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: 505477 # Created Sun Dec 22 02:07:15 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 51 observations of 51 # Arc: 14.89y # First observation: 2002/10/05 # Last observation: 2017/08/25 # Chi-squared of fit: 12.38 DOF: 96 RMS: 0.09 # Min/Max residuals: -0.23 0.34 # Exact a, adot, b, bdot, g, gdot: 1.616303E-05 2.260229E-02 -2.740824E-07 -2.301072E-04 2.344021E-02 1.459003E-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 -1.787850 2.388138 -0.159660 -0.030825 -0.986461 2452552.822682 # Heliocentric elements and errors Epoch: 2452552.5000 = 2002/10/05 Mean Anomaly: 61.68016 +/- 0.000 Argument of Peri: 182.39950 +/- 0.000 Long of Asc Node: 110.98713 +/- 0.000 Inclination: 1.84133 +/- 0.000 Eccentricity: 0.07183604 +/- 0.0000 Semi-Major Axis: 44.99222382 +/- 0.0000 Time of Perihelion: 2433666.1675 +/- 0.0 Perihelion: 41.76016041 +/- 0.0000 Aphelion: 48.22428723 +/- 0.0000 Period (y) 301.7966 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 43.58262430 +/- 0.0000 Ecliptic Y 1.98323103 +/- 0.0000 Ecliptic Z -1.33099545 +/- 0.0000 Ecliptic XDOT 0.00005177 +/- 0.0000 Ecliptic YDOT 0.00264166 +/- 0.0000 Ecliptic ZDOT -0.00003197 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 43.64798039 +/- 0.0000 Geocenter to KBO 42.66173378 +/- 0.0000 # Hcoef: 6.85
The following table shows the complete astrometric record for 505477. 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 (505477) followed by the observatory code and reference code for the source of the astrometry.
2002 10 05.321939 00 11 36.45 -00 41 27.1 23.9V 505477 645 C~25nl 2002 10 05.322778 00 11 36.45 -00 41 27.1 22.0V 505477 645 C~25nl 2002 10 05.325256 00 11 36.46 -00 41 27.1 25.0V 505477 645 C~25nl 2008 10 02.240468 00 40 08.46 +02 18 34.2 23.1V 505477 645 C~25nl 2008 10 02.241297 00 40 08.46 +02 18 34.3 505477 645 C~25nl 2008 10 02.243785 00 40 08.45 +02 18 34.2 505477 645 C~25nl 2013 08 02.52798 01 06 35.775 +05 04 42.60 23.3r 505477 568 C~2NKU 2013 08 02.57069 01 06 35.723 +05 04 42.22 23.6r 505477 568 C~2NKU 2013 08 30.44360 01 05 35.820 +04 57 30.02 23.0r 505477 568 C~2NKU 2013 08 31.44775 01 05 32.717 +04 57 09.11 23.2r 505477 568 C~2NKU 2013 08 31.49065 01 05 32.584 +04 57 08.23 23.2r 505477 568 C~2NKU 2013 08 31.50871 01 05 32.522 +04 57 07.87 23.2r 505477 568 C~2NKU 2013 09 04.42758 01 05 19.879 +04 55 43.07 23.4r 505477 568 C~2NKU 2013 09 04.47051 01 05 19.732 +04 55 42.09 23.3r 505477 568 C~2NKU 2013 09 04.47904 01 05 19.691 +04 55 42.10 23.6r 505477 568 C~2NKU 2013 09 04.49657 01 05 19.640 +04 55 41.92 23.0r 505477 568 C~2NKU 2013 09 04.50244 01 05 19.610 +04 55 41.25 23.0r 505477 568 C~2NKU 2013 09 04.52303 01 05 19.544 +04 55 40.76 23.3r 505477 568 C~2NKU 2013 10 06.40889 01 03 14.227 +04 42 16.45 23.3r 505477 568 C~2NKU 2013 10 06.49158 01 03 13.870 +04 42 14.28 23.1r 505477 568 C~2NKU 2013 10 06.49617 01 03 13.855 +04 42 14.24 23.2r 505477 568 C~2NKU 2013 10 09.53885 01 03 00.782 +04 40 53.01 23.1r 505477 568 C~2NKU 2013 10 31.25056 01 01 29.996 +04 31 41.31 23.2r 505477 568 C~25nl 2013 10 31.29356 01 01 29.819 +04 31 40.42 23.4r 505477 568 C~25nl 2013 10 31.33628 01 01 29.649 +04 31 39.46 23.3r 505477 568 C~25nl 2013 11 01.27683 01 01 25.962 +04 31 17.52 23.2r 505477 568 C~2NKU 2013 11 01.40318 01 01 25.456 +04 31 14.58 23.3r 505477 568 C~2NKU 2013 11 05.45493 01 01 09.910 +04 29 43.05 23.2r 505477 568 C~2NKU 2013 12 04.26738 00 59 43.897 +04 21 42.44 23.4r 505477 568 C~2NKU 2013 12 04.31956 00 59 43.780 +04 21 41.87 505477 568 C~2NKU 2014 06 27.59782 01 10 54.949 +05 32 43.40 23.4r 505477 568 C~2NKU 2014 06 28.60286 01 10 56.808 +05 32 52.00 23.5r 505477 568 C~2NKU 2014 07 24.56087 01 11 16.468 +05 33 41.68 23.2r 505477 568 C~2NKU 2014 08 22.56426 01 10 34.946 +05 28 16.26 23.3r 505477 568 C~2NKU 2014 08 28.42620 01 10 19.270 +05 26 28.36 23.3r 505477 568 C~2NKU 2014 08 29.52684 01 10 16.077 +05 26 06.76 23.3r 505477 568 C~2NKU 2014 08 29.56608 01 10 15.962 +05 26 05.87 25.1u 505477 568 C~2NKU 2014 08 29.61463 01 10 15.817 +05 26 05.00 23.3r 505477 568 C~2NKU 2014 10 23.36016 01 06 41.094 +05 03 27.86 23.2r 505477 568 C~2NKU 2014 10 27.39884 01 06 24.311 +05 01 47.52 23.1r 505477 568 C~2NKU 2014 11 24.24000 01 04 44.978 +04 52 15.26 23.3r 505477 568 C~2NKU 2014 11 25.23617 01 04 42.178 +04 51 59.83 23.4r 505477 568 C~2NKU 2014 12 17.25877 01 03 58.107 +04 48 19.75 23.2r 505477 568 C~2NKU 2015 01 17.29797 01 04 03.752 +04 50 20.19 23.4r 505477 568 C~2NKU 2015 10 15.30155 01 11 53.844 +05 35 15.10 23.2r 505477 568 C~2NKU 2015 10 15.30564 01 11 53.828 +05 35 14.99 23.2r 505477 568 C~2NKU 2015 10 15.35250 01 11 53.622 +05 35 13.73 23.1r 505477 568 C~2NKU 2015 10 15.35660 01 11 53.602 +05 35 13.71 23.0r 505477 568 C~2NKU 2015 12 07.37779 01 08 48.239 +05 17 32.89 23.6w 505477 568 C~2NKU 2017 07 24.60098 01 24 52.410 +06 55 38.58 23.6w 505477 568 C~2NKU 2017 08 25.51775 01 24 11.402 +06 50 16.08 23.6w 505477 568 C~2NKU
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 -0.18 0.00 -0.05
2 0.0000 0.00 -0.13 0.00 -0.03
3 0.0000 0.00 0.18 0.00 0.04
4 5.9929 0.00 0.12 0.00 -0.00
5 5.9929 0.00 0.17 0.00 0.12
6 5.9929 0.00 0.19 0.00 0.09
7 10.8260 0.00 -0.02 0.00 -0.07
8 10.8261 0.00 -0.02 0.00 -0.04
9 10.9025 0.00 0.06 0.00 -0.13
10 10.9052 0.00 0.04 0.00 -0.08
11 10.9053 0.00 0.10 0.00 -0.06
12 10.9054 0.00 0.04 0.00 -0.04
13 10.9161 0.00 0.04 0.00 -0.04
14 10.9162 0.00 0.03 0.00 -0.07
15 10.9162 0.00 -0.15 0.00 0.13
16 10.9163 0.00 -0.01 0.00 0.34
17 10.9163 0.00 -0.16 0.00 -0.20
18 10.9164 0.00 -0.10 0.00 -0.23
19 11.0037 0.00 -0.10 0.00 -0.01
20 11.0039 0.00 -0.04 0.00 0.03
21 11.0039 0.00 0.03 0.00 0.11
22 11.0122 0.00 -0.08 0.00 0.03
23 11.0717 0.00 0.01 0.00 -0.13
24 11.0718 0.00 -0.06 0.00 -0.01
25 11.0719 0.00 -0.03 0.00 0.03
26 11.0745 0.00 0.05 0.00 0.01
27 11.0748 0.00 0.02 0.00 -0.00
28 11.0859 0.00 -0.01 0.00 0.03
29 11.1648 0.00 0.06 0.00 0.06
30 11.1649 0.00 -0.03 0.00 0.03
31 11.7270 0.00 -0.04 0.00 0.08
32 11.7297 0.00 0.03 0.00 -0.01
33 11.8008 0.00 -0.09 0.00 -0.04
34 11.8802 0.00 -0.05 0.00 -0.06
35 11.8962 0.00 -0.00 0.00 -0.00
36 11.8993 0.00 -0.02 0.00 0.00
37 11.8994 0.00 0.02 0.00 -0.11
38 11.8995 0.00 0.04 0.00 -0.02
39 12.0494 0.00 -0.01 0.00 -0.00
40 12.0604 0.00 -0.11 0.00 0.02
41 12.1367 0.00 -0.11 0.00 0.07
42 12.1394 0.00 0.03 0.00 -0.03
43 12.1997 0.00 0.04 0.00 -0.03
44 12.2847 0.00 -0.00 0.00 0.13
45 13.0266 0.00 0.01 0.00 0.01
46 13.0266 0.00 0.03 0.00 0.01
47 13.0268 0.00 0.02 0.00 -0.03
48 13.0268 0.00 -0.01 0.00 0.06
49 13.1720 0.00 -0.01 0.00 0.06
50 14.8016 0.00 0.21 0.00 0.05
51 14.8890 0.00 0.13 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.
505477 quality flag:3 Type: 11:6EEEEE 11:6EEEEE 11:6EEEEE axisobj 45.383 45.383 45.383 ecceobj 0.076 0.076 0.076 incobj 1.841 1.841 1.841 qmin 41.150 41.154 41.151 qmax 49.325 49.326 49.325 amean 45.102 45.102 45.103 amin 44.743 44.742 44.743 amax 45.484 45.483 45.484 emean 0.071 0.071 0.071 emin 0.058 0.058 0.058 emax 0.085 0.085 0.085 imean 0.703 0.703 0.703 imin 0.136 0.136 0.136 imax 1.107 1.107 1.107 excite_mean 0.073 0.073 0.073 fracstop 1.000 1.000 1.000 cjmean 3.109 3.109 3.109 libcent 0 175.9 177.9 179.0 libamp 0 166.7 168.0 170.3 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 163.4 163.5 163.1 kozaiamp 180.0 180.0 180.0