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: 16CR433 # Created Wed May 21 01:10:47 2025 # Orbit generated from Bernstein formalism # Fitting 18 observations of 18 # Arc: 59.99d # First observation: 2016/01/15 # Last observation: 2016/03/15 Preliminary a, adot, b, bdot, g, gdot: -0.000031 0.046112 0.000011 -0.013127 0.033819 0.000000 # Chi-squared of fit: 14.11 DOF: 30 RMS: 0.16 # Min/Max residuals: -0.35 0.28 # Exact a, adot, b, bdot, g, gdot: 1.771239E-05 3.963067E-02 -6.994626E-06 -1.298433E-02 3.285410E-02 1.181568E-03 # Covariance matrix: 2.9249E-13 1.6776E-12 1.8920E-14 -4.4072E-13 1.2853E-12 1.6576E-10 1.6776E-12 1.6830E-08 4.0522E-11 -4.2193E-10 2.6062E-09 -4.3665E-08 1.8920E-14 4.0522E-11 2.9180E-13 -2.7150E-12 6.3687E-12 -8.6110E-11 -4.4072E-13 -4.2193E-10 -2.7150E-12 3.6581E-11 -6.8206E-11 4.6690E-10 1.2853E-12 2.6062E-09 6.3687E-12 -6.8206E-11 4.1014E-10 -5.4177E-09 1.6576E-10 -4.3665E-08 -8.6110E-11 4.6690E-10 -5.4177E-09 4.2101E-07 # lat0 lon0 xBary yBary zBary JD0 -13.000055 137.215609 0.384545 -0.203437 -0.882043 2457402.892739 # Heliocentric elements and errors Epoch: 2457400.5000 = 2016/01/13 Mean Anomaly: 1.86962 +/- 2.167 Argument of Peri: 212.01329 +/- 4.093 Long of Asc Node: 283.01987 +/- 0.081 Inclination: 22.09938 +/- 0.043 Eccentricity: 0.28385681 +/- 0.0046 Semi-Major Axis: 43.72208579 +/- 0.2663 Time of Perihelion: 2456852.0959 +/- 635.5 Perihelion: 31.31127383 +/- 0.2758 Aphelion: 56.13289774 +/- 0.3957 Period (y) 289.1076 +/- 2.64 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -22.17328602 +/- 0.0134 Ecliptic Y 21.03972986 +/- 0.0124 Ecliptic Z -6.84723849 +/- 0.0042 Ecliptic XDOT -0.00213572 +/- 0.0000 Ecliptic YDOT -0.00253090 +/- 0.0000 Ecliptic ZDOT -0.00107642 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 31.32426409 +/- 0.0127 Geocenter to KBO 30.43759871 +/- 0.0188 # Hcoef: 10.11
The following table shows the complete astrometric record for 16CR433. 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 (16CR433) followed by the observatory code and reference code for the source of the astrometry.
2016 01 15.39195 09 02 59.25 +03 15 37.1 24.5z 16CR433 T09 C~8ne5 2016 01 15.39539 09 02 59.22 +03 15 37.2 24.7z 16CR433 T09 C~8ne5 2016 01 15.43823 09 02 58.95 +03 15 37.4 24.0z 16CR433 T09 C~8ne5 2016 01 15.45214 09 02 58.85 +03 15 37.4 24.7z 16CR433 T09 C~8ne5 2016 01 15.46329 09 02 58.79 +03 15 37.6 24.2z 16CR433 T09 C~8ne5 2016 02 06.46478 09 00 42.72 +03 21 05.2 25.0i 16CR433 T09 C~8ne5 2016 02 06.49177 09 00 42.54 +03 21 05.5 24.4i 16CR433 T09 C~8ne5 2016 02 06.49445 09 00 42.54 +03 21 05.7 24.7i 16CR433 T09 C~8ne5 2016 02 06.50535 09 00 42.47 +03 21 05.7 24.8i 16CR433 T09 C~8ne5 2016 02 06.51344 09 00 42.40 +03 21 06.3 25.0i 16CR433 T09 C~8ne5 2016 02 08.45290 09 00 30.24 +03 21 46.8 25.8r 16CR433 T09 C~8ne5 2016 02 08.45502 09 00 30.24 +03 21 46.9 25.6r 16CR433 T09 C~8ne5 2016 02 08.47700 09 00 30.08 +03 21 47.3 25.3r 16CR433 T09 C~8ne5 2016 02 08.51955 09 00 29.82 +03 21 48.5 25.3r 16CR433 T09 C~8ne5 2016 03 14.384078 08 57 17.21 +03 37 02.8 16CR433 T09 C~8r7V 2016 03 15.242869 08 57 13.51 +03 37 27.5 16CR433 T09 C~8r7V 2016 03 15.291067 08 57 13.31 +03 37 29.1 16CR433 T09 C~8r7V 2016 03 15.386312 08 57 12.91 +03 37 31.7 16CR433 T09 C~8r7V
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 0.28 0.00 0.15
2 0.0000 -0.46 0.12 -0.04 0.18
3 0.0001 -4.38 -0.02 -1.03 -0.03
4 0.0002 -5.82 -0.22 -1.46 -0.22
5 0.0002 -6.73 -0.16 -1.54 -0.09
6 0.0604 -2051.27 -0.05 -283.51 0.12
7 0.0605 -2053.94 -0.08 -284.00 -0.15
8 0.0605 -2054.00 0.12 -283.81 0.06
9 0.0605 -2055.00 0.18 -284.12 -0.15
10 0.0606 -2056.18 -0.20 -283.85 0.18
11 0.0659 -2242.18 -0.01 -298.26 -0.10
12 0.0659 -2242.21 0.16 -298.16 0.01
13 0.0659 -2244.61 -0.10 -298.48 -0.14
14 0.0661 -2248.69 -0.03 -298.47 0.18
15 0.1615 -5274.81 0.13 -264.21 -0.35
16 0.1639 -5335.03 -0.19 -256.69 -0.06
17 0.1640 -5338.37 -0.10 -256.03 0.21
18 0.1643 -5344.85 0.16 -255.29 0.19
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.
16CR433 quality flag:1 Type: CENTAURR CENTAURS 5:3EE axisobj 43.571 44.531 42.678 ecceobj 0.280 0.299 0.263 incobj 22.090 22.012 22.198 qmin 29.021 29.311 30.321 qmax 62.059 59.618 55.273 amean 44.300 43.397 42.326 amin 42.398 42.273 41.788 amax 46.737 45.164 42.966 emean 0.310 0.276 0.240 emin 0.261 0.235 0.202 emax 0.349 0.328 0.286 imean 23.050 23.933 24.568 imin 21.924 21.807 22.981 imax 24.376 25.388 25.682 excite_mean 0.500 0.491 0.481 fracstop 0.604 1.000 1.000 cjmean 2.799 2.801 2.804 libcent 0 -180.0 -180.0 184.4 libamp 0 -180.0 -180.0 163.2 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 204.4 183.5 167.9 kozaiamp 180.0 180.0 180.0