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: 16FM59 # Created Tue Apr 23 01:17:48 2024 # Orbit generated from Bernstein formalism # Fitting 9 observations of 9 # Arc: 2.98d # First observation: 2016/03/28 # Last observation: 2016/03/31 # WARNING Fitting with energy constraint # WARNING and with gdot fixed = 0 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 48.28 DOF: 14 RMS: 0.41 # Min/Max residuals: -0.77 0.82 # Exact a, adot, b, bdot, g, gdot: 1.842646E-05 2.914862E-02 9.113481E-06 1.760871E-02 3.132490E-02 0.000000E+00 # Covariance matrix: 8.4654E-11 1.6678E-07 5.0518E-14 -8.0696E-10 2.6555E-08 0.0000E+00 1.6678E-07 3.2995E-04 9.9934E-11 -1.5959E-06 5.2517E-05 0.0000E+00 5.0518E-14 9.9934E-11 2.9903E-13 -4.4433E-11 1.5906E-11 0.0000E+00 -8.0696E-10 -1.5959E-06 -4.4433E-11 2.1947E-08 -2.5403E-07 0.0000E+00 2.6555E-08 5.2517E-05 1.5906E-11 -2.5403E-07 8.3594E-06 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 4.0447E-04 # lat0 lon0 xBary yBary zBary JD0 -7.760683 -173.682141 -0.023955 -0.134051 -0.984861 2457475.764259 # Heliocentric elements and errors Epoch: 2457470.5000 = 2016/03/23 Mean Anomaly: 163.95080 +/- 150.506 Argument of Peri: 181.31843 +/- 142.276 Long of Asc Node: 198.62496 +/- 7.423 Inclination: 31.88423 +/- 15.382 Eccentricity: 0.01110293 +/- 0.6260 Semi-Major Axis: 32.56471986 +/- 17.3432 Time of Perihelion: 2426558.2587 +/- 570855.5 Perihelion: 32.20315590 +/- 26.6404 Aphelion: 32.92628381 +/- 26.8899 Period (y) 185.8357 +/- 148.46 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -32.42799635 +/- 2.9018 Ecliptic Y -3.61660032 +/- 0.3210 Ecliptic Z -4.31052598 +/- 0.3979 Ecliptic XDOT 0.00007385 +/- 0.0017 Ecliptic YDOT -0.00256202 +/- 0.0014 Ecliptic ZDOT 0.00152494 +/- 0.0003 # Distances at JD0 (AU) Heliocenter to KBO 32.91254136 +/- 2.8598 Geocenter to KBO 31.92348214 +/- 2.9465 # Hcoef: 9.23
The following table shows the complete astrometric record for 16FM59. 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 (16FM59) followed by the observatory code and reference code for the source of the astrometry.
2016 03 28.26347 12 10 46.35 -09 37 43.8 24.4V 16FM59 W84 C~1qoK 2016 03 28.27041 12 10 46.36 -09 37 43.8 16FM59 W84 C~1qoK 2016 03 28.27735 12 10 46.35 -09 37 43.7 16FM59 W84 C~1qoK 2016 03 29.21372 12 10 41.05 -09 36 58.7 16FM59 W84 C~1qoK 2016 03 29.22066 12 10 41.06 -09 36 58.7 16FM59 W84 C~1qoK 2016 03 29.22760 12 10 41.06 -09 36 58.7 16FM59 W84 C~1qoK 2016 03 31.23064 12 10 29.80 -09 35 22.6 16FM59 W84 C~1qoK 2016 03 31.23758 12 10 29.79 -09 35 22.6 16FM59 W84 C~1qoK 2016 03 31.24452 12 10 29.80 -09 35 22.7 16FM59 W84 C~1qoK
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 -0.77 0.00 -0.05
2 0.0000 0.14 0.04 0.06 -0.05
3 0.0000 -0.04 0.53 0.09 -0.09
4 0.0026 -89.89 -0.65 9.88 0.12
5 0.0026 -89.75 0.15 9.94 0.12
6 0.0026 -89.75 0.82 9.94 0.05
7 0.0081 -280.85 -0.67 31.17 0.09
8 0.0081 -280.99 -0.14 31.11 -0.04
9 0.0082 -280.81 0.70 31.08 -0.14
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.
16FM59 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