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: 609222 # Created Wed Jul 17 01:07:40 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 54 observations of 55 # Arc: 17.06y # First observation: 2004/11/09 # Last observation: 2021/12/01 # Chi-squared of fit: 36.31 DOF: 102 RMS: 0.14 # Min/Max residuals: -0.49 0.38 # Exact a, adot, b, bdot, g, gdot: 1.350858E-05 1.964582E-02 4.113242E-07 5.858067E-04 2.194376E-02 8.848835E-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 -0.366599 38.347015 -0.150040 -0.006176 -0.981414 2453318.878503 # Heliocentric elements and errors Epoch: 2453318.5000 = 2004/11/09 Mean Anomaly: 137.92716 +/- 0.000 Argument of Peri: 205.02842 +/- 0.000 Long of Asc Node: 50.35981 +/- 0.000 Inclination: 1.75096 +/- 0.000 Eccentricity: 0.07259473 +/- 0.0000 Semi-Major Axis: 44.07821859 +/- 0.0000 Time of Perihelion: 2412365.8718 +/- 0.0 Perihelion: 40.87837221 +/- 0.0000 Aphelion: 47.27806496 +/- 0.0000 Period (y) 292.6471 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 36.41113704 +/- 0.0000 Ecliptic Y 29.00046654 +/- 0.0000 Ecliptic Z -0.29156407 +/- 0.0000 Ecliptic XDOT -0.00143496 +/- 0.0000 Ecliptic YDOT 0.00198395 +/- 0.0000 Ecliptic ZDOT 0.00007247 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 46.54976053 +/- 0.0000 Geocenter to KBO 45.57105101 +/- 0.0000 # Hcoef: 6.34
The following table shows the complete astrometric record for 609222. 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 (609222) followed by the observatory code and reference code for the source of the astrometry.
2004 11 09.37776 02 24 22.56 +13 56 25.9 23.3g 609222 568 C~2oba 2004 11 09.40420 02 24 22.43 +13 56 25.3 23.3g 609222 568 C~2oba 2004 11 09.43023 02 24 22.32 +13 56 24.9 23.3g 609222 568 C~2oba 2004 11 10.29255 02 24 18.62 +13 56 06.8 23.3g 609222 568 C~2oba 2005 01 05.26333 02 21 24.64 +13 42 19.0 23.1i 609222 568 C~2oba 2005 01 05.33301 02 21 24.55 +13 42 18.3 23.1i 609222 568 C~2oba 2005 10 25.49229 02 29 49.54 +14 25 06.5 23.5r 609222 568 C~2oba 2005 10 25.53041 02 29 49.34 +14 25 05.7 23.3r 609222 568 C~2oba 2005 10 25.56395 02 29 49.20 +14 25 05.0 23.1r 609222 568 C~2oba 2005 10 26.53384 02 29 44.98 +14 24 45.1 22.9r 609222 568 C~2oba 2006 10 21.97371 02 34 26.88 +14 49 21.2 609222 950 C~2oba 2006 10 22.05693 02 34 26.51 +14 49 19.4 609222 950 C~2oba 2006 10 22.13437 02 34 26.18 +14 49 17.9 609222 950 C~2oba 2013 10 05.44179 03 06 15.60 +17 24 25.4 23.0R 609222 695 C~0zdg 2013 10 05.50547 03 06 15.38 +17 24 24.6 609222 695 C~0zdg 2013 10 06.46417 03 06 12.03 +17 24 11.3 609222 695 C~0zdg 2014 11 17.18609 03 07 42.79 +17 32 39.2 22.7R 609222 G37 C~1EFK 2014 11 17.27424 03 07 42.41 +17 32 37.8 609222 G37 C~1EFK 2014 11 18.17428 03 07 38.37 +17 32 21.7 609222 G37 C~1EFK 2014 11 18.26205 03 07 37.97 +17 32 20.1 609222 G37 C~1EFK 2014 11 19.18032 03 07 33.92 +17 32 06.0 609222 G37 C~1EFK 2014 11 19.27513 03 07 33.42 +17 32 02.2 609222 G37 C~1EFK 2015 09 06.61892 03 16 15.969 +18 08 03.44 23.4w 609222 568 C~2oba 2015 09 12.50905 03 16 07.120 +18 07 31.35 23.3w 609222 568 C~2oba 2015 10 07.53854 03 15 00.899 +18 03 24.23 23.1w 609222 568 C~2oba 2015 10 07.59790 03 15 00.687 +18 03 23.43 23.1w 609222 568 C~2oba 2015 10 09.57780 03 14 53.740 +18 02 57.18 23.1w 609222 568 C~2oba 2015 11 07.33264 03 12 54.659 +17 55 22.76 22.9r 609222 568 C~2oba 2015 11 07.37479 03 12 54.462 +17 55 22.04 23.0r 609222 568 C~2oba 2015 11 07.41697 03 12 54.270 +17 55 21.34 23.0r 609222 568 C~2oba 2015 11 10.49950 03 12 40.323 +17 54 27.59 23.1w 609222 568 C~2oba 2015 11 17.34635 03 12 09.279 +17 52 27.81 23.2w 609222 568 C~2oba 2015 11 17.39294 03 12 09.063 +17 52 27.00 23.1w 609222 568 C~2oba 2015 12 06.35508 03 10 46.464 +17 47 06.94 23.0w 609222 568 C~2oba 2015 12 06.49265 03 10 45.892 +17 47 04.66 23.1w 609222 568 C~2oba 2016 01 01.34294 03 09 17.292 +17 41 20.26 23.1w 609222 568 C~2oba 2016 01 07.40549 03 09 02.736 +17 40 24.02 23.2w 609222 568 C~2oba 2016 01 08.25043 03 09 00.938 +17 40 17.05 23.3w 609222 568 C~2oba 2016 02 05.28189 03 08 35.126 +17 38 42.59 23.2w 609222 568 C~2oba 2016 02 10.30227 03 08 37.818 +17 38 55.00 23.4w 609222 568 C~2oba 2016 09 06.61138 03 20 38.646 +18 26 45.60 609222 568 C~2oba 2016 10 10.40808 03 19 13.950 +18 21 39.38 23.2w 609222 568 C~2oba 2016 10 10.46643 03 19 13.734 +18 21 38.62 23.3w 609222 568 C~2oba 2016 11 02.53154 03 17 39.292 +18 15 48.28 23.2w 609222 568 C~2oba 2016 11 02.53733 03 17 39.260 +18 15 48.19 23.2w 609222 568 C~2oba 2016 11 04.40663 03 17 30.925 +18 15 16.99 23.1w 609222 568 C~2oba 2016 11 04.41248 03 17 30.896 +18 15 16.86 23.1w 609222 568 C~2oba 2016 12 24.30698 03 14 02.655 +18 02 09.90 23.2w 609222 568 C~2oba 2016 12 24.32550 03 14 02.593 +18 02 09.66 23.2w 609222 568 C~2oba 2017 01 02.40920 03 13 36.260 +18 00 29.64 23.2w 609222 568 C~2oba 2017 01 02.42780 03 13 36.209 +18 00 29.48 23.2w 609222 568 C~2oba 2017 01 26.29981 03 12 57.431 +17 58 04.51 23.2w 609222 568 C~2oba 2021 12 01.268390 03 37 50.696 +19 38 44.10 23.0G 609222 G37 C~5J1N 2021 12 01.318020 03 37 50.493 +19 38 43.18 609222 G37 C~5J1N 2021 12 01.393610 03 37 50.120 +19 38 42.29 609222 G37 C~5J1N
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 0.13 0.00 0.05
2 0.0001 0.00 -0.07 0.00 -0.00
3 0.0001 0.00 -0.00 0.00 0.15
4 0.0025 0.00 0.28 0.00 0.10
5 0.1557 0.00 -0.06 0.00 -0.18
6 0.1559 0.00 -0.01 0.00 -0.49
7 0.9586 0.00 0.30 0.00 0.02
8 0.9587 0.00 -0.16 0.00 0.02
9 0.9588 0.00 -0.04 0.00 0.02
10 0.9614 0.00 0.17 0.00 0.31
11 1.9482 0.00 -0.12 0.00 -0.04
12 1.9485 0.00 -0.22 0.00 -0.17
13 1.9487 0.00 -0.09 0.00 -0.11
14 8.9037 0.00 -0.09 0.00 0.24
15 8.9038 0.00 -0.01 0.00 0.33
16 8.9065 0.00 -0.02 0.00 0.38
17 10.0200 0.00 -0.43 0.00 0.18
18 10.0203 0.00 -0.10 0.00 0.34
19 10.0227 0.00 -0.10 0.00 0.27
20 10.0230 0.00 -0.10 0.00 0.22
21 10.0255 0.00 ( 0.86) 0.00 ( 2.44)
22 10.0257 0.00 -0.18 0.00 0.32
23 10.8234 0.00 0.07 0.00 -0.09
24 10.8395 0.00 0.03 0.00 -0.12
25 10.9080 0.00 -0.01 0.00 -0.08
26 10.9082 0.00 -0.05 0.00 -0.10
27 10.9136 0.00 0.09 0.00 -0.07
28 10.9923 0.00 0.05 0.00 -0.00
29 10.9925 0.00 -0.01 0.00 0.00
30 10.9926 0.00 0.02 0.00 0.03
31 11.0010 0.00 0.04 0.00 -0.07
32 11.0198 0.00 0.07 0.00 -0.08
33 11.0199 0.00 0.05 0.00 -0.08
34 11.0718 0.00 0.08 0.00 -0.05
35 11.0722 0.00 0.08 0.00 -0.12
36 11.1430 0.00 0.13 0.00 -0.07
37 11.1596 0.00 0.16 0.00 -0.04
38 11.1619 0.00 0.11 0.00 -0.07
39 11.2386 0.00 0.12 0.00 -0.05
40 11.2524 0.00 0.05 0.00 -0.05
41 11.8254 0.00 -0.08 0.00 -0.10
42 11.9179 0.00 0.01 0.00 -0.13
43 11.9181 0.00 -0.02 0.00 -0.12
44 11.9813 0.00 0.05 0.00 -0.12
45 11.9813 0.00 -0.04 0.00 -0.11
46 11.9864 0.00 0.05 0.00 -0.10
47 11.9864 0.00 0.01 0.00 -0.13
48 12.1230 0.00 0.12 0.00 -0.05
49 12.1231 0.00 0.10 0.00 -0.06
50 12.1479 0.00 0.07 0.00 -0.06
51 12.1480 0.00 0.04 0.00 -0.04
52 12.2133 0.00 0.02 0.00 -0.04
53 17.0592 0.00 -0.18 0.00 0.11
54 17.0594 0.00 0.18 0.00 -0.07
55 17.0596 0.00 -0.26 0.00 0.18
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.
609222 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.563 44.563 44.563 ecceobj 0.066 0.066 0.066 incobj 1.742 1.742 1.742 qmin 40.569 40.531 40.557 qmax 48.205 48.198 48.212 amean 44.257 44.257 44.257 amin 43.906 43.909 43.900 amax 44.633 44.634 44.637 emean 0.065 0.065 0.065 emin 0.050 0.050 0.050 emax 0.081 0.081 0.081 imean 1.285 1.285 1.285 imin 0.526 0.526 0.526 imax 1.807 1.807 1.807 excite_mean 0.069 0.069 0.069 fracstop 1.000 1.000 1.000 cjmean 3.099 3.099 3.099 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 187.0 187.0 187.1 kozaiamp 180.0 179.9 179.9