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: 15VJ166 # Created Fri Nov 22 02:10:32 2024 # Orbit generated from Bernstein formalism # Fitting 30 observations of 30 # Arc: 3.08y # First observation: 2014/11/17 # Last observation: 2017/12/16 Preliminary a, adot, b, bdot, g, gdot: 0.000177 0.036128 -0.000011 -0.002068 0.029756 0.000000 # Chi-squared of fit: 6.45 DOF: 54 RMS: 0.08 # Min/Max residuals: -0.18 0.31 # Exact a, adot, b, bdot, g, gdot: 1.892721E-05 3.669872E-02 -1.128552E-06 -2.100598E-03 3.021742E-02 2.996665E-03 # Covariance matrix: 4.0541E-13 -4.7208E-13 -9.8729E-15 1.9610E-14 -1.8050E-13 -3.1847E-12 -4.7208E-13 7.0825E-13 1.7063E-14 -3.3484E-14 2.6793E-13 5.4588E-12 -9.8729E-15 1.7063E-14 1.8695E-13 -1.0573E-13 6.6460E-15 1.4860E-13 1.9610E-14 -3.3484E-14 -1.0573E-13 8.2256E-14 -1.4419E-14 -2.9111E-13 -1.8050E-13 2.6793E-13 6.6460E-15 -1.4419E-14 2.5277E-13 2.2791E-12 -3.1847E-12 5.4588E-12 1.4860E-13 -2.9111E-13 2.2791E-12 4.7484E-11 # lat0 lon0 xBary yBary zBary JD0 -1.668269 47.144794 -0.128153 -0.028406 -0.980713 2456978.901288 # Heliocentric elements and errors Epoch: 2456970.5000 = 2014/11/09 Mean Anomaly: 11.01729 +/- 0.021 Argument of Peri: 185.26660 +/- 0.042 Long of Asc Node: 201.07805 +/- 0.003 Inclination: 3.65473 +/- 0.000 Eccentricity: 0.29607944 +/- 0.0001 Semi-Major Axis: 47.66612023 +/- 0.0049 Time of Perihelion: 2453291.8751 +/- 7.0 Perihelion: 33.55316199 +/- 0.0062 Aphelion: 61.77907847 +/- 0.0082 Period (y) 329.0962 +/- 0.05 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 23.06918060 +/- 0.0004 Ecliptic Y 25.05763630 +/- 0.0004 Ecliptic Z -0.96350210 +/- 0.0000 Ecliptic XDOT -0.00226099 +/- 0.0000 Ecliptic YDOT 0.00245148 +/- 0.0000 Ecliptic ZDOT -0.00019805 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 34.07345840 +/- 0.0004 Geocenter to KBO 33.09349651 +/- 0.0006 # Hcoef: 9.28
The following table shows the complete astrometric record for 15VJ166. 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 (15VJ166) followed by the observatory code and reference code for the source of the astrometry.
2014 11 17.40051 03 00 40.521 +15 21 11.08 24.2r 15VJ166 568 C~2lVe 2014 11 19.30670 03 00 29.640 +15 20 23.68 24.8r 15VJ166 568 C~2lVe 2014 11 23.41007 03 00 06.441 +15 18 43.28 24.2r 15VJ166 568 C~2lVe 2015 08 11.61007 03 14 21.211 +16 14 45.41 25.4w 15VJ166 568 C~2lVe 2015 09 06.62757 03 14 23.759 +16 13 04.10 24.9w 15VJ166 568 C~2lVe 2015 09 12.51723 03 14 13.663 +16 12 00.14 24.7w 15VJ166 568 C~2lVe 2015 10 07.45292 03 12 52.226 +16 05 07.76 25.0w 15VJ166 568 C~2lVe 2015 10 08.45753 03 12 47.796 +16 04 47.05 24.9w 15VJ166 568 C~2lVe 2015 10 08.51654 03 12 47.526 +16 04 45.77 25.0w 15VJ166 568 C~2lVe 2015 11 07.36426 03 10 10.247 +15 53 08.41 24.3r 15VJ166 568 C~2lVe 2015 11 07.40638 03 10 09.999 +15 53 07.32 24.4r 15VJ166 568 C~2lVe 2015 11 07.44859 03 10 09.748 +15 53 06.39 24.5r 15VJ166 568 C~2lVe 2015 11 10.53471 03 09 51.830 +15 51 49.89 24.8w 15VJ166 568 C~2lVe 2015 11 17.38127 03 09 12.085 +15 49 02.16 24.5w 15VJ166 568 C~2lVe 2015 11 17.42797 03 09 11.805 +15 49 00.99 24.6w 15VJ166 568 C~2lVe 2015 12 06.39016 03 07 26.852 +15 41 49.51 24.7w 15VJ166 568 C~2lVe 2015 12 13.32462 03 06 52.543 +15 39 32.58 24.9w 15VJ166 568 C~2lVe 2015 12 13.38310 03 06 52.270 +15 39 31.48 24.7w 15VJ166 568 C~2lVe 2016 01 01.37764 03 05 37.179 +15 34 44.36 24.9w 15VJ166 568 C~2lVe 2016 02 05.26985 03 04 57.170 +15 33 07.62 24.8w 15VJ166 568 C~2lVe 2016 09 07.56206 03 22 41.987 +16 37 49.13 24.9w 15VJ166 568 C~2lVe 2016 09 26.62090 03 21 56.696 +16 33 41.56 24.6w 15VJ166 568 C~2lVe 2016 11 02.51995 03 19 02.331 +16 20 53.41 24.9w 15VJ166 568 C~2lVe 2016 11 04.39506 03 18 51.641 +16 20 09.10 24.7w 15VJ166 568 C~2lVe 2016 12 24.30148 03 14 26.354 +16 02 52.69 24.9w 15VJ166 568 C~2lVe 2017 01 02.40371 03 13 53.844 +16 00 58.55 24.8w 15VJ166 568 C~2lVe 2017 01 26.29235 03 13 10.122 +15 58 55.30 25.3w 15VJ166 568 C~2lVe 2017 09 15.58250 03 30 48.175 +17 00 05.56 15VJ166 568 C~2lVe 2017 09 22.56874 03 30 31.624 +16 58 37.11 25.5w 15VJ166 568 C~2lVe 2017 12 16.37785 03 23 25.550 +16 30 09.83 24.7w 15VJ166 568 C~2lVe
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 0.06 0.00 0.01
2 0.0052 -164.37 0.12 -1.32 0.02
3 0.0165 -514.67 -0.14 -3.38 -0.00
4 0.7316 12287.09 -0.09 -139.45 -0.02
5 0.8028 12295.67 0.04 -247.05 0.09
6 0.8189 12137.95 -0.12 -270.22 -0.01
7 0.8872 10893.28 0.01 -355.85 -0.03
8 0.8900 10826.03 -0.05 -358.78 -0.03
9 0.8901 10821.93 -0.09 -358.97 -0.08
10 0.9718 8444.79 0.08 -422.20 0.09
11 0.9720 8441.04 0.07 -422.28 0.04
12 0.9721 8437.30 0.06 -422.20 0.16
13 0.9805 8167.29 -0.12 -426.05 -0.02
14 0.9993 7568.89 0.04 -432.32 -0.04
15 0.9994 7564.68 -0.04 -432.35 -0.06
16 1.0513 5987.60 0.03 -435.46 -0.04
17 1.0703 5473.15 -0.13 -431.75 -0.03
18 1.0705 5469.05 0.00 -431.73 -0.08
19 1.1225 4346.49 -0.03 -410.22 -0.03
20 1.2180 3763.85 0.13 -343.98 -0.02
21 1.8074 19648.30 -0.10 -678.74 0.02
22 1.8596 18949.54 0.31 -751.96 0.01
23 1.9606 16308.76 -0.03 -847.61 0.02
24 1.9658 16147.67 0.03 -850.44 0.03
25 2.1024 12169.37 0.17 -847.57 0.02
26 2.1273 11685.58 -0.10 -833.23 0.04
27 2.1927 11043.12 -0.01 -784.22 -0.00
28 2.8287 26832.52 0.03 -1135.59 -0.06
29 2.8478 26576.43 0.03 -1163.22 -0.04
30 3.0800 20141.70 -0.18 -1285.33 0.05
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.
15VJ166 quality flag:3 Type: 2:1E 2:1E 2:1E axisobj 48.196 48.215 48.178 ecceobj 0.304 0.305 0.304 incobj 3.642 3.642 3.642 qmin 32.687 32.706 32.713 qmax 63.916 63.702 63.633 amean 47.797 47.797 47.797 amin 47.221 47.249 47.199 amax 48.549 48.497 48.536 emean 0.300 0.300 0.300 emin 0.284 0.285 0.284 emax 0.317 0.315 0.315 imean 3.613 3.707 3.727 imin 3.015 2.935 2.770 imax 4.218 4.195 4.301 excite_mean 0.307 0.307 0.307 fracstop 1.000 1.000 1.000 cjmean 3.028 3.028 3.029 libcent 0 76.5 75.1 78.0 libamp 0 32.1 28.5 36.3 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 209.7 201.2 146.1 kozaiamp 180.0 180.0 180.0