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: 14SM373 # Created Sun Dec 22 02:10:02 2024 # Orbit generated from Bernstein formalism # Fitting 28 observations of 28 # Arc: 4.17y # First observation: 2014/09/30 # Last observation: 2018/12/02 Preliminary a, adot, b, bdot, g, gdot: 0.000495 0.028596 -0.000100 0.000777 0.026775 0.000000 # Chi-squared of fit: 7.59 DOF: 50 RMS: 0.09 # Min/Max residuals: -0.28 0.21 # Exact a, adot, b, bdot, g, gdot: 1.719225E-05 2.891733E-02 6.013359E-07 7.844337E-04 2.659549E-02 1.562193E-03 # Covariance matrix: 3.3771E-13 -2.0062E-13 -7.0762E-15 -8.1734E-15 7.8006E-14 -1.3186E-12 -2.0062E-13 2.7344E-13 -1.8956E-14 1.7645E-14 6.5226E-14 2.3802E-12 -7.0762E-15 -1.8956E-14 2.0033E-13 -6.9499E-14 -3.3697E-14 -1.8582E-13 -8.1734E-15 1.7645E-14 -6.9499E-14 3.3821E-14 7.3165E-15 1.7418E-13 7.8006E-14 6.5226E-14 -3.3697E-14 7.3165E-15 2.0337E-13 6.3500E-13 -1.3186E-12 2.3802E-12 -1.8582E-13 1.7418E-13 6.3500E-13 2.3514E-11 # lat0 lon0 xBary yBary zBary JD0 -26.024024 19.685353 0.225303 -0.429054 -0.879127 2456930.749808 # Heliocentric elements and errors Epoch: 2456930.5000 = 2014/09/30 Mean Anomaly: 14.01748 +/- 0.043 Argument of Peri: 253.22542 +/- 0.062 Long of Asc Node: 106.25052 +/- 0.001 Inclination: 25.41756 +/- 0.000 Eccentricity: 0.16092091 +/- 0.0001 Semi-Major Axis: 45.49440652 +/- 0.0043 Time of Perihelion: 2452566.3179 +/- 13.5 Perihelion: 38.17340500 +/- 0.0059 Aphelion: 52.81540803 +/- 0.0069 Period (y) 306.8635 +/- 0.04 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 32.80768858 +/- 0.0005 Ecliptic Y 11.50097901 +/- 0.0002 Ecliptic Z -16.49709621 +/- 0.0003 Ecliptic XDOT -0.00083796 +/- 0.0000 Ecliptic YDOT 0.00285888 +/- 0.0000 Ecliptic ZDOT 0.00000212 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 38.48078912 +/- 0.0005 Geocenter to KBO 37.60035864 +/- 0.0006 # Hcoef: 7.28
The following table shows the complete astrometric record for 14SM373. 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 (14SM373) followed by the observatory code and reference code for the source of the astrometry.
2014 09 30.24903 01 52 30.01 -16 23 15.8 24.1g 14SM373 W84 C~3cnr 2014 12 22.07976 01 46 35.61 -16 30 43.8 22.4i 14SM373 W84 C~3cnr 2014 12 23.07962 01 46 33.741 -16 30 12.98 23.3r 14SM373 W84 C~4yUW 2015 01 12.07007 01 46 17.571 -16 17 19.75 23.7g 14SM373 W84 C~4yUW 2015 01 12.08270 01 46 17.572 -16 17 19.23 23.4i 14SM373 W84 C~4yUW 2015 10 22.23048 01 56 58.117 -15 53 04.91 23.0i 14SM373 W84 C~4yUW 2015 11 16.18433 01 54 53.580 -15 58 47.17 22.9i 14SM373 W84 C~4yUW 2015 11 16.18571 01 54 53.577 -15 58 47.20 23.1r 14SM373 W84 C~4yUW 2015 11 16.18708 01 54 53.569 -15 58 47.17 24.1g 14SM373 W84 C~4yUW 2015 11 18.13832 01 54 44.589 -15 58 51.10 22.2z 14SM373 W84 C~4yUW 2016 09 08.30361 02 06 18.366 -14 45 09.78 24.4g 14SM373 W84 C~4yUW 2016 09 30.24057 02 04 53.726 -15 00 10.06 23.0i 14SM373 W84 C~4yUW 2016 09 30.24194 02 04 53.713 -15 00 10.12 22.8r 14SM373 W84 C~4yUW 2016 09 30.24331 02 04 53.725 -15 00 10.21 23.4g 14SM373 W84 C~4yUW 2016 10 02.23745 02 04 44.627 -15 01 23.57 22.8i 14SM373 W84 C~4yUW 2016 10 02.23883 02 04 44.617 -15 01 23.71 22.9r 14SM373 W84 C~4yUW 2016 10 02.24020 02 04 44.608 -15 01 23.64 23.6g 14SM373 W84 C~4yUW 2016 12 07.18401 01 59 34.915 -15 15 09.47 22.7z 14SM373 W84 C~4yUW 2017 10 13.31279 02 10 00.585 -14 25 02.89 22.7z 14SM373 W84 C~4yUW 2017 12 14.07451 02 05 18.924 -14 31 38.30 23.2r 14SM373 W84 C~4yUW 2017 12 22.09803 02 04 57.324 -14 28 26.11 23.7g 14SM373 W84 C~4yUW 2017 12 22.15231 02 04 57.188 -14 28 24.70 22.8i 14SM373 W84 C~4yUW 2017 12 23.13539 02 04 54.949 -14 27 57.49 23.1r 14SM373 W84 C~4yUW 2017 12 23.13674 02 04 54.937 -14 27 57.48 23.8g 14SM373 W84 C~4yUW 2018 09 22.39391 02 17 38.621 -13 29 26.83 23.3i 14SM373 W84 C~4yUW 2018 10 28.28519 02 14 50.904 -13 48 38.65 22.6z 14SM373 W84 C~4yUW 2018 11 29.22351 02 12 16.825 -13 52 53.26 23.1r 14SM373 W84 C~4yUX 2018 12 02.13556 02 12 04.834 -13 52 32.38 23.9g 14SM373 W84 C~4yUX
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 0.00 0.00 -0.03
2 0.2268 -4875.44 0.11 1560.47 0.15
3 0.2295 -4888.45 -0.05 1599.26 -0.04
4 0.2842 -4806.86 -0.04 2402.90 0.00
5 0.2843 -4806.65 -0.08 2403.37 -0.04
6 1.0595 4264.59 -0.01 147.47 0.14
7 1.1278 2478.35 0.01 541.09 -0.04
8 1.1278 2478.30 0.05 541.08 -0.08
9 1.1278 2478.20 0.04 541.16 -0.04
10 1.1332 2357.57 0.07 588.43 -0.28
11 1.9413 13341.15 -0.18 637.61 -0.05
12 2.0013 11849.23 0.08 309.93 0.06
13 2.0013 11849.03 -0.01 309.95 0.09
14 2.0014 11849.15 0.21 309.80 -0.05
15 2.0068 11698.45 -0.01 295.87 0.09
16 2.0068 11698.26 -0.09 295.80 0.03
17 2.0068 11698.17 -0.07 295.92 0.15
18 2.1874 7249.56 -0.07 1337.86 -0.08
19 3.0365 16797.33 0.04 426.38 -0.13
20 3.2055 12878.94 0.06 1730.92 0.03
21 3.2275 12668.88 0.07 2033.97 0.14
22 3.2277 12667.64 -0.04 2036.06 0.10
23 3.2304 12648.81 0.04 2074.15 0.03
24 3.2304 12648.65 -0.09 2074.23 0.06
25 3.9785 24322.38 -0.02 715.84 -0.01
26 4.0768 21586.62 0.05 681.69 -0.18
27 4.1642 19416.17 0.00 1377.99 0.12
28 4.1722 19264.26 -0.06 1469.14 -0.16
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.
14SM373 quality flag:3 Type: SCATEXTD SCATEXTD SCATEXTD axisobj 45.953 45.967 45.939 ecceobj 0.170 0.170 0.169 incobj 25.423 25.423 25.423 qmin 37.663 37.642 37.660 qmax 53.924 53.990 53.911 amean 45.607 45.621 45.593 amin 45.223 45.236 45.220 amax 46.029 46.056 46.017 emean 0.157 0.158 0.157 emin 0.143 0.143 0.143 emax 0.172 0.172 0.172 imean 23.885 23.885 23.886 imin 23.523 23.524 23.521 imax 24.262 24.251 24.265 excite_mean 0.434 0.435 0.434 fracstop 1.000 1.000 1.000 cjmean 2.884 2.884 2.884 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 176.9 176.8 176.6 kozaiamp 179.9 180.0 180.0