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: 612203 # Created Wed Dec 25 02:07:38 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 71 observations of 71 # Arc: 19.15y # First observation: 2000/11/23 # Last observation: 2020/01/18 # Chi-squared of fit: 248.74 DOF: 136 RMS: 0.33 # Min/Max residuals: -1.39 0.69 # Exact a, adot, b, bdot, g, gdot: 1.636870E-05 2.136925E-02 3.527730E-06 4.824360E-04 2.277625E-02 2.944242E-04 # Covariance matrix: 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 # lat0 lon0 xBary yBary zBary JD0 -1.199993 68.368863 0.116003 -0.020553 -0.973775 2451871.955873 # Heliocentric elements and errors Epoch: 2451872.5000 = 2000/11/24 Mean Anomaly: 52.76879 +/- 0.000 Argument of Peri: 263.59516 +/- 0.000 Long of Asc Node: 110.51349 +/- 0.000 Inclination: 1.74365 +/- 0.000 Eccentricity: 0.01441100 +/- 0.0000 Semi-Major Axis: 45.27430450 +/- 0.0000 Time of Perihelion: 2435562.6218 +/- 0.0 Perihelion: 44.62185643 +/- 0.0000 Aphelion: 45.92675257 +/- 0.0000 Period (y) 304.6393 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 16.65243717 +/- 0.0000 Ecliptic Y 41.67212458 +/- 0.0000 Ecliptic Z -0.91933199 +/- 0.0000 Ecliptic XDOT -0.00238222 +/- 0.0000 Ecliptic YDOT 0.00098536 +/- 0.0000 Ecliptic ZDOT 0.00005741 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 44.88556699 +/- 0.0000 Geocenter to KBO 43.90542042 +/- 0.0000 # Hcoef: 6.14
The following table shows the complete astrometric record for 612203. 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 (612203) followed by the observatory code and reference code for the source of the astrometry.
2000 11 23.45513 04 27 18.50 +20 30 57.6 612203 568 Cc3044 2000 11 23.47774 04 27 18.42 +20 30 57.5 612203 568 Cc3044 2000 11 23.50024 04 27 18.30 +20 30 57.2 612203 568 Cc3044 2000 11 29.48449 04 26 48.99 +20 29 53.2 21.9R 612203 568 Cc3044 2000 11 29.50227 04 26 48.88 +20 29 52.8 22.0R 612203 568 Cc3044 2000 12 17.46296 04 25 22.31 +20 26 47.5 22.0R 612203 568 Cc4033 2000 12 17.47846 04 25 22.24 +20 26 47.3 22.1R 612203 568 Cc4033 2001 01 25.13017 04 23 02.56 +20 22 17.3 22.7R 612203 695 Cc6724 2001 01 25.22623 04 23 02.33 +20 22 16.9 612203 695 Cc6724 2001 02 16.89482 04 22 35.05 +20 21 54.9 612203 950 Cc6724 2001 02 18.97751 04 22 34.96 +20 21 58.6 612203 950 Cc6724 2001 02 20.26288 04 22 35.22 +20 22 00.5 22.6R 612203 568 Cc6724 2001 02 21.23176 04 22 35.44 +20 22 02.9 22.7R 612203 568 Cc6724 2002 01 09.35957 04 28 56.91 +20 36 52.5 22.3R 612203 568 Ce6590 2002 01 09.39748 04 28 56.76 +20 36 51.8 22.2R 612203 568 Ce6590 2002 01 14.20980 04 28 40.38 +20 36 22.6 22.5R 612203 568 Ce6590 2002 01 14.22422 04 28 40.33 +20 36 22.5 22.4R 612203 568 Ce6590 2002 01 14.23044 04 28 40.31 +20 36 22.5 22.3R 612203 568 Ce6590 2002 11 06.52312 04 38 59.94 +20 58 51.4 22.0R 612203 568 Cl8320 2002 11 06.56643 04 38 59.76 +20 58 51.1 612203 568 Cl8320 2005 03 09.14215 04 43 01.31 +21 12 01.6 612203 G96 Cn1549 2005 03 11.14357 04 43 04.33 +21 12 11.2 612203 G96 Cn1549 2006 01 31.242897 04 48 24.96 +21 22 21.2 22.6V 612203 645 C~2GiT 2006 01 31.243726 04 48 24.96 +21 22 21.4 22.0V 612203 645 C~2GiT 2006 01 31.246214 04 48 24.97 +21 22 21.2 24.0V 612203 645 C~2GiT 2008 09 24.39129 05 11 46.77 +22 01 13.7 23.6R 612203 250 S~06AO 2008 09 24.39754 05 11 46.77 +22 01 13.6 612203 250 S~06AO 2008 09 24.40449 05 11 46.76 +22 01 13.6 612203 250 S~06AO 2008 09 24.41074 05 11 46.76 +22 01 13.6 612203 250 S~06AO 2008 12 01.45455 05 08 10.56 +21 56 16.7 22.0R 612203 688 C~02MI 2008 12 01.49965 05 08 10.33 +21 56 16.1 612203 688 C~02MI 2010 01 27.46752 05 09 12.45 +22 00 08.1 612203 250 S~0M3F 2010 01 27.46991 05 09 12.44 +22 00 08.0 612203 250 S~0M3F 2010 01 27.47272 05 09 12.43 +22 00 08.0 612203 250 S~0M3F 2010 01 27.47510 05 09 12.43 +22 00 08.1 612203 250 S~0M3F 2010 01 27.48019 05 09 12.35 +22 00 08.0 612203 250 S~0M3F 2010 01 27.48574 05 09 12.33 +22 00 08.0 612203 250 S~0M3F 2010 01 27.49190 05 09 12.30 +22 00 07.9 612203 250 S~0M3F 2010 01 27.49745 05 09 12.28 +22 00 07.9 612203 250 S~0M3F 2010 11 27.54424 05 18 59.651 +22 12 09.77 22.9G 612203 F51 C~36iS 2012 11 06.60489 05 30 57.655 +22 26 13.48 23.0G 612203 F51 C~36iS 2012 11 25.36090 05 29 37.898 +22 25 11.96 22.4G 612203 F51 C~36iS 2012 11 25.37285 05 29 37.856 +22 25 12.16 22.7G 612203 F51 C~36iS 2013 04 04.26103 05 24 33.213 +22 23 18.63 22.7G 612203 F51 C~36iS 2013 11 27.36780 05 34 45.444 +22 30 36.37 22.2G 612203 F51 C~36iS 2013 11 27.38303 05 34 45.370 +22 30 36.44 22.1G 612203 F51 C~36iS 2013 11 27.39827 05 34 45.291 +22 30 36.40 22.7G 612203 F51 C~36iS 2013 11 27.41363 05 34 45.218 +22 30 36.28 22.5G 612203 F51 C~36iS 2014 02 24.29328 05 29 02.223 +22 27 53.86 22.4G 612203 F51 C~36iS 2014 02 24.30582 05 29 02.210 +22 27 53.84 22.0G 612203 F51 C~36iS 2014 02 24.31834 05 29 02.183 +22 27 53.86 22.1G 612203 F51 C~36iS 2014 02 24.33094 05 29 02.177 +22 27 53.98 22.3G 612203 F51 C~36iS 2014 11 26.35138 05 40 07.163 +22 35 31.07 22.5G 612203 F51 C~36iS 2014 11 26.36331 05 40 07.147 +22 35 31.61 22.7G 612203 F51 C~36iS 2014 11 26.37527 05 40 07.050 +22 35 31.14 23.0G 612203 F51 C~36iS 2014 11 26.38724 05 40 07.000 +22 35 30.71 22.7G 612203 F51 C~36iS 2015 01 18.23809 05 35 53.918 +22 33 40.40 23.1G 612203 F51 C~36iS 2015 01 18.25206 05 35 53.863 +22 33 40.61 22.7G 612203 F51 C~36iS 2015 01 18.26598 05 35 53.787 +22 33 40.49 22.8G 612203 F51 C~36iS 2015 01 18.27998 05 35 53.714 +22 33 40.48 21.8G 612203 F51 C~36iS 2015 12 09.50714 05 44 20.867 +22 39 21.29 22.4G 612203 F51 C~36iS 2015 12 09.52098 05 44 20.793 +22 39 21.25 22.4G 612203 F51 C~36iS 2015 12 09.53485 05 44 20.732 +22 39 21.14 22.1G 612203 F51 C~36iS 2015 12 09.54873 05 44 20.652 +22 39 21.14 22.1G 612203 F51 C~36iS 2016 01 14.40475 05 41 26.078 +22 38 27.18 21.6G 612203 F51 C~36iS 2016 01 14.41867 05 41 26.025 +22 38 27.14 22.5G 612203 F51 C~36iS 2016 01 14.43258 05 41 25.964 +22 38 27.21 22.3G 612203 F51 C~36iS 2016 01 14.44647 05 41 25.896 +22 38 26.95 22.4G 612203 F51 C~36iS 2016 01 26.40002 05 40 37.736 +22 38 15.97 22.5G 612203 F51 C~36iS 2020 01 18.310600 06 02 07.551 +22 50 45.26 22.5G 612203 G37 C~3iAq 2020 01 18.342280 06 02 07.372 +22 50 45.61 612203 G37 C~3iAq
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 -0.22 0.00 -0.70
2 0.0001 0.00 0.26 0.00 -0.56
3 0.0001 0.00 0.13 0.00 -0.61
4 0.0165 0.00 0.15 0.00 -0.23
5 0.0166 0.00 -0.17 0.00 -0.43
6 0.0657 0.00 0.24 0.00 -0.22
7 0.0658 0.00 0.28 0.00 -0.26
8 0.1716 0.00 -0.52 0.00 0.52
9 0.1719 0.00 -0.64 0.00 0.47
10 0.2339 0.00 -0.46 0.00 0.69
11 0.2396 0.00 -0.69 0.00 0.60
12 0.2431 0.00 0.62 0.00 -0.40
13 0.2458 0.00 0.40 0.00 -0.40
14 1.1277 0.00 0.46 0.00 0.66
15 1.1278 0.00 0.29 0.00 0.21
16 1.1410 0.00 0.27 0.00 0.16
17 1.1411 0.00 0.23 0.00 0.14
18 1.1411 0.00 0.24 0.00 0.17
19 1.9523 0.00 -0.08 0.00 0.00
20 1.9524 0.00 0.06 0.00 0.09
21 4.2894 0.00 -1.39 0.00 -0.16
22 4.2948 0.00 -0.02 0.00 0.54
23 5.1876 0.00 0.02 0.00 0.11
24 5.1876 0.00 0.05 0.00 0.31
25 5.1877 0.00 0.29 0.00 0.11
26 7.8356 0.00 -0.20 0.00 0.29
27 7.8356 0.00 -0.16 0.00 0.20
28 7.8356 0.00 -0.25 0.00 0.21
29 7.8356 0.00 -0.21 0.00 0.22
30 8.0219 0.00 0.07 0.00 0.54
31 8.0220 0.00 -0.01 0.00 0.23
32 9.1773 0.00 0.43 0.00 -0.31
33 9.1773 0.00 0.39 0.00 -0.40
34 9.1773 0.00 0.36 0.00 -0.40
35 9.1773 0.00 0.47 0.00 -0.29
36 9.1773 0.00 -0.50 0.00 -0.38
37 9.1774 0.00 -0.55 0.00 -0.37
38 9.1774 0.00 -0.73 0.00 -0.45
39 9.1774 0.00 -0.78 0.00 -0.44
40 10.0098 0.00 0.40 0.00 0.24
41 11.9539 0.00 -0.01 0.00 0.19
42 12.0052 0.00 -0.02 0.00 0.07
43 12.0053 0.00 0.20 0.00 0.31
44 12.3609 0.00 0.19 0.00 0.31
45 13.0100 0.00 0.03 0.00 -0.09
46 13.0101 0.00 0.01 0.00 0.02
47 13.0101 0.00 -0.08 0.00 0.02
48 13.0102 0.00 -0.07 0.00 -0.05
49 13.2535 0.00 0.28 0.00 0.02
50 13.2535 0.00 0.28 0.00 -0.00
51 13.2536 0.00 0.07 0.00 0.01
52 13.2536 0.00 0.17 0.00 0.12
53 14.0066 0.00 -0.12 0.00 -0.08
54 14.0066 0.00 0.48 0.00 0.48
55 14.0066 0.00 -0.13 0.00 0.04
56 14.0067 0.00 -0.04 0.00 -0.37
57 14.1514 0.00 0.22 0.00 -0.11
58 14.1514 0.00 0.27 0.00 0.12
59 14.1514 0.00 -0.01 0.00 0.02
60 14.1515 0.00 -0.23 0.00 0.03
61 15.0419 0.00 0.00 0.00 -0.01
62 15.0419 0.00 -0.06 0.00 -0.03
63 15.0420 0.00 0.07 0.00 -0.11
64 15.0420 0.00 -0.08 0.00 -0.09
65 15.1402 0.00 -0.03 0.00 -0.08
66 15.1402 0.00 0.10 0.00 -0.11
67 15.1403 0.00 0.12 0.00 -0.02
68 15.1403 0.00 0.02 0.00 -0.26
69 15.1730 0.00 -0.00 0.00 -0.07
70 19.1509 0.00 -0.01 0.00 0.05
71 19.1510 0.00 -0.57 0.00 0.38
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.
612203 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 45.233 45.233 45.233 ecceobj 0.015 0.015 0.015 incobj 1.744 1.744 1.744 qmin 43.559 43.548 43.572 qmax 46.469 46.480 46.454 amean 44.945 44.945 44.945 amin 44.592 44.591 44.592 amax 45.291 45.289 45.292 emean 0.014 0.014 0.014 emin 0.000 0.000 0.000 emax 0.026 0.026 0.026 imean 0.652 0.652 0.652 imin 0.091 0.091 0.091 imax 1.031 1.031 1.031 excite_mean 0.019 0.019 0.019 fracstop 1.000 1.000 1.000 cjmean 3.113 3.113 3.113 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 194.9 195.1 195.0 kozaiamp 180.0 180.0 180.0