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: 14WE602 # Created Fri Apr 26 01:16:50 2024 # Orbit generated from Bernstein formalism # Fitting 12 observations of 12 # Arc: 4.03y # First observation: 2014/11/18 # Last observation: 2018/11/30 Preliminary a, adot, b, bdot, g, gdot: -0.000034 0.025933 -0.000039 0.015100 0.025016 0.000000 # Chi-squared of fit: 5.42 DOF: 18 RMS: 0.12 # Min/Max residuals: -0.21 0.31 # Exact a, adot, b, bdot, g, gdot: 1.696182E-05 2.567563E-02 9.378567E-06 1.494695E-02 2.486946E-02 -2.757603E-03 # Covariance matrix: 4.1962E-13 -3.1612E-13 4.9775E-14 -1.1792E-13 -1.8211E-13 -2.0782E-12 -3.1612E-13 7.5371E-13 -2.0973E-13 4.2491E-13 -3.0783E-14 7.3438E-12 4.9775E-14 -2.0973E-13 3.4675E-13 -2.4203E-13 4.5120E-14 -2.2983E-12 -1.1792E-13 4.2491E-13 -2.4203E-13 3.4213E-13 -4.8888E-14 4.6197E-12 -1.8211E-13 -3.0783E-14 4.5120E-14 -4.8888E-14 4.7842E-13 -7.4476E-13 -2.0782E-12 7.3438E-12 -2.2983E-12 4.6197E-12 -7.4476E-13 7.9756E-11 # lat0 lon0 xBary yBary zBary JD0 -40.301028 10.579914 -0.697880 -0.453322 -0.534819 2456979.755718 # Heliocentric elements and errors Epoch: 2456970.5000 = 2014/11/09 Mean Anomaly: 356.06346 +/- 0.016 Argument of Peri: 314.76632 +/- 0.053 Long of Asc Node: 58.56331 +/- 0.001 Inclination: 48.71749 +/- 0.000 Eccentricity: 0.48582538 +/- 0.0001 Semi-Major Axis: 78.60187879 +/- 0.0209 Time of Perihelion: 2459753.7984 +/- 11.2 Perihelion: 40.41509136 +/- 0.0143 Aphelion: 116.78866623 +/- 0.0325 Period (y) 696.8793 +/- 0.28 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 30.70355549 +/- 0.0008 Ecliptic Y 6.44709350 +/- 0.0002 Ecliptic Z -26.00771585 +/- 0.0007 Ecliptic XDOT 0.00029537 +/- 0.0000 Ecliptic YDOT 0.00292648 +/- 0.0000 Ecliptic ZDOT 0.00145141 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 40.75137566 +/- 0.0008 Geocenter to KBO 40.20996139 +/- 0.0011 # Hcoef: 7.88
The following table shows the complete astrometric record for 14WE602. 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 (14WE602) followed by the observatory code and reference code for the source of the astrometry.
2014 11 18.25494 01 48 54.798 -32 31 45.34 24.2r 14WE602 W84 C~55TE 2014 11 27.21161 01 48 10.821 -32 27 43.81 24.1r 14WE602 W84 C~55TE 2014 11 27.21300 01 48 10.848 -32 27 43.66 23.6i 14WE602 W84 C~55TE 2015 08 21.35041 02 00 19.642 -30 31 28.86 23.4i 14WE602 W84 C~55TE 2015 09 13.35510 01 59 06.012 -30 49 06.41 23.6i 14WE602 W84 C~55TE 2015 11 05.21184 01 54 21.543 -31 07 44.74 23.9r 14WE602 W84 C~55TE 2015 11 08.24735 01 54 04.386 -31 07 24.33 23.8r 14WE602 W84 C~55TE 2016 10 02.26690 02 01 36.127 -29 32 07.48 23.3i 14WE602 W84 C~55TE 2016 10 02.26829 02 01 36.116 -29 32 07.89 24.4r 14WE602 W84 C~55TE 2017 11 24.24605 02 00 45.528 -28 06 32.39 24.1r 14WE602 W84 C~55TE 2017 11 24.24742 02 00 45.519 -28 06 32.44 24.6g 14WE602 W84 C~55TE 2018 11 30.22764 02 04 13.707 -26 34 57.50 24.3r 14WE602 W84 C~55TE
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 -0.13 0.00 0.03
2 0.0245 -381.31 -0.11 471.69 -0.05
3 0.0245 -380.94 0.31 471.66 -0.15
4 0.7559 11144.59 0.10 2188.30 0.13
5 0.8189 9797.03 -0.09 1724.00 0.21
6 0.9636 6044.68 -0.07 2497.26 0.00
7 0.9719 5860.30 -0.04 2619.81 -0.08
8 1.8727 13760.16 0.13 4819.68 0.09
9 1.8727 13759.83 -0.10 4819.39 -0.21
10 3.0171 15701.76 0.03 9647.53 0.08
11 3.0171 15701.64 -0.04 9647.55 0.02
12 4.0328 20867.95 0.02 13116.37 -0.07
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.
14WE602 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 79.982 80.049 79.915 ecceobj 0.495 0.495 0.494 incobj 48.702 48.702 48.701 qmin 39.778 39.855 39.831 qmax 120.086 120.298 120.143 amean 79.010 79.130 78.996 amin 78.001 78.165 78.017 amax 80.350 80.430 80.315 emean 0.477 0.480 0.487 emin 0.464 0.470 0.479 emax 0.495 0.497 0.496 imean 48.055 47.971 47.711 imin 47.446 47.429 47.355 imax 48.562 48.422 48.060 excite_mean 0.883 0.884 0.886 fracstop 1.000 1.000 1.000 cjmean 2.284 2.285 2.284 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 184.3 216.4 338.1 kozaiamp 180.0 180.0 22.9