00 -0.00 0.00 0.11
53 1.2396 0.00 -0.00 0.00 0.03
54 1.2801 0.00 -0.08 0.00 0.03
55 1.2802 0.00 0.03 0.00 0.03
56 1.2829 0.00 0.10 0.00 0.11
57 1.2856 0.00 -0.03 0.00 0.04
58 1.2856 0.00 -0.05 0.00 0.07
59 1.2971 0.00 -0.01 0.00 0.08
60 1.3739 0.00 -0.01 0.00 -0.18
61 1.4586 0.00 0.01 0.00 0.02
62 3.4982 0.00 0.01 0.00 0.02
63 3.4982 0.00 -0.01 0.00 -0.02
64 3.9756 0.00 0.03 0.00 -0.04
65 5.1138 0.00 -0.04 0.00 -0.13
66 5.1139 0.00 0.04 0.00 -0.02
67 5.1141 0.00 -0.02 0.00 0.12
68 5.1141 0.00 0.04 0.00 -0.02
69 7.1371 0.00 -0.01 0.00 0.01
70 7.1373 0.00 0.02 0.00 -0.05
71 7.1374 0.00 0.02 0.00 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.
505476 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 46.137 46.137 46.137 ecceobj 0.102 0.102 0.102 incobj 2.024 2.024 2.024 qmin 40.703 40.701 40.705 qmax 51.278 51.283 51.284 amean 45.847 45.847 45.847 amin 45.472 45.477 45.466 amax 46.261 46.261 46.260 emean 0.096 0.096 0.096 emin 0.082 0.082 0.082 emax 0.109 0.109 0.109 imean 0.514 0.514 0.514 imin 0.000 0.000 0.000 imax 0.913 0.913 0.913 excite_mean 0.096 0.096 0.096 fracstop 1.000 1.000 1.000 cjmean 3.113 3.113 3.113 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 183.9 183.8 183.9 kozaiamp 180.0 179.9 180.0