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: 16EE403 # Created Sun Oct 19 01:11:25 2025 # Orbit generated from Bernstein formalism # Fitting 11 observations of 11 # Arc: 34.91d # First observation: 2016/03/07 # Last observation: 2016/04/11 Preliminary a, adot, b, bdot, g, gdot: 0.000002 0.029191 -0.000003 0.002015 0.026628 0.000000 # Chi-squared of fit: 6.63 DOF: 16 RMS: 0.14 # Min/Max residuals: -0.25 0.28 # Exact a, adot, b, bdot, g, gdot: 1.674107E-05 2.625230E-02 1.475941E-06 2.279369E-03 2.596583E-02 -1.418236E-03 # Covariance matrix: 3.9358E-13 7.7427E-11 -9.5320E-14 -6.9294E-12 1.9331E-11 2.4593E-09 7.7427E-11 1.8727E-07 -1.6056E-10 -1.7881E-08 3.8014E-08 2.4324E-06 -9.5320E-14 -1.6056E-10 3.8276E-13 1.2089E-11 -3.3263E-11 -2.3966E-09 -6.9294E-12 -1.7881E-08 1.2089E-11 1.8022E-09 -3.6125E-09 -2.2337E-07 1.9331E-11 3.8014E-08 -3.3263E-11 -3.6125E-09 7.7946E-09 5.2920E-07 2.4593E-09 2.4324E-06 -2.3966E-09 -2.2337E-07 5.2920E-07 4.8293E-05 # lat0 lon0 xBary yBary zBary JD0 13.168816 -151.370148 0.656197 0.168810 -0.720867 2457455.103509 # Heliocentric elements and errors Epoch: 2457450.5000 = 2016/03/03 Mean Anomaly: 298.05396 +/- 60.435 Argument of Peri: 138.58432 +/- 89.036 Long of Asc Node: 139.59163 +/- 0.543 Inclination: 13.89078 +/- 0.052 Eccentricity: 0.07599834 +/- 0.2438 Semi-Major Axis: 40.49962486 +/- 0.7661 Time of Perihelion: 2473649.4175 +/- 15797.2 Perihelion: 37.42172042 +/- 9.8980 Aphelion: 43.57752930 +/- 9.9070 Period (y) 257.7417 +/- 7.31 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -33.88218541 +/- 0.1119 Ecliptic Y -17.74901222 +/- 0.0611 Ecliptic Z 8.77394993 +/- 0.0298 Ecliptic XDOT 0.00150204 +/- 0.0006 Ecliptic YDOT -0.00234059 +/- 0.0004 Ecliptic ZDOT 0.00019996 +/- 0.0002 # Distances at JD0 (AU) Heliocenter to KBO 39.24298817 +/- 0.1007 Geocenter to KBO 38.51214698 +/- 0.1309 # Hcoef: 8.26
The following table shows the complete astrometric record for 16EE403. 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 (16EE403) followed by the observatory code and reference code for the source of the astrometry.
2016 03 07.60272 14 05 00.67 +01 20 35.1 25.5g 16EE403 T09 C~98P0 2016 03 07.61554 14 05 00.64 +01 20 35.4 25.8g 16EE403 T09 C~98P0 2016 03 07.61769 14 05 00.65 +01 20 35.4 26.0g 16EE403 T09 C~98P0 2016 03 07.63334 14 05 00.58 +01 20 36.3 25.2g 16EE403 T09 C~98P0 2016 03 16.50186 14 04 31.14 +01 25 35.6 24.0z 16EE403 T09 C~98P0 2016 03 16.52694 14 04 31.03 +01 25 36.3 24.4z 16EE403 T09 C~98P0 2016 03 16.52963 14 04 31.03 +01 25 36.6 24.8z 16EE403 T09 C~98P0 2016 03 16.55457 14 04 30.94 +01 25 37.6 23.8z 16EE403 T09 C~98P0 2016 04 11.44440 14 02 40.76 +01 39 53.1 22.3i 16EE403 T09 C~98P0 2016 04 11.48957 14 02 40.56 +01 39 54.1 22.5i 16EE403 T09 C~98P0 2016 04 11.51385 14 02 40.45 +01 39 55.1 22.2i 16EE403 T09 C~98P0
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 -0.16 0.00 -0.02
2 0.0000 -0.53 0.02 0.12 -0.09
3 0.0000 -0.39 0.28 0.18 -0.07
4 0.0001 -1.68 -0.15 0.65 0.17
5 0.0244 -519.88 0.11 126.94 0.01
6 0.0244 -521.67 -0.08 127.02 -0.22
7 0.0244 -521.78 -0.01 127.30 0.03
8 0.0245 -523.39 -0.02 127.77 0.18
9 0.0954 -2370.31 -0.25 352.73 0.09
10 0.0955 -2373.47 0.12 352.62 -0.18
11 0.0956 -2375.36 0.12 352.98 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.
16EE403 quality flag:0 Type: ERR2LARGE ERR2LARGE ERR2LARGE axisobj 0.000 0.000 0.000 ecceobj -1.000 -1.000 -1.000 incobj -1.000 -1.000 -1.000 qmin 0.000 0.000 0.000 qmax 0.000 0.000 0.000 amean 0.000 0.000 0.000 amin 0.000 0.000 0.000 amax 0.000 0.000 0.000 emean 0.000 0.000 0.000 emin 0.000 0.000 0.000 emax 0.000 0.000 0.000 imean 0.000 0.000 0.000 imin 0.000 0.000 0.000 imax 0.000 0.000 0.000 excite_mean 0.000 0.000 0.000 fracstop 0.000 0.000 0.000 cjmean 0.000 0.000 0.000 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 0.0 0.0 0.0 kozaiamp 0.0 0.0 0.0