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: 16FE59 # Created Wed Nov 27 02:10:36 2024 # Orbit generated from Bernstein formalism # Fitting 12 observations of 12 # Arc: 3.98d # First observation: 2016/03/28 # Last observation: 2016/04/01 Preliminary a, adot, b, bdot, g, gdot: 0.000002 0.046787 0.000001 0.002201 0.029962 0.000000 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # WARNING Fitting with energy constraint # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 52.70 DOF: 19 RMS: 0.37 # Min/Max residuals: -0.64 0.73 # Exact a, adot, b, bdot, g, gdot: 1.845927E-05 2.717013E-02 2.833010E-06 2.733228E-03 2.680647E-02 7.184375E-03 # Covariance matrix: 1.1137E-10 1.8685E-07 -1.9126E-12 -5.0667E-09 3.0069E-08 -3.5397E-07 1.8685E-07 3.1464E-04 -3.2197E-09 -8.5297E-06 5.0620E-05 -5.9738E-04 -1.9126E-12 -3.2197E-09 3.8992E-13 4.5009E-11 -5.1801E-10 6.0973E-09 -5.0667E-09 -8.5297E-06 4.5009E-11 2.3886E-07 -1.3723E-06 1.6211E-05 3.0069E-08 5.0620E-05 -5.1801E-10 -1.3723E-06 8.1440E-06 -9.5994E-05 -3.5397E-07 -5.9738E-04 6.0973E-09 1.6211E-05 -9.5994E-05 1.6443E-03 # lat0 lon0 xBary yBary zBary JD0 -9.348932 179.107530 -0.145983 -0.159574 -0.970381 2457475.617559 # Heliocentric elements and errors Epoch: 2457470.5000 = 2016/03/23 Mean Anomaly: 57.79206 +/- 80.330 Argument of Peri: 213.71832 +/- 199.058 Long of Asc Node: 237.06274 +/- 20.116 Inclination: 10.73687 +/- 2.351 Eccentricity: 0.26950205 +/- 1.3922 Semi-Major Axis: 41.64655162 +/- 21.9797 Time of Perihelion: 2441711.3548 +/- 18005.1 Perihelion: 30.42272038 +/- 60.1634 Aphelion: 52.87038287 +/- 64.3461 Period (y) 268.7675 +/- 212.77 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -37.79383165 +/- 3.9181 Ecliptic Y 0.43998830 +/- 0.0614 Ecliptic Z -6.05989085 +/- 0.6451 Ecliptic XDOT -0.00081244 +/- 0.0041 Ecliptic YDOT -0.00276965 +/- 0.0016 Ecliptic ZDOT 0.00015626 +/- 0.0006 # Distances at JD0 (AU) Heliocenter to KBO 38.27910105 +/- 3.8698 Geocenter to KBO 37.30443205 +/- 3.9714 # Hcoef: 8.55
The following table shows the complete astrometric record for 16FE59. 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 (16FE59) followed by the observatory code and reference code for the source of the astrometry.
2016 03 28.11677 11 41 45.16 -08 13 02.4 24.4V 16FE59 W84 C~1qoJ 2016 03 28.12371 11 41 45.17 -08 13 02.1 16FE59 W84 C~1qoJ 2016 03 28.13065 11 41 45.17 -08 13 02.0 16FE59 W84 C~1qoJ 2016 03 30.12414 11 41 35.62 -08 11 51.2 16FE59 W84 C~1qoJ 2016 03 30.13108 11 41 35.61 -08 11 51.3 16FE59 W84 C~1qoJ 2016 03 30.13802 11 41 35.61 -08 11 51.5 16FE59 W84 C~1qoJ 2016 03 31.08553 11 41 31.08 -08 11 17.6 16FE59 W84 C~1qoJ 2016 03 31.09247 11 41 31.08 -08 11 17.7 16FE59 W84 C~1qoJ 2016 03 31.09941 11 41 31.09 -08 11 17.8 16FE59 W84 C~1qoJ 2016 04 01.08037 11 41 26.42 -08 10 42.1 16FE59 W84 C~1qoJ 2016 04 01.08731 11 41 26.42 -08 10 42.2 16FE59 W84 C~1qoJ 2016 04 01.09425 11 41 26.43 -08 10 42.2 16FE59 W84 C~1qoJ
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 -0.50 0.00 -0.25
2 0.0000 0.02 0.07 0.33 0.06
3 0.0000 -0.02 0.59 0.43 0.13
4 0.0055 -158.31 -0.64 8.27 0.32
5 0.0055 -158.40 -0.19 8.12 0.15
6 0.0055 -158.32 0.45 7.94 -0.06
7 0.0081 -233.53 -0.59 11.95 -0.09
8 0.0081 -233.49 0.00 11.85 -0.21
9 0.0082 -233.32 0.73 11.82 -0.27
10 0.0109 -311.16 -0.60 16.64 0.14
11 0.0109 -311.12 -0.01 16.54 0.02
12 0.0109 -310.98 0.67 16.60 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.
16FE59 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