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: 16FE186 # Created Sun Dec 22 02:10:41 2024 # Orbit generated from Bernstein formalism # Fitting 19 observations of 19 # Arc: 90.79d # First observation: 2016/03/07 # Last observation: 2016/06/06 Preliminary a, adot, b, bdot, g, gdot: -0.000031 0.026113 -0.000011 -0.012050 0.025874 0.000000 # Chi-squared of fit: 5.30 DOF: 32 RMS: 0.09 # Min/Max residuals: -0.20 0.17 # Exact a, adot, b, bdot, g, gdot: 1.441925E-05 2.316898E-02 -7.955592E-06 -1.215049E-02 2.542892E-02 4.490828E-03 # Covariance matrix: 2.6008E-13 -9.7093E-12 3.3114E-14 -6.3446E-13 -7.5517E-13 1.4921E-10 -9.7093E-12 6.0710E-09 -2.3366E-11 1.5539E-10 1.0216E-09 -8.8115E-09 3.3114E-14 -2.3366E-11 2.4535E-13 -1.3516E-12 -3.9481E-12 3.1908E-11 -6.3446E-13 1.5539E-10 -1.3516E-12 1.3149E-11 2.2850E-11 -8.2833E-10 -7.5517E-13 1.0216E-09 -3.9481E-12 2.2850E-11 1.7832E-10 -3.6486E-10 1.4921E-10 -8.8115E-09 3.1908E-11 -8.2833E-10 -3.6486E-10 2.1539E-07 # lat0 lon0 xBary yBary zBary JD0 11.640854 -152.741701 0.638404 0.152635 -0.740192 2457455.094829 # Heliocentric elements and errors Epoch: 2457450.5000 = 2016/03/03 Mean Anomaly: 45.71159 +/- 1.358 Argument of Peri: 91.96350 +/- 2.826 Long of Asc Node: 47.28280 +/- 0.065 Inclination: 29.45793 +/- 0.074 Eccentricity: 0.19210674 +/- 0.0170 Semi-Major Axis: 45.07777467 +/- 0.3199 Time of Perihelion: 2443413.7687 +/- 389.4 Perihelion: 36.41803026 +/- 0.8076 Aphelion: 53.73751908 +/- 0.8549 Period (y) 302.6578 +/- 3.22 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -35.20702387 +/- 0.0180 Ecliptic Y -17.42166813 +/- 0.0093 Ecliptic Z 7.93462976 +/- 0.0042 Ecliptic XDOT 0.00048674 +/- 0.0000 Ecliptic YDOT -0.00256229 +/- 0.0000 Ecliptic ZDOT -0.00118372 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 40.07502215 +/- 0.0163 Geocenter to KBO 39.32530659 +/- 0.0207 # Hcoef: 7.77
The following table shows the complete astrometric record for 16FE186. 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 (16FE186) followed by the observatory code and reference code for the source of the astrometry.
2016 03 07.59404 13 57 50.77 +00 23 00.0 24.7g 16FE186 T09 C~89TQ 2016 03 07.61131 13 57 50.70 +00 23 00.3 24.7g 16FE186 T09 C~89TQ 2016 03 07.62696 13 57 50.66 +00 23 00.8 24.4g 16FE186 T09 C~89TQ 2016 03 16.46294 13 57 18.46 +00 26 41.2 23.3z 16FE186 T09 C~89TQ 2016 03 16.47321 13 57 18.41 +00 26 41.7 23.3z 16FE186 T09 C~89TQ 2016 03 16.51602 13 57 18.24 +00 26 42.7 23.5z 16FE186 T09 C~89TQ 2016 03 16.54079 13 57 18.15 +00 26 43.4 23.3z 16FE186 T09 C~89TQ 2016 03 16.57367 13 57 18.00 +00 26 44.1 23.9z 16FE186 T09 C~89TQ 2016 03 16.59799 13 57 17.91 +00 26 44.8 23.3z 16FE186 T09 C~89TQ 2016 03 16.62672 13 57 17.79 +00 26 45.4 23.3z 16FE186 T09 C~89TQ 2016 04 15.48536 13 55 01.42 +00 38 49.5 23.1y 16FE186 T09 C~89TQ 2016 04 15.49884 13 55 01.36 +00 38 49.9 23.1y 16FE186 T09 C~89TQ 2016 04 15.51772 13 55 01.25 +00 38 50.0 23.7y 16FE186 T09 C~89TQ 2016 06 05.39921 13 51 14.84 +00 48 00.7 23.6r 16FE186 T09 C~89TQ 2016 06 05.40134 13 51 14.84 +00 48 00.5 24.1r 16FE186 T09 C~89TQ 2016 06 05.41197 13 51 14.81 +00 48 00.3 23.7r 16FE186 T09 C~89TQ 2016 06 06.37272 13 51 11.68 +00 47 57.7 24.4g 16FE186 T09 C~89TQ 2016 06 06.37484 13 51 11.68 +00 47 57.7 24.8g 16FE186 T09 C~89TQ 2016 06 06.38765 13 51 11.64 +00 47 57.8 24.7g 16FE186 T09 C~89TQ
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 0.08
2 0.0000 -1.09 -0.11 -0.09 -0.09
3 0.0001 -1.83 0.04 0.16 0.09
4 0.0243 -531.55 0.16 35.54 -0.10
5 0.0243 -532.42 -0.05 35.74 0.07
6 0.0244 -535.16 0.01 35.78 0.00
7 0.0245 -536.67 0.11 35.95 0.12
8 0.0246 -539.03 -0.09 35.81 -0.10
9 0.0247 -540.54 -0.01 35.99 0.02
10 0.0247 -542.43 -0.04 35.91 -0.12
11 0.1065 -2711.94 -0.03 -9.93 0.03
12 0.1065 -2712.93 0.05 -9.88 0.17
13 0.1066 -2714.51 -0.05 -10.37 -0.20
14 0.2459 -6087.49 -0.16 -695.63 0.16
15 0.2459 -6087.41 0.01 -695.82 0.02
16 0.2459 -6087.76 0.15 -696.17 -0.11
17 0.2485 -6130.80 -0.06 -715.20 -0.09
18 0.2485 -6130.80 0.04 -715.20 -0.05
19 0.2486 -6131.40 0.02 -715.31 0.09
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.
16FE186 quality flag:3 Type: SCATEXTD SCATEXTD SCATEXTD axisobj 44.573 45.647 43.688 ecceobj 0.186 0.228 0.149 incobj 29.556 29.467 29.692 qmin 35.765 34.647 36.640 qmax 54.268 57.598 51.540 amean 44.820 45.903 43.922 amin 44.453 45.496 43.573 amax 45.235 46.386 44.343 emean 0.182 0.223 0.145 emin 0.163 0.204 0.128 emax 0.200 0.243 0.163 imean 28.717 28.668 28.814 imin 28.260 28.135 28.419 imax 29.107 29.130 29.194 excite_mean 0.514 0.529 0.503 fracstop 1.000 1.000 1.000 cjmean 2.777 2.769 2.780 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 178.0 175.2 183.7 kozaiamp 180.0 180.0 179.9