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: 00WL183 # Created Sun Nov 24 02:08:07 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 20 observations of 20 # Arc: 19.97y # First observation: 2000/11/26 # Last observation: 2020/11/14 # Chi-squared of fit: 24.56 DOF: 34 RMS: 0.20 # Min/Max residuals: -0.48 0.36 # Exact a, adot, b, bdot, g, gdot: 1.433089E-05 2.055245E-02 2.604814E-06 1.339365E-03 2.255183E-02 1.078003E-03 # Covariance matrix: 1.4301E-13 -3.3186E-14 2.0984E-15 -1.7040E-15 -5.4705E-14 -6.1911E-14 -3.3186E-14 2.5595E-14 -1.7980E-15 1.5401E-15 -3.1100E-14 5.5904E-14 2.0984E-15 -1.7980E-15 1.0759E-13 -7.2048E-15 4.2912E-16 -4.1911E-15 -1.7040E-15 1.5401E-15 -7.2048E-15 1.5187E-15 -1.4852E-15 3.5703E-15 -5.4705E-14 -3.1100E-14 4.2912E-16 -1.4852E-15 1.0958E-12 -5.3241E-14 -6.1911E-14 5.5904E-14 -4.1911E-15 3.5703E-15 -5.3241E-14 1.2961E-13 # lat0 lon0 xBary yBary zBary JD0 -2.191649 63.786002 -0.008720 -0.037622 -0.979712 2451874.628143 # Heliocentric elements and errors Epoch: 2451874.5000 = 2000/11/26 Mean Anomaly: 118.95785 +/- 0.129 Argument of Peri: 205.07705 +/- 0.110 Long of Asc Node: 93.72689 +/- 0.001 Inclination: 4.29049 +/- 0.000 Eccentricity: 0.06181296 +/- 0.0001 Semi-Major Axis: 43.89225300 +/- 0.0078 Time of Perihelion: 2416777.4303 +/- 39.2 Perihelion: 41.17914289 +/- 0.0080 Aphelion: 46.60536310 +/- 0.0089 Period (y) 290.7971 +/- 0.08 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 20.00239426 +/- 0.0009 Ecliptic Y 40.64112936 +/- 0.0018 Ecliptic Z -1.69566301 +/- 0.0001 Ecliptic XDOT -0.00218589 +/- 0.0000 Ecliptic YDOT 0.00122947 +/- 0.0000 Ecliptic ZDOT 0.00015765 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 45.32846118 +/- 0.0017 Geocenter to KBO 44.34230136 +/- 0.0021 # Hcoef: 7.53
The following table shows the complete astrometric record for 00WL183. 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 (00WL183) followed by the observatory code and reference code for the source of the astrometry.
2000 11 26.12740 04 08 51.63 +18 45 17.2 23.9R 00WL183 809 Cc4044 2000 11 26.18511 04 08 51.34 +18 45 16.6 23.8R 00WL183 809 Cc4044 2000 11 26.23903 04 08 51.09 +18 45 16.4 00WL183 809 Cc4044 2000 11 27.12684 04 08 46.78 +18 45 05.4 23.8R 00WL183 809 Cc4044 2000 11 27.18142 04 08 46.54 +18 45 05.0 23.7R 00WL183 809 Cc4044 2000 11 27.21127 04 08 46.39 +18 45 04.4 23.6R 00WL183 809 Cc4044 2000 11 27.23691 04 08 46.26 +18 45 04.2 00WL183 809 Cc4044 2000 11 27.26212 04 08 46.14 +18 45 03.8 00WL183 809 Cc4044 2001 11 14.22891 04 14 40.45 +19 05 06.1 23.4R 00WL183 309 Ce3553 2001 11 14.27014 04 14 40.26 +19 05 05.6 23.4R 00WL183 309 Ce3553 2001 11 15.27272 04 14 35.56 +19 04 53.8 23.4R 00WL183 309 Ce3553 2001 11 15.30503 04 14 35.42 +19 04 53.5 23.6R 00WL183 309 Ce3553 2006 10 19.41884 04 40 38.19 +20 27 13.5 24.1R 00WL183 695 Ct7980 2006 10 20.42290 04 40 34.98 +20 27 06.6 00WL183 695 Ct6956 2006 10 20.47876 04 40 34.81 +20 27 06.0 00WL183 695 Ct6956 2006 12 21.20687 04 35 59.85 +20 18 22.4 24.5R 00WL183 695 Ct5429 2006 12 21.27788 04 35 59.49 +20 18 21.7 00WL183 695 Ct5429 2020 11 14.423870 05 47 19.014 +22 51 03.41 23.6G 00WL183 G37 C~4ND0 2020 11 14.471200 05 47 18.830 +22 51 03.43 00WL183 G37 C~4ND1 2020 11 14.500450 05 47 18.694 +22 51 03.81 00WL183 G37 C~4ND1
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 0.08 0.00 -0.33
2 0.0002 0.00 -0.03 0.00 -0.24
3 0.0003 0.00 0.17 0.00 0.21
4 0.0027 0.00 -0.48 0.00 -0.07
5 0.0029 0.00 -0.08 0.00 0.18
6 0.0030 0.00 -0.14 0.00 -0.06
7 0.0030 0.00 -0.21 0.00 0.05
8 0.0031 0.00 -0.16 0.00 -0.04
9 0.9667 0.00 0.14 0.00 0.12
10 0.9669 0.00 0.22 0.00 0.11
11 0.9696 0.00 0.15 0.00 0.11
12 0.9697 0.00 0.36 0.00 0.20
13 5.8954 0.00 -0.26 0.00 0.03
14 5.8981 0.00 -0.17 0.00 0.17
15 5.8983 0.00 0.06 0.00 -0.03
16 6.0673 0.00 0.33 0.00 -0.18
17 6.0675 0.00 -0.10 0.00 -0.33
18 19.9680 0.00 0.05 0.00 -0.15
19 19.9681 0.00 0.14 0.00 -0.09
20 19.9682 0.00 -0.15 0.00 0.32
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.
00WL183 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 43.869 43.870 43.869 ecceobj 0.063 0.063 0.063 incobj 4.293 4.293 4.293 qmin 40.026 40.024 40.028 qmax 47.380 47.378 47.381 amean 43.597 43.597 43.597 amin 43.257 43.255 43.256 amax 43.961 43.960 43.963 emean 0.061 0.061 0.061 emin 0.041 0.041 0.042 emax 0.078 0.078 0.078 imean 2.486 2.486 2.486 imin 1.668 1.668 1.668 imax 3.221 3.221 3.220 excite_mean 0.075 0.075 0.075 fracstop 1.000 1.000 1.000 cjmean 3.090 3.090 3.090 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 176.9 177.0 176.9 kozaiamp 180.0 180.0 180.0