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: 13SN102 # Created Wed Dec 4 02:09:34 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 45 observations of 45 # Arc: 5.05y # First observation: 2013/09/29 # Last observation: 2018/10/18 # Chi-squared of fit: 9.34 DOF: 84 RMS: 0.08 # Min/Max residuals: -0.28 0.25 # Exact a, adot, b, bdot, g, gdot: 1.883754E-05 3.300979E-02 -7.231500E-07 -8.525216E-04 2.700721E-02 5.602367E-04 # Covariance matrix: 1.8507E-13 -4.2618E-14 -4.2829E-15 5.8645E-16 1.8105E-13 5.6287E-14 -4.2618E-14 1.4565E-13 2.4005E-16 -3.2927E-15 4.6101E-14 9.9948E-13 -4.2829E-15 2.4005E-16 7.0747E-14 -2.0076E-14 -7.1513E-15 -6.7791E-15 5.8645E-16 -3.2927E-15 -2.0076E-14 1.0776E-14 -1.0630E-15 -2.4314E-14 1.8105E-13 4.6101E-14 -7.1513E-15 -1.0630E-15 3.3754E-13 7.2212E-13 5.6287E-14 9.9948E-13 -6.7791E-15 -2.4314E-14 7.2212E-13 7.8527E-12 # lat0 lon0 xBary yBary zBary JD0 -4.315789 4.706596 -0.020977 -0.075277 -0.998878 2456564.727618 # Heliocentric elements and errors Epoch: 2456564.5000 = 2013/09/29 Mean Anomaly: 1.02793 +/- 0.006 Argument of Peri: 247.63571 +/- 0.016 Long of Asc Node: 114.21951 +/- 0.002 Inclination: 4.45637 +/- 0.000 Eccentricity: 0.43982838 +/- 0.0001 Semi-Major Axis: 67.85523984 +/- 0.0123 Time of Perihelion: 2455981.5440 +/- 3.2 Perihelion: 38.01057991 +/- 0.0092 Aphelion: 97.69989977 +/- 0.0188 Period (y) 558.9633 +/- 0.15 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 37.79379189 +/- 0.0008 Ecliptic Y 3.13582389 +/- 0.0001 Ecliptic Z -2.78647523 +/- 0.0001 Ecliptic XDOT -0.00023079 +/- 0.0000 Ecliptic YDOT 0.00333787 +/- 0.0000 Ecliptic ZDOT -0.00009031 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 38.02588185 +/- 0.0008 Geocenter to KBO 37.02717211 +/- 0.0008 # Hcoef: 7.28
The following table shows the complete astrometric record for 13SN102. 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 (13SN102) followed by the observatory code and reference code for the source of the astrometry.
2013 09 29.22684 00 24 07.524 -02 05 29.80 22.8r 13SN102 W84 C~4yR1 2013 09 29.22684 00 24 07.53 -02 05 29.8 22.9r 13SN102 W84 C~3clF 2013 10 13.16024 00 23 02.674 -02 12 19.71 22.8i 13SN102 W84 C~4yR1 2013 10 13.16024 00 23 02.67 -02 12 19.7 22.9i 13SN102 W84 C~3clF 2013 10 13.16306 00 23 02.665 -02 12 19.66 21.9z 13SN102 W84 C~4yR1 2013 10 13.16306 00 23 02.66 -02 12 19.8 22.3z 13SN102 W84 C~3clF 2013 11 22.11058 00 20 39.114 -02 25 09.97 23.2r 13SN102 W84 C~4yR1 2013 11 22.11058 00 20 39.12 -02 25 10.0 23.3r 13SN102 W84 C~3clF 2013 11 22.11478 00 20 39.110 -02 25 10.03 23.2i 13SN102 W84 C~4yR1 2013 11 22.11478 00 20 39.11 -02 25 10.1 23.4i 13SN102 W84 C~3clF 2013 11 22.14076 00 20 39.053 -02 25 10.33 23.0z 13SN102 W84 C~4yR1 2013 11 23.110081 00 20 36.91 -02 25 18.4 23.1r 13SN102 W84 C~35bY 2013 11 23.11061 00 20 36.913 -02 25 18.43 23.2r 13SN102 W84 C~4yR1 2013 11 23.111493 00 20 36.91 -02 25 18.3 22.8i 13SN102 W84 C~35bY 2013 11 23.11202 00 20 36.911 -02 25 18.30 23.0i 13SN102 W84 C~4yR1 2013 11 23.112882 00 20 36.90 -02 25 18.4 23.2r 13SN102 W84 C~35bY 2013 11 23.11341 00 20 36.901 -02 25 18.36 23.1r 13SN102 W84 C~4yR1 2013 11 23.114294 00 20 36.90 -02 25 18.4 22.7i 13SN102 W84 C~35bY 2013 11 23.11482 00 20 36.898 -02 25 18.37 22.8i 13SN102 W84 C~4yR1 2014 11 13.15009 00 28 00.837 -01 41 30.08 22.9z 13SN102 W84 C~4yR1 2014 11 14.09252 00 27 57.950 -01 41 44.03 22.3i 13SN102 W84 C~4yR1 2014 11 14.09252 00 27 57.95 -01 41 44.1 22.7i 13SN102 W84 C~3clF 2014 11 17.05295 00 27 49.230 -01 42 24.51 22.3z 13SN102 W84 C~4yR1 2014 11 17.05295 00 27 49.23 -01 42 24.5 22.5z 13SN102 W84 C~3clF 2015 10 17.15829 00 36 46.508 -00 49 28.07 23.0r 13SN102 W84 C~4yR1 2015 10 17.15829 00 36 46.51 -00 49 28.1 23.1r 13SN102 W84 C~3clF 2016 09 09.32049 00 46 33.944 +00 11 18.27 22.2z 13SN102 W84 C~4yR1 2016 09 09.32049 00 46 33.94 +00 11 18.3 22.3z 13SN102 W84 C~3clF 2016 11 05.197477 00 42 19.86 -00 15 21.8 23.4r 13SN102 W84 C~35bY 2016 11 05.198854 00 42 19.85 -00 15 22.0 23.2i 13SN102 W84 C~35bY 2016 11 08.11163 00 42 08.920 -00 16 19.27 23.0i 13SN102 W84 C~4yR1 2016 11 08.11163 00 42 08.92 -00 16 19.3 22.8i 13SN102 W84 C~3clF 2017 08 22.328194 00 54 34.20 +01 01 27.2 23.2i 13SN102 W84 C~35bY 2017 08 22.32872 00 54 34.213 +01 01 27.32 23.2i 13SN102 W84 C~4yR1 2017 08 22.329560 00 54 34.21 +01 01 27.3 23.4r 13SN102 W84 C~35bY 2017 08 22.33009 00 54 34.216 +01 01 27.32 23.2r 13SN102 W84 C~4yR1 2017 09 27.223484 00 52 12.39 +00 44 20.8 23.1r 13SN102 W84 C~35bY 2017 09 27.22401 00 52 12.390 +00 44 20.79 23.0r 13SN102 W84 C~4yR1 2017 09 27.224850 00 52 12.38 +00 44 20.8 22.9i 13SN102 W84 C~35bY 2017 09 27.22538 00 52 12.385 +00 44 20.77 22.9i 13SN102 W84 C~4yR1 2017 09 27.226215 00 52 12.38 +00 44 20.7 24.2g 13SN102 W84 C~35bY 2017 09 27.22675 00 52 12.380 +00 44 20.77 23.9g 13SN102 W84 C~4yR1 2017 10 20.16770 00 50 25.007 +00 33 07.04 22.9z 13SN102 W84 C~4yR1 2018 09 09.34683 01 00 26.065 +01 35 12.17 22.9z 13SN102 W84 C~4yR1 2018 10 18.20881 00 57 30.631 +01 15 59.99 22.9z 13SN102 W84 C~4yR1
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 0.07 0.00 0.08
2 0.0000 0.00 -0.02 0.00 0.08
3 0.0381 0.00 -0.06 0.00 0.02
4 0.0381 0.00 -0.12 0.00 0.03
5 0.0382 0.00 -0.07 0.00 0.01
6 0.0382 0.00 0.00 0.00 0.15
7 0.1475 0.00 -0.00 0.00 0.04
8 0.1475 0.00 0.09 0.00 0.01
9 0.1475 0.00 0.09 0.00 -0.05
10 0.1475 0.00 0.09 0.00 0.02
11 0.1476 0.00 0.13 0.00 -0.06
12 0.1503 0.00 -0.01 0.00 -0.07
13 0.1503 0.00 0.06 0.00 -0.10
14 0.1503 0.00 0.04 0.00 0.04
15 0.1503 0.00 0.07 0.00 0.04
16 0.1503 0.00 -0.06 0.00 -0.05
17 0.1503 0.00 -0.03 0.00 -0.01
18 0.1503 0.00 -0.01 0.00 -0.04
19 0.1503 0.00 -0.03 0.00 -0.01
20 1.1223 0.00 -0.19 0.00 0.02
21 1.1249 0.00 0.05 0.00 -0.09
22 1.1249 0.00 0.05 0.00 -0.02
23 1.1330 0.00 -0.13 0.00 -0.05
24 1.1330 0.00 -0.13 0.00 -0.06
25 2.0477 0.00 -0.02 0.00 -0.12
26 2.0477 0.00 -0.05 0.00 -0.09
27 2.9462 0.00 0.19 0.00 -0.00
28 2.9462 0.00 0.25 0.00 -0.03
29 3.1019 0.00 0.10 0.00 0.16
30 3.1019 0.00 0.03 0.00 -0.01
31 3.1099 0.00 -0.04 0.00 0.12
32 3.1099 0.00 -0.04 0.00 0.09
33 3.8962 0.00 -0.28 0.00 -0.10
34 3.8962 0.00 -0.06 0.00 0.03
35 3.8962 0.00 -0.07 0.00 0.03
36 3.8962 0.00 0.05 0.00 0.06
37 3.9945 0.00 0.01 0.00 -0.00
38 3.9945 0.00 0.05 0.00 0.00
39 3.9945 0.00 -0.04 0.00 0.04
40 3.9945 0.00 0.07 0.00 0.03
41 3.9945 0.00 0.05 0.00 -0.02
42 3.9945 0.00 0.09 0.00 0.07
43 4.0573 0.00 -0.01 0.00 0.01
44 4.9449 0.00 0.02 0.00 -0.01
45 5.0513 0.00 0.01 0.00 -0.13
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.
13SN102 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 68.610 68.609 68.610 ecceobj 0.446 0.446 0.446 incobj 4.455 4.455 4.455 qmin 37.296 37.289 37.286 qmax 99.894 99.850 99.878 amean 67.714 67.748 67.723 amin 66.818 66.817 66.836 amax 68.921 68.930 68.935 emean 0.438 0.438 0.438 emin 0.428 0.429 0.428 emax 0.449 0.449 0.449 imean 3.081 3.035 3.047 imin 2.750 2.750 2.750 imax 3.458 3.291 3.385 excite_mean 0.441 0.442 0.441 fracstop 1.000 1.000 1.000 cjmean 3.137 3.137 3.137 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 180.6 170.9 181.3 kozaiamp 180.0 180.0 180.0