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: 385362 # Created Sat Apr 27 01:07:45 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 33 observations of 33 # Arc: 11.17y # First observation: 2002/08/05 # Last observation: 2013/10/07 # Chi-squared of fit: 40.89 DOF: 60 RMS: 0.20 # Min/Max residuals: -0.52 0.37 # Exact a, adot, b, bdot, g, gdot: 1.263925E-05 1.686101E-02 2.180911E-06 1.089622E-03 2.017606E-02 -1.794574E-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 -0.134022 -32.964983 0.253784 -0.002372 -0.986358 2452491.923773 # Heliocentric elements and errors Epoch: 2452492.5000 = 2002/08/06 Mean Anomaly: 235.82762 +/- 0.000 Argument of Peri: 134.76650 +/- 0.000 Long of Asc Node: 328.77389 +/- 0.000 Inclination: 3.71680 +/- 0.000 Eccentricity: 0.14816095 +/- 0.0000 Semi-Major Axis: 46.10094202 +/- 0.0000 Time of Perihelion: 2491927.8424 +/- 0.0 Perihelion: 39.27058282 +/- 0.0000 Aphelion: 52.93130121 +/- 0.0000 Period (y) 313.0206 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 42.27354637 +/- 0.0000 Ecliptic Y -27.71267240 +/- 0.0000 Ecliptic Z -0.11579829 +/- 0.0000 Ecliptic XDOT 0.00103316 +/- 0.0000 Ecliptic YDOT 0.00204938 +/- 0.0000 Ecliptic ZDOT 0.00014864 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 50.54765914 +/- 0.0000 Geocenter to KBO 49.56379087 +/- 0.0000 # Hcoef: 6.42
The following table shows the complete astrometric record for 385362. 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 (385362) followed by the observatory code and reference code for the source of the astrometry.
2002 08 05.42303 21 57 10.40 -12 37 33.7 23.1R 385362 568 Cp2009 2002 08 05.48562 21 57 10.15 -12 37 34.8 22.9R 385362 568 Cp2009 2002 08 05.54820 21 57 09.90 -12 37 36.1 22.9R 385362 568 Cp2009 2002 09 04.07790 21 55 14.68 -12 47 28.5 23.3R 385362 950 Cp2009 2002 09 04.10861 21 55 14.56 -12 47 29.3 385362 950 Cp2009 2002 09 04.13929 21 55 14.43 -12 47 29.8 385362 950 Cp2009 2002 09 30.24743 21 53 46.09 -12 54 56.8 23.4R 385362 568 Cp2009 2002 09 30.30449 21 53 45.93 -12 54 57.6 23.0R 385362 568 Cp2009 2002 09 30.36635 21 53 45.75 -12 54 58.5 23.6R 385362 568 Cp2009 2002 11 28.22220 21 52 56.55 -12 58 31.0 23.0R 385362 568 Cp2009 2002 11 29.22625 21 52 57.98 -12 58 22.5 23.0R 385362 568 Cp2009 2002 11 30.22604 21 52 59.51 -12 58 13.8 22.9R 385362 568 Cp2009 2003 06 23.50794 22 02 55.83 -12 03 01.7 23.4i 385362 568 Cp2009 2003 06 23.55936 22 02 55.69 -12 03 02.1 23.4i 385362 568 Cp2009 2003 06 23.60803 22 02 55.62 -12 03 02.5 23.3i 385362 568 Cp2009 2003 07 28.31947 22 01 18.51 -12 11 27.2 385362 809 Cp2009 2003 07 28.38771 22 01 18.30 -12 11 28.8 385362 809 Cp2009 2003 07 29.17854 22 01 15.46 -12 11 43.5 385362 809 Cp2009 2003 07 29.27063 22 01 15.13 -12 11 45.0 385362 809 Cp2009 2003 07 29.35386 22 01 14.85 -12 11 46.7 385362 809 Cp2009 2003 08 31.32615 21 59 07.63 -12 22 50.2 23.4g 385362 568 Cp2009 2003 08 31.36009 21 59 07.49 -12 22 50.9 23.3g 385362 568 Cp2009 2003 08 31.38702 21 59 07.38 -12 22 51.4 23.9g 385362 568 Cp2009 2003 09 04.43777 21 58 51.78 -12 24 11.8 385362 568 Cp2009 2004 08 12.39657 22 03 56.77 -11 52 57.7 23.8R 385362 568 Cp2009 2004 08 12.42677 22 03 56.65 -11 52 58.2 23.8R 385362 568 Cp2009 2004 08 12.46130 22 03 56.52 -11 52 59.1 23.4R 385362 568 Cp2009 2004 08 14.41831 22 03 48.88 -11 53 39.4 23.4r 385362 568 Cp2009 2004 12 12.24686 22 00 28.70 -12 10 25.9 22.8R 385362 568 C~0yM4 2004 12 12.25245 22 00 28.71 -12 10 25.8 22.7R 385362 568 C~0yM4 2004 12 12.25805 22 00 28.72 -12 10 25.7 22.9R 385362 568 C~0yM4 2013 10 06.27245 22 33 33.87 -08 27 07.4 23.2R 385362 695 C~0zdL 2013 10 07.17949 22 33 31.16 -08 27 24.1 385362 695 C~0zdL
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 0.21 0.00 -0.22
2 0.0002 0.00 0.10 0.00 -0.08
3 0.0003 0.00 -0.01 0.00 -0.16
4 0.0812 0.00 0.08 0.00 -0.10
5 0.0813 0.00 0.06 0.00 -0.30
6 0.0814 0.00 -0.12 0.00 -0.21
7 0.1528 0.00 0.04 0.00 0.23
8 0.1530 0.00 0.12 0.00 0.24
9 0.1532 0.00 0.11 0.00 0.21
10 0.3143 0.00 -0.13 0.00 0.08
11 0.3171 0.00 -0.36 0.00 0.20
12 0.3198 0.00 -0.17 0.00 0.14
13 0.8818 0.00 0.11 0.00 -0.14
14 0.8820 0.00 -0.52 0.00 -0.05
15 0.8821 0.00 -0.18 0.00 0.01
16 0.9771 0.00 -0.34 0.00 0.18
17 0.9773 0.00 0.22 0.00 -0.15
18 0.9795 0.00 -0.13 0.00 -0.06
19 0.9797 0.00 -0.03 0.00 0.17
20 0.9800 0.00 0.34 0.00 0.03
21 1.0702 0.00 0.32 0.00 -0.15
22 1.0703 0.00 0.23 0.00 -0.16
23 1.0704 0.00 0.18 0.00 -0.12
24 1.0815 0.00 0.10 0.00 0.31
25 2.0205 0.00 0.01 0.00 0.23
26 2.0205 0.00 0.00 0.00 0.35
27 2.0206 0.00 0.10 0.00 0.16
28 2.0260 0.00 -0.02 0.00 0.13
29 2.3541 0.00 -0.00 0.00 -0.25
30 2.3541 0.00 -0.05 0.00 -0.23
31 2.3541 0.00 -0.09 0.00 -0.20
32 11.1700 0.00 -0.12 0.00 0.37
33 11.1725 0.00 0.14 0.00 -0.38
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.
385362 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 46.432 46.432 46.432 ecceobj 0.144 0.144 0.144 incobj 3.698 3.698 3.698 qmin 38.691 38.687 38.695 qmax 54.270 54.273 54.296 amean 46.318 46.318 46.319 amin 45.931 45.932 45.919 amax 46.767 46.774 46.781 emean 0.148 0.148 0.148 emin 0.135 0.135 0.135 emax 0.161 0.161 0.161 imean 4.774 4.774 4.774 imin 4.177 4.176 4.179 imax 5.258 5.258 5.258 excite_mean 0.170 0.170 0.170 fracstop 1.000 1.000 1.000 cjmean 3.094 3.094 3.094 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 180.4 180.2 180.5 kozaiamp 180.0 180.0 180.0