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: 13JU63 # Created Tue Apr 1 01:09:30 2025 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 45 observations of 45 # Arc: 5.01y # First observation: 2012/05/14 # Last observation: 2017/05/19 # Chi-squared of fit: 48.40 DOF: 84 RMS: 0.18 # Min/Max residuals: -0.63 0.53 # Exact a, adot, b, bdot, g, gdot: 1.687212E-05 3.166542E-02 -6.238441E-07 1.402889E-03 2.773969E-02 -3.486465E-03 # Covariance matrix: 1.4398E-13 -9.4780E-14 1.4512E-15 -2.6351E-15 -2.7397E-14 -4.3511E-13 -9.4780E-14 1.2587E-13 -2.7372E-15 4.8821E-15 6.1219E-14 8.1177E-13 1.4512E-15 -2.7372E-15 1.1213E-13 -3.5972E-14 -2.1726E-15 -2.0531E-14 -2.6351E-15 4.8821E-15 -3.5972E-14 1.6641E-14 2.5505E-15 3.6147E-14 -2.7397E-14 6.1219E-14 -2.1726E-15 2.5505E-15 1.9164E-13 5.1014E-13 -4.3511E-13 8.1177E-13 -2.0531E-14 3.6147E-14 5.1014E-13 6.0411E-12 # lat0 lon0 xBary yBary zBary JD0 -3.562615 -135.504444 -0.163384 -0.062210 -0.998667 2456061.907656 # Heliocentric elements and errors Epoch: 2456062.5000 = 2012/05/15 Mean Anomaly: 342.43814 +/- 0.011 Argument of Peri: 336.62504 +/- 0.019 Long of Asc Node: 278.16813 +/- 0.002 Inclination: 4.31426 +/- 0.000 Eccentricity: 0.25627816 +/- 0.0001 Semi-Major Axis: 48.43869463 +/- 0.0044 Time of Perihelion: 2462069.4635 +/- 16.4 Perihelion: 36.02491520 +/- 0.0047 Aphelion: 60.85247406 +/- 0.0065 Period (y) 337.1296 +/- 0.05 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -26.26073359 +/- 0.0004 Ecliptic Y -26.03293676 +/- 0.0004 Ecliptic Z -2.24006236 +/- 0.0000 Ecliptic XDOT 0.00242415 +/- 0.0000 Ecliptic YDOT -0.00199115 +/- 0.0000 Ecliptic ZDOT 0.00015968 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 37.04541617 +/- 0.0004 Geocenter to KBO 36.04953818 +/- 0.0006 # Hcoef: 7.33
The following table shows the complete astrometric record for 13JU63. 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 (13JU63) followed by the observatory code and reference code for the source of the astrometry.
2012 05 14.40689 14 43 40.090 -19 35 17.32 23.1G 13JU63 F51 C~2r7P 2012 05 19.38514 14 43 14.185 -19 33 11.69 22.8G 13JU63 F51 C~2r7P 2012 05 19.40061 14 43 14.126 -19 33 11.46 23.2G 13JU63 F51 C~2r7P 2012 05 19.41608 14 43 14.030 -19 33 10.90 22.6G 13JU63 F51 C~2r7P 2012 05 19.43155 14 43 13.965 -19 33 10.61 22.4G 13JU63 F51 C~2r7P 2012 05 20.37083 14 43 09.162 -19 32 46.71 22.6G 13JU63 F51 C~2r7P 2012 05 20.38542 14 43 09.085 -19 32 46.47 23.0G 13JU63 F51 C~2r7P 2012 05 20.40002 14 43 09.009 -19 32 46.29 23.1G 13JU63 F51 C~2r7P 2012 05 20.41462 14 43 08.936 -19 32 45.81 22.5G 13JU63 F51 C~2r7P 2013 05 08.08899 14 51 44.377 -20 05 35.87 22.3r 13JU63 807 C~143e 2013 05 08.17722 14 51 43.870 -20 05 33.88 13JU63 807 C~143e 2013 05 08.28150 14 51 43.308 -20 05 31.08 13JU63 807 C~143e 2013 05 09.12531 14 51 38.731 -20 05 10.61 13JU63 304 C~143e 2014 04 29.42739 15 00 07.875 -20 35 31.15 22.9G 13JU63 F51 C~2r7P 2014 05 01.32346 14 59 57.646 -20 34 48.90 13JU63 304 C~143e 2014 05 02.35350 14 59 52.073 -20 34 25.75 22.2r 13JU63 304 C~143e 2014 05 02.38489 14 59 51.907 -20 34 25.15 13JU63 304 C~143e 2014 05 07.41426 14 59 24.574 -20 32 30.45 22.8G 13JU63 F51 C~2r7P 2014 05 23.34239 14 57 58.998 -20 26 11.70 22.7G 13JU63 F51 C~2r7P 2014 06 04.30393 14 56 59.396 -20 21 28.23 22.7G 13JU63 F51 C~2r7P 2014 06 30.27751 14 55 19.516 -20 12 30.59 23.2G 13JU63 F51 C~2r7P 2014 06 30.30126 14 55 19.406 -20 12 29.97 22.7G 13JU63 F51 C~2r7P 2014 06 30.31315 14 55 19.353 -20 12 29.74 13JU63 F51 C~2r7P 2015 01 21.66428 15 10 35.644 -21 05 58.60 23.0G 13JU63 F51 C~2r7P 2015 01 23.65447 15 10 42.275 -21 06 33.19 23.1G 13JU63 F51 C~2r7P 2015 02 23.65219 15 11 27.656 -21 11 55.65 23.2G 13JU63 F51 C~2r7P 2015 02 24.63590 15 11 27.262 -21 11 58.80 22.9G 13JU63 F51 C~2r7P 2015 03 30.56709 15 10 11.631 -21 09 20.09 23.1G 13JU63 F51 C~2r7P 2015 05 24.42830 15 05 34.510 -20 51 32.89 22.8G 13JU63 F51 C~2r7P 2015 05 25.39434 15 05 29.416 -20 51 10.43 22.6G 13JU63 F51 C~2r7P 2015 06 08.42072 15 04 19.660 -20 45 48.58 22.3G 13JU63 F51 C~2r7P 2015 06 18.33989 15 03 36.718 -20 42 15.13 22.9G 13JU63 F51 C~2r7P 2015 06 19.28987 15 03 32.959 -20 41 55.58 23.2G 13JU63 F51 C~2r7P 2015 06 19.30175 15 03 32.919 -20 41 55.33 22.9G 13JU63 F51 C~2r7P 2015 06 19.31367 15 03 32.866 -20 41 54.98 22.4G 13JU63 F51 C~2r7P 2015 06 19.32555 15 03 32.800 -20 41 54.69 22.4G 13JU63 F51 C~2r7P 2015 06 23.31528 15 03 17.778 -20 40 35.28 22.5G 13JU63 F51 C~2r7P 2016 03 07.59900 15 18 55.259 -21 35 18.37 22.9G 13JU63 F51 C~2r7P 2016 03 17.56459 15 18 34.636 -21 34 41.38 23.5G 13JU63 F51 C~2r7P 2016 04 01.59152 15 17 45.538 -21 32 28.40 22.0G 13JU63 F51 C~2r7P 2016 05 07.45920 15 14 49.112 -21 22 07.52 22.7G 13JU63 F51 C~2r7P 2016 05 29.22878 15 12 50.835 -21 14 02.58 21.9R 13JU63 G37 C~2bms 2016 05 29.30285 15 12 50.429 -21 14 00.96 13JU63 G37 C~2bms 2017 04 26.52350 15 23 41.506 -21 48 53.54 23.3G 13JU63 F51 C~2r7P 2017 05 19.42482 15 21 35.955 -21 41 09.89 23.2G 13JU63 F51 C~2r7P
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 0.34 0.00 0.21
2 0.0136 0.00 -0.17 0.00 0.08
3 0.0137 0.00 0.15 0.00 -0.08
4 0.0137 0.00 -0.07 0.00 0.08
5 0.0138 0.00 0.16 0.00 -0.02
6 0.0163 0.00 0.05 0.00 0.19
7 0.0164 0.00 0.04 0.00 0.06
8 0.0164 0.00 0.03 0.00 -0.13
9 0.0164 0.00 0.08 0.00 -0.02
10 0.9820 0.00 -0.02 0.00 -0.12
11 0.9823 0.00 -0.36 0.00 -0.25
12 0.9825 0.00 -0.19 0.00 0.02
13 0.9849 0.00 -0.63 0.00 0.09
14 1.9576 0.00 -0.06 0.00 -0.14
15 1.9628 0.00 0.03 0.00 -0.06
16 1.9656 0.00 0.09 0.00 0.03
17 1.9657 0.00 0.17 0.00 -0.09
18 1.9795 0.00 0.23 0.00 -0.07
19 2.0231 0.00 0.01 0.00 -0.10
20 2.0558 0.00 0.31 0.00 -0.20
21 2.1270 0.00 0.53 0.00 -0.24
22 2.1270 0.00 -0.07 0.00 -0.03
23 2.1271 0.00 -0.35 0.00 -0.01
24 2.6893 0.00 0.05 0.00 -0.03
25 2.6947 0.00 0.03 0.00 0.02
26 2.7796 0.00 0.17 0.00 0.02
27 2.7823 0.00 -0.08 0.00 0.01
28 2.8752 0.00 0.19 0.00 0.24
29 3.0254 0.00 -0.08 0.00 0.11
30 3.0280 0.00 -0.22 0.00 0.01
31 3.0664 0.00 -0.26 0.00 -0.06
32 3.0936 0.00 -0.08 0.00 -0.02
33 3.0962 0.00 -0.08 0.00 0.06
34 3.0962 0.00 0.04 0.00 0.07
35 3.0963 0.00 -0.03 0.00 0.17
36 3.0963 0.00 -0.31 0.00 0.22
37 3.1072 0.00 0.11 0.00 0.11
38 3.8144 0.00 0.15 0.00 0.06
39 3.8416 0.00 -0.28 0.00 0.27
40 3.8828 0.00 -0.13 0.00 -0.37
41 3.9810 0.00 0.14 0.00 0.25
42 4.0406 0.00 0.46 0.00 -0.10
43 4.0408 0.00 0.24 0.00 -0.15
44 4.9504 0.00 -0.08 0.00 -0.02
45 5.0131 0.00 -0.21 0.00 -0.07
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.
13JU63 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 48.288 48.288 48.288 ecceobj 0.255 0.255 0.255 incobj 4.312 4.312 4.312 qmin 35.303 35.264 35.292 qmax 62.644 62.681 62.643 amean 48.686 48.693 48.693 amin 48.151 48.119 48.106 amax 49.240 49.247 49.269 emean 0.257 0.257 0.257 emin 0.240 0.239 0.238 emax 0.274 0.274 0.273 imean 6.346 6.347 6.347 imin 5.306 5.308 5.306 imax 7.548 7.572 7.573 excite_mean 0.280 0.280 0.280 fracstop 1.000 1.000 1.000 cjmean 3.061 3.061 3.061 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 176.4 176.2 176.4 kozaiamp 179.9 179.9 179.9