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: 15TF362 # Created Wed Dec 4 02:10:26 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 18 observations of 18 # Arc: 5.22y # First observation: 2013/09/10 # Last observation: 2018/11/30 # Chi-squared of fit: 6.31 DOF: 30 RMS: 0.10 # Min/Max residuals: -0.24 0.24 # Exact a, adot, b, bdot, g, gdot: 1.399600E-05 2.085351E-02 -8.159156E-06 -1.105698E-02 2.285869E-02 -8.348630E-03 # Covariance matrix: 4.8302E-13 -1.9819E-13 -5.8009E-14 7.0488E-14 2.1122E-13 -1.2053E-12 -1.9819E-13 2.1671E-13 9.5084E-14 -1.0671E-13 1.3136E-13 1.7928E-12 -5.8009E-14 9.5084E-14 3.2643E-13 -1.4316E-13 7.2708E-14 9.5196E-13 7.0488E-14 -1.0671E-13 -1.4316E-13 1.0156E-13 -7.0107E-14 -1.0717E-12 2.1122E-13 1.3136E-13 7.2708E-14 -7.0107E-14 7.2230E-13 1.1329E-12 -1.2053E-12 1.7928E-12 9.5196E-13 -1.0717E-12 1.1329E-12 1.8019E-11 # lat0 lon0 xBary yBary zBary JD0 -6.864183 18.903629 0.525222 -0.102691 -0.853919 2456545.866278 # Heliocentric elements and errors Epoch: 2456546.5000 = 2013/09/11 Mean Anomaly: 336.46991 +/- 0.013 Argument of Peri: 260.13480 +/- 0.017 Long of Asc Node: 185.83932 +/- 0.000 Inclination: 28.81908 +/- 0.000 Eccentricity: 0.48232072 +/- 0.0002 Semi-Major Axis: 69.50320602 +/- 0.0247 Time of Perihelion: 2470379.8309 +/- 105.8 Perihelion: 35.98036970 +/- 0.0198 Aphelion: 103.02604234 +/- 0.0396 Period (y) 579.4493 +/- 0.31 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 42.07419720 +/- 0.0015 Ecliptic Y 13.85624781 +/- 0.0005 Ecliptic Z -5.22886141 +/- 0.0002 Ecliptic XDOT -0.00190434 +/- 0.0000 Ecliptic YDOT 0.00198890 +/- 0.0000 Ecliptic ZDOT -0.00119519 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 44.60491002 +/- 0.0015 Geocenter to KBO 43.74732320 +/- 0.0016 # Hcoef: 7.33
The following table shows the complete astrometric record for 15TF362. 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 (15TF362) followed by the observatory code and reference code for the source of the astrometry.
2013 09 10.36550 01 20 10.111 +01 02 53.43 24.0r 15TF362 W84 C~52RO 2013 10 02.29121 01 18 48.564 +00 50 51.39 23.7g 15TF362 W84 C~52RO 2013 11 08.20827 01 16 19.461 +00 32 35.90 23.3r 15TF362 W84 C~52RO 2014 10 28.22306 01 22 27.906 +00 28 56.42 23.9i 15TF362 W84 C~52RO 2015 09 04.31106 01 31 26.311 +00 49 31.17 23.5i 15TF362 W84 C~52RO 2015 10 10.314794 01 29 14.877 +00 29 32.19 24.0r 15TF362 568 C~2TuV 2015 10 10.339640 01 29 14.771 +00 29 31.36 23.7r 15TF362 568 C~2TuV 2015 10 10.382475 01 29 14.590 +00 29 29.94 23.5r 15TF362 568 C~2TuV 2015 10 10.414726 01 29 14.450 +00 29 28.89 23.6r 15TF362 568 C~2TuV 2015 10 14.294727 01 28 58.103 +00 27 22.57 24.4g 15TF362 568 C~2TuV 2015 10 14.319715 01 28 57.990 +00 27 21.75 24.5g 15TF362 568 C~2TuV 2015 10 14.362408 01 28 57.810 +00 27 20.31 24.6g 15TF362 568 C~2TuV 2015 10 14.394438 01 28 57.671 +00 27 19.34 24.3g 15TF362 568 C~2TuV 2016 10 28.24802 01 33 32.079 +00 10 55.82 23.5r 15TF362 W84 C~52RO 2016 10 28.24939 01 33 32.069 +00 10 55.42 24.1g 15TF362 W84 C~52RO 2017 09 14.30539 01 42 11.854 +00 26 10.09 22.3z 15TF362 W84 C~52RO 2018 09 11.37224 01 48 09.562 +00 18 56.03 23.5i 15TF362 W84 C~52RO 2018 11 30.07262 01 42 56.831 -00 19 24.10 23.4r 15TF362 W84 C~52RO
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 0.04 0.00 0.13
2 0.0600 0.00 -0.15 0.00 -0.09
3 0.1611 0.00 0.08 0.00 0.11
4 1.1303 0.00 -0.05 0.00 0.08
5 1.9821 0.00 -0.02 0.00 -0.19
6 2.0806 0.00 0.07 0.00 0.01
7 2.0807 0.00 0.07 0.00 -0.00
8 2.0808 0.00 0.09 0.00 -0.01
9 2.0809 0.00 0.06 0.00 -0.00
10 2.0915 0.00 0.04 0.00 0.03
11 2.0916 0.00 -0.05 0.00 0.02
12 2.0917 0.00 0.00 0.00 -0.05
13 2.0918 0.00 -0.02 0.00 0.01
14 3.1318 0.00 0.03 0.00 0.12
15 3.1318 0.00 -0.03 0.00 -0.24
16 4.0108 0.00 -0.21 0.00 -0.14
17 5.0021 0.00 0.24 0.00 0.08
18 5.2203 0.00 -0.11 0.00 0.16
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.
15TF362 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 69.928 69.928 69.929 ecceobj 0.483 0.483 0.483 incobj 28.728 28.728 28.728 qmin 35.234 35.234 35.284 qmax 104.648 104.429 104.588 amean 69.065 69.061 69.066 amin 68.152 68.133 68.189 amax 70.310 70.294 70.321 emean 0.468 0.468 0.468 emin 0.448 0.448 0.448 emax 0.489 0.488 0.489 imean 29.171 29.177 29.169 imin 28.362 28.361 28.363 imax 30.172 30.161 30.162 excite_mean 0.676 0.676 0.676 fracstop 1.000 1.000 1.000 cjmean 2.772 2.772 2.772 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 179.0 178.1 179.2 kozaiamp 180.0 180.0 180.0