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: 01QW322 # Created Thu Apr 18 01:10:35 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 43 observations of 58 # Arc: 2.25y # First observation: 2001/07/27 # Last observation: 2003/10/28 # Chi-squared of fit: 1525.16 DOF: 80 RMS: 1.05 # Min/Max residuals: -2.00 1.96 # Exact a, adot, b, bdot, g, gdot: 2.159200E-05 2.169389E-02 -5.202338E-06 -1.824768E-03 2.312169E-02 5.303962E-04 # Covariance matrix: 5.0399E-14 -1.9113E-14 -1.4410E-15 1.4911E-15 7.8669E-15 -3.6155E-14 -1.9113E-14 2.0229E-14 1.5946E-15 -1.6830E-15 8.0850E-15 4.0648E-14 -1.4410E-15 1.5946E-15 3.2090E-14 -2.2902E-15 4.3385E-16 3.3314E-15 1.4911E-15 -1.6830E-15 -2.2902E-15 8.4179E-16 -5.7725E-16 -3.5092E-15 7.8669E-15 8.0850E-15 4.3385E-16 -5.7725E-16 6.3030E-14 1.3374E-14 -3.6155E-14 4.0648E-14 3.3314E-15 -3.5092E-15 1.3374E-14 8.4787E-14 # lat0 lon0 xBary yBary zBary JD0 -0.132803 -53.715684 0.038343 -0.002503 -1.017688 2452117.923703 # Heliocentric elements and errors Epoch: 2452118.5000 = 2001/07/28 Mean Anomaly: 114.14881 +/- 0.080 Argument of Peri: 64.97726 +/- 0.075 Long of Asc Node: 124.70008 +/- 0.000 Inclination: 4.81676 +/- 0.000 Eccentricity: 0.02347105 +/- 0.0000 Semi-Major Axis: 43.82384769 +/- 0.0018 Time of Perihelion: 2418518.9809 +/- 23.5 Perihelion: 42.79525609 +/- 0.0019 Aphelion: 44.85243929 +/- 0.0020 Period (y) 290.1175 +/- 0.02 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 26.16963273 +/- 0.0003 Ecliptic Y -35.69986103 +/- 0.0004 Ecliptic Z -0.10044174 +/- 0.0000 Ecliptic XDOT 0.00209896 +/- 0.0000 Ecliptic YDOT 0.00147159 +/- 0.0000 Ecliptic ZDOT -0.00021601 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 44.26441731 +/- 0.0003 Geocenter to KBO 43.24945779 +/- 0.0005 # Hcoef: 7.84
The following table shows the complete astrometric record for 01QW322. 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 (01QW322) followed by the observatory code and reference code for the source of the astrometry.
2001 07 27.42296 20 34 48.24 -18 49 49.9 01QW322 568 Ce0366 2001 07 27.42296 20 34 48.48 -18 49 51.1 01QW322 568 Ce0366 2001 07 27.47595 20 34 48.25 -18 49 52.0 01QW322 568 Ce0366 2001 08 24.24085 20 32 43.27 -18 57 50.4 23.8R 01QW322 568 Ce0366 2001 08 24.24085 20 32 43.53 -18 57 51.8 24.1R 01QW322 568 Ce0366 2001 08 24.26181 20 32 43.19 -18 57 51.0 24.3R 01QW322 568 Ce0367 2001 08 24.26181 20 32 43.45 -18 57 52.1 24.0R 01QW322 568 Ce0366 2001 08 24.28289 20 32 43.09 -18 57 51.2 23.9R 01QW322 568 Ce0367 2001 08 24.28289 20 32 43.35 -18 57 52.6 23.8R 01QW322 568 Ce0366 2001 08 25.25689 20 32 39.14 -18 58 06.4 24.1R 01QW322 568 Ce0367 2001 08 25.25689 20 32 39.38 -18 58 08.0 24.0R 01QW322 568 Ce0366 2001 08 25.27754 20 32 39.03 -18 58 07.0 23.7R 01QW322 568 Ce0367 2001 08 25.27754 20 32 39.25 -18 58 08.0 23.6R 01QW322 568 Ce0366 2001 09 18.16406 20 31 17.16 -19 03 22.8 01QW322 675 Ce0367 2001 09 18.16406 20 31 17.43 -19 03 24.1 01QW322 675 Ce0366 2001 09 18.17234 20 31 17.14 -19 03 23.0 01QW322 675 Ce0367 2001 09 18.17234 20 31 17.42 -19 03 24.6 01QW322 675 Ce0366 2001 09 18.17648 20 31 17.14 -19 03 23.1 01QW322 675 Ce0367 2001 09 18.17648 20 31 17.40 -19 03 24.7 01QW322 675 Ce0366 2001 09 19.18914 20 31 14.46 -19 03 32.8 01QW322 675 Ce0367 2001 09 19.18914 20 31 14.73 -19 03 34.0 01QW322 675 Ce0366 2001 09 19.26248 20 31 14.28 -19 03 33.9 01QW322 675 Ce0367 2001 09 19.26248 20 31 14.51 -19 03 35.1 01QW322 675 Ce0366 2002 06 03.45486 20 43 21.38 -18 23 12.1 01QW322 675 Cf7165 2002 06 03.45486 20 43 21.60 -18 23 13.8 01QW322 675 Cf7165 2002 06 04.42014 20 43 19.30 -18 23 22.3 01QW322 675 Cf7165 2002 06 04.42014 20 43 19.53 -18 23 23.6 01QW322 675 Cf7165 2002 06 04.43750 20 43 19.24 -18 23 22.3 24. R 01QW322 675 Cf7165 2002 06 04.43750 20 43 19.50 -18 23 23.8 24. R 01QW322 675 Cf7165 2002 06 04.45451 20 43 19.19 -18 23 22.3 01QW322 675 Cf7165 2002 06 04.45451 20 43 19.46 -18 23 23.8 01QW322 675 Cf7165 2002 06 07.52857 20 43 11.92 -18 23 54.4 01QW322 568 Cf8914 2002 06 07.52857 20 43 12.14 -18 23 56.0 01QW322 568 Cf8914 2002 06 07.53979 20 43 11.90 -18 23 54.6 01QW322 568 Cf8914 2002 06 07.53979 20 43 12.12 -18 23 56.0 01QW322 568 Cf8914 2003 07 06.46131 20 46 42.58 -18 17 22.5 24.6R 01QW322 568 Ci2660 2003 07 06.46131 20 46 42.79 -18 17 24.2 24.0R 01QW322 568 Ci2660 2003 07 06.51841 20 46 42.36 -18 17 23.5 01QW322 568 Ci2660 2003 07 06.51841 20 46 42.55 -18 17 25.2 01QW322 568 Ci2660 2003 07 07.48187 20 46 38.43 -18 17 40.3 01QW322 568 Ci2660 2003 07 07.48187 20 46 38.61 -18 17 41.9 01QW322 568 Ci2660 2003 10 28.01437 20 40 45.98 -18 41 46.5 01QW322 309 Ck3026 2003 10 28.01437 20 40 46.15 -18 41 48.2 01QW322 309 Ck3026 2003 10 29.07019 20 40 46.63 -18 41 44.7 01QW322 309 Ck3026 2003 10 29.07019 20 40 46.79 -18 41 46.3 01QW322 309 Ck3026 2004 10 11.99947 20 45 52.82 -18 28 25.4 23.8R 01QW322 309 Cn8280 2004 10 11.99947 20 45 52.93 -18 28 27.2 23.8R 01QW322 309 Cn8280 2004 10 12.14095 20 45 52.68 -18 28 26.2 23.8R 01QW322 309 Cn8280 2004 10 12.14095 20 45 52.79 -18 28 27.9 24.0R 01QW322 309 Cn8280 2004 10 13.13509 20 45 51.77 -18 28 30.2 24.3R 01QW322 309 Cn8280 2004 10 13.13509 20 45 51.86 -18 28 31.6 24.0R 01QW322 309 Cn8280 2004 10 15.16448 20 45 50.21 -18 28 37.2 24.4R 01QW322 309 Cn8280 2004 10 15.16448 20 45 50.33 -18 28 38.9 24.4R 01QW322 309 Cn8280 2019 09 04.166350 22 02 27.938 -14 05 30.11 24.1G 01QW322 G37 C~3cV0 2019 09 04.247410 22 02 27.389 -14 05 30.72 01QW322 G37 C~3cV0 2023 09 06.154690 22 21 41.485 -12 42 52.13 23.7G 01QW322 G37 C~7ALy 2023 09 06.200350 22 21 41.289 -12 42 52.93 01QW322 G37 C~7ALy 2023 09 06.239380 22 21 41.121 -12 42 54.14 01QW322 G37 C~7ALy
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 -1.64 0.00 0.44
2 0.0000 0.00 1.96 0.00 -0.76
3 0.0001 0.00 ( 2.28) 0.00 ( -0.70)
4 0.0762 0.00 ( 2.30) 0.00 ( -0.43)
5 0.0762 0.00 -1.60 0.00 0.97
6 0.0762 0.00 ( 2.42) 0.00 ( -0.40)
7 0.0762 0.00 -1.48 0.00 0.70
8 0.0763 0.00 ( 2.24) 0.00 ( -0.56)
9 0.0763 0.00 -1.66 0.00 0.84
10 0.0789 0.00 ( 2.52) 0.00 ( -0.66)
11 0.0789 0.00 -1.08 0.00 0.94
12 0.0790 0.00 1.86 0.00 -0.34
13 0.0790 0.00 -1.44 0.00 0.66
14 0.1444 0.00 ( 2.97) 0.00 ( -1.02)
15 0.1444 0.00 -1.08 0.00 0.28
16 0.1444 0.00 ( 3.16) 0.00 ( -1.43)
17 0.1444 0.00 -1.04 0.00 0.17
18 0.1444 0.00 ( 3.03) 0.00 ( -1.49)
19 0.1444 0.00 -0.87 0.00 0.11
20 0.1472 0.00 ( 2.80) 0.00 ( -0.43)
21 0.1472 0.00 -1.25 0.00 0.77
22 0.1474 0.00 ( 2.41) 0.00 ( -0.80)
23 0.1474 0.00 -1.04 0.00 0.40
24 0.8516 0.00 0.75 0.00 -0.29
25 0.8516 0.00 ( -2.55) 0.00 ( 1.41)
26 0.8542 0.00 1.75 0.00 -0.63
27 0.8542 0.00 -1.70 0.00 0.67
28 0.8542 0.00 1.90 0.00 -0.65
29 0.8542 0.00 -2.00 0.00 0.85
30 0.8543 0.00 1.90 0.00 -0.48
31 0.8543 0.00 ( -2.15) 0.00 ( 1.02)
32 0.8627 0.00 1.47 0.00 -0.74
33 0.8627 0.00 -1.83 0.00 0.86
34 0.8627 0.00 1.60 0.00 -0.61
35 0.8627 0.00 -1.70 0.00 0.79
36 1.9412 0.00 0.48 0.00 -0.42
37 1.9412 0.00 ( -2.67) 0.00 ( 1.28)
38 1.9414 0.00 0.45 0.00 -0.43
39 1.9414 0.00 ( -2.40) 0.00 ( 1.27)
40 1.9440 0.00 0.63 0.00 -0.47
41 1.9440 0.00 ( -2.07) 0.00 ( 1.13)
42 2.2521 0.00 1.69 0.00 -0.71
43 2.2521 0.00 -0.86 0.00 0.99
44 2.2550 0.00 1.60 0.00 -0.73
45 2.2550 0.00 -0.80 0.00 0.87
46 3.2103 0.00 1.18 0.00 -0.75
47 3.2103 0.00 -0.47 0.00 1.05
48 3.2107 0.00 1.27 0.00 -0.88
49 3.2107 0.00 -0.38 0.00 0.82
50 3.2134 0.00 0.87 0.00 -0.66
51 3.2134 0.00 -0.48 0.00 0.74
52 3.2190 0.00 1.44 0.00 -1.07
53 3.2190 0.00 -0.36 0.00 0.63
54 18.1047 0.00 1.22 0.00 -1.00
55 18.1049 0.00 -1.76 0.00 0.28
56 22.1101 0.00 0.26 0.00 0.20
57 22.1103 0.00 0.27 0.00 0.52
58 22.1104 0.00 0.28 0.00 0.27
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.
01QW322 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.022 44.022 44.022 ecceobj 0.021 0.021 0.021 incobj 4.808 4.808 4.808 qmin 42.300 42.303 42.299 qmax 45.917 45.911 45.921 amean 44.041 44.041 44.041 amin 43.700 43.701 43.700 amax 44.384 44.385 44.382 emean 0.021 0.021 0.021 emin 0.005 0.005 0.005 emax 0.035 0.035 0.035 imean 3.499 3.499 3.499 imin 2.931 2.931 2.931 imax 4.142 4.142 4.142 excite_mean 0.065 0.065 0.065 fracstop 1.000 1.000 1.000 cjmean 3.097 3.097 3.097 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 184.0 184.0 183.9 kozaiamp 180.0 180.0 180.0