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 Mon Apr 28 01:10:45 2025 # Orbit generated from Bernstein formalism # Fitting 14 observations of 14 # Arc: 24.13d # First observation: 2016/01/15 # Last observation: 2016/02/08 Preliminary a, adot, b, bdot, g, gdot: -0.000001 0.039234 -0.000001 -0.013039 0.032856 0.000000 # WARNING Fitting with energy constraint # Chi-squared of fit: 9.49 DOF: 23 RMS: 0.15 # Min/Max residuals: -0.23 0.28 # Exact a, adot, b, bdot, g, gdot: 1.745284E-05 3.894432E-02 -7.042526E-06 -1.301498E-02 3.274300E-02 6.889204E-04 # Covariance matrix: 2.2573E-12 4.1078E-09 1.4955E-13 1.8101E-10 6.7202E-10 6.6733E-09 4.1078E-09 8.6006E-06 3.1275E-10 3.7954E-07 1.4036E-06 1.2891E-05 1.4955E-13 3.1275E-10 3.0065E-13 9.1921E-12 5.1046E-11 4.7054E-10 1.8101E-10 3.7954E-07 9.1921E-12 1.7003E-08 6.1694E-08 4.1957E-07 6.7202E-10 1.4036E-06 5.1046E-11 6.1694E-08 2.2953E-07 2.3711E-06 6.6733E-09 1.2891E-05 4.7054E-10 4.1957E-07 2.3711E-06 1.7954E-04 # 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: 0.31675 +/- 52.199 Argument of Peri: 214.48247 +/- 90.704 Long of Asc Node: 283.53252 +/- 2.187 Inclination: 22.37430 +/- 1.190 Eccentricity: 0.25636926 +/- 0.1185 Semi-Major Axis: 42.26186588 +/- 6.0761 Time of Perihelion: 2457312.2065 +/- 14550.7 Perihelion: 31.42722276 +/- 6.7439 Aphelion: 53.09650899 +/- 9.1291 Period (y) 274.7459 +/- 59.25 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -22.24714054 +/- 0.3195 Ecliptic Y 21.10809084 +/- 0.2958 Ecliptic Z -6.87047461 +/- 0.1005 Ecliptic XDOT -0.00207410 +/- 0.0009 Ecliptic YDOT -0.00252500 +/- 0.0007 Ecliptic ZDOT -0.00107331 +/- 0.0002 # Distances at JD0 (AU) Heliocenter to KBO 31.42753860 +/- 0.3018 Geocenter to KBO 30.54088293 +/- 0.4469 # Hcoef: 10.09
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
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 0.16
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 -0.23 -1.46 -0.22
5 0.0002 -6.73 -0.16 -1.54 -0.09
6 0.0604 -2051.27 -0.04 -283.51 0.11
7 0.0605 -2053.94 -0.07 -284.00 -0.17
8 0.0605 -2054.00 0.13 -283.81 0.04
9 0.0605 -2055.00 0.19 -284.12 -0.17
10 0.0606 -2056.18 -0.20 -283.85 0.16
11 0.0659 -2242.18 -0.02 -298.26 -0.08
12 0.0659 -2242.21 0.16 -298.16 0.03
13 0.0659 -2244.61 -0.11 -298.48 -0.12
14 0.0661 -2248.69 -0.04 -298.47 0.20
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: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