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: 14YS72 # Created Wed Dec 25 02:10:09 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 29 observations of 29 # Arc: 5.83y # First observation: 2014/12/20 # Last observation: 2020/10/20 # Chi-squared of fit: 7.92 DOF: 52 RMS: 0.09 # Min/Max residuals: -0.19 0.26 # Exact a, adot, b, bdot, g, gdot: 2.105416E-05 3.983149E-02 -1.000661E-06 -2.252186E-03 3.086043E-02 -5.318502E-03 # Covariance matrix: 3.2239E-13 -1.5718E-13 -2.3191E-14 6.6846E-15 -1.2079E-13 -4.6768E-13 -1.5718E-13 1.7371E-13 8.3800E-15 -1.2484E-14 5.6203E-15 6.1094E-13 -2.3191E-14 8.3800E-15 1.3123E-13 -4.0701E-14 1.8884E-14 3.3797E-14 6.6846E-15 -1.2484E-14 -4.0701E-14 2.1532E-14 2.6604E-15 -4.9697E-14 -1.2079E-13 5.6203E-15 1.8884E-14 2.6604E-15 1.2896E-13 2.5132E-14 -4.6768E-13 6.1094E-13 3.3797E-14 -4.9697E-14 2.5132E-14 2.4353E-12 # lat0 lon0 xBary yBary zBary JD0 -24.036241 14.746163 -0.940284 -0.116713 -0.262195 2457011.637738 # Heliocentric elements and errors Epoch: 2457012.5000 = 2014/12/21 Mean Anomaly: 352.16876 +/- 0.003 Argument of Peri: 285.01243 +/- 0.008 Long of Asc Node: 112.73300 +/- 0.001 Inclination: 23.94622 +/- 0.000 Eccentricity: 0.41672470 +/- 0.0000 Semi-Major Axis: 54.96420110 +/- 0.0053 Time of Perihelion: 2460250.2720 +/- 21.2 Perihelion: 32.05926089 +/- 0.0041 Aphelion: 77.86914130 +/- 0.0080 Period (y) 407.5004 +/- 0.06 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 28.65463143 +/- 0.0003 Ecliptic Y 8.51674937 +/- 0.0001 Ecliptic Z -13.19869492 +/- 0.0002 Ecliptic XDOT -0.00139896 +/- 0.0000 Ecliptic YDOT 0.00328178 +/- 0.0000 Ecliptic ZDOT 0.00000980 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 32.67771476 +/- 0.0003 Geocenter to KBO 32.40408871 +/- 0.0004 # Hcoef: 8.14
The following table shows the complete astrometric record for 14YS72. 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 (14YS72) followed by the observatory code and reference code for the source of the astrometry.
2014 12 20.13696 01 32 05.334 -16 20 01.94 24.2g 14YS72 W84 C~4yVW 2014 12 20.13835 01 32 05.34 -16 20 01.7 23.2i 14YS72 W84 C~3cpk 2014 12 24.11262 01 31 59.230 -16 17 35.74 23.3i 14YS72 W84 C~4yVW 2015 01 12.07856 01 31 56.182 -16 03 00.08 23.6r 14YS72 W84 C~4yVW 2015 08 23.40484 01 49 55.632 -14 50 32.73 24.0g 14YS72 W84 C~4yVW 2015 08 24.40661 01 49 53.406 -14 51 23.79 23.1r 14YS72 W84 C~4yVW 2015 08 24.40797 01 49 53.398 -14 51 23.90 23.2i 14YS72 W84 C~4yVW 2015 09 13.28647 01 48 49.016 -15 08 16.69 23.2r 14YS72 W84 C~4yVW 2015 09 13.28785 01 48 49.016 -15 08 17.17 22.9i 14YS72 W84 C~4yVW 2015 10 07.20699 01 46 51.320 -15 26 12.20 22.4i 14YS72 W84 C~4yVW 2016 09 30.23233 01 56 29.599 -14 29 46.02 23.2r 14YS72 W84 C~4yVW 2016 09 30.23370 01 56 29.582 -14 29 46.29 22.8i 14YS72 W84 C~4yVW 2016 09 30.25720 01 56 29.466 -14 29 47.25 22.6r 14YS72 W84 C~4yVW 2016 09 30.25858 01 56 29.454 -14 29 47.20 22.3i 14YS72 W84 C~4yVW 2016 09 30.25995 01 56 29.445 -14 29 47.39 23.8g 14YS72 W84 C~4yVW 2016 10 01.35060 01 56 23.752 -14 30 33.99 22.9i 14YS72 W84 C~4yVW 2016 10 01.35196 01 56 23.752 -14 30 33.84 23.4r 14YS72 W84 C~4yVW 2016 10 02.23330 01 56 19.123 -14 31 11.06 23.1i 14YS72 W84 C~4yVW 2016 10 02.23468 01 56 19.111 -14 31 10.98 23.4r 14YS72 W84 C~4yVW 2016 10 02.23608 01 56 19.100 -14 31 11.12 23.8g 14YS72 W84 C~4yVW 2017 08 21.34763 02 07 52.420 -13 03 24.82 24.2g 14YS72 W84 C~4yVW 2017 12 15.10045 01 59 06.185 -13 51 15.20 23.0r 14YS72 W84 C~4yVW 2017 12 22.09393 01 58 47.246 -13 47 52.10 24.0g 14YS72 W84 C~4yVW 2017 12 22.13715 01 58 47.138 -13 47 50.67 23.1i 14YS72 W84 C~4yVW 2017 12 22.13852 01 58 47.134 -13 47 50.77 23.4r 14YS72 W84 C~4yVW 2018 09 21.33169 02 15 19.356 -12 33 21.69 22.7z 14YS72 W84 C~4yVW 2018 09 22.39391 02 15 14.767 -12 34 11.65 23.5i 14YS72 W84 C~4yVW 2020 10 20.303290 02 30 51.315 -10 58 28.11 23.1G 14YS72 G37 C~4Ky0 2020 10 20.355830 02 30 51.007 -10 58 29.96 14YS72 G37 C~4Ky0
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 -0.11 0.00 -0.08
2 0.0000 0.00 0.01 0.00 0.11
3 0.0109 0.00 -0.13 0.00 0.05
4 0.0628 0.00 0.11 0.00 0.05
5 0.6742 0.00 0.05 0.00 0.01
6 0.6770 0.00 -0.03 0.00 -0.01
7 0.6770 0.00 -0.11 0.00 -0.05
8 0.7314 0.00 -0.01 0.00 0.26
9 0.7314 0.00 0.08 0.00 -0.15
10 0.7969 0.00 0.06 0.00 -0.05
11 1.7799 0.00 0.14 0.00 0.11
12 1.7799 0.00 -0.00 0.00 -0.10
13 1.7799 0.00 0.12 0.00 -0.05
14 1.7799 0.00 0.05 0.00 0.06
15 1.7799 0.00 0.02 0.00 -0.08
16 1.7829 0.00 0.01 0.00 -0.15
17 1.7829 0.00 0.11 0.00 0.06
18 1.7853 0.00 0.05 0.00 -0.02
19 1.7853 0.00 -0.02 0.00 0.12
20 1.7854 0.00 -0.07 0.00 0.04
21 2.6700 0.00 -0.07 0.00 0.10
22 2.9869 0.00 0.15 0.00 0.02
23 3.0060 0.00 0.00 0.00 0.04
24 3.0062 0.00 -0.05 0.00 0.06
25 3.0062 0.00 -0.06 0.00 -0.08
26 3.7541 0.00 -0.19 0.00 -0.15
27 3.7570 0.00 0.03 0.00 -0.17
28 5.8348 0.00 0.04 0.00 0.15
29 5.8350 0.00 0.00 0.00 0.00
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.
14YS72 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 55.741 55.740 55.741 ecceobj 0.424 0.424 0.424 incobj 23.946 23.946 23.946 qmin 30.765 31.509 31.666 qmax 85.532 81.033 80.981 amean 56.419 55.469 55.456 amin 54.530 54.503 54.561 amax 58.875 56.664 56.656 emean 0.426 0.401 0.403 emin 0.383 0.372 0.382 emax 0.464 0.434 0.431 imean 22.534 23.602 23.448 imin 20.819 22.159 22.109 imax 24.171 24.846 24.284 excite_mean 0.573 0.567 0.567 fracstop 1.000 1.000 1.000 cjmean 2.820 2.821 2.821 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 185.2 182.8 181.7 kozaiamp 180.0 180.0 180.0