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: 01RY143
# Created Sun Dec 22 02:08:18 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 50 observations of 50
# Arc: 15.97y
# First observation: 2001/09/12
# Last observation: 2017/08/30
# Chi-squared of fit: 12.50 DOF: 94 RMS: 0.09
# Min/Max residuals: -0.34 0.35
# Exact a, adot, b, bdot, g, gdot:
1.515777E-05 1.928014E-02 7.832381E-07 2.251109E-03 2.218062E-02 2.636115E-03
# Covariance matrix:
2.5670E-13 -1.8483E-14 1.0674E-16 -9.6078E-17 3.9851E-14 -3.7923E-15
-1.8483E-14 3.3464E-14 -2.2941E-15 3.8622E-15 4.3310E-14 1.2302E-13
1.0674E-16 -2.2941E-15 2.3747E-13 -1.8053E-14 -2.9926E-15 -8.8378E-15
-9.6078E-17 3.8622E-15 -1.8053E-14 1.9875E-15 5.2142E-15 1.4874E-14
3.9851E-14 4.3310E-14 -2.9926E-15 5.2142E-15 1.4466E-13 1.6454E-13
-3.7923E-15 1.2302E-13 -8.8378E-15 1.4874E-14 1.6454E-13 4.7381E-13
# lat0 lon0 xBary yBary zBary JD0
1.834930 16.187416 0.454278 0.028580 -0.895975 2452164.871723
# Heliocentric elements and errors
Epoch: 2452164.5000 = 2001/09/12
Mean Anomaly: 119.60637 +/- 0.017
Argument of Peri: 241.92168 +/- 0.012
Long of Asc Node: 0.61234 +/- 0.000
Inclination: 6.91234 +/- 0.000
Eccentricity: 0.15052872 +/- 0.0000
Semi-Major Axis: 42.20430720 +/- 0.0020
Time of Perihelion: 2418892.0014 +/- 5.3
Perihelion: 35.85134696 +/- 0.0023
Aphelion: 48.55726744 +/- 0.0028
Period (y) 274.1848 +/- 0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 44.26467079 +/- 0.0007
Ecliptic Y 12.38204071 +/- 0.0002
Ecliptic Z 1.44366039 +/- 0.0000
Ecliptic XDOT -0.00036833 +/- 0.0000
Ecliptic YDOT 0.00237472 +/- 0.0000
Ecliptic ZDOT 0.00028835 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 45.98644527 +/- 0.0007
Geocenter to KBO 45.08435891 +/- 0.0008
# Hcoef: 6.94
The following table shows the complete astrometric record for 01RY143. 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 (01RY143) followed by the observatory code and reference code for the source of the astrometry.
2001 09 12.37098 00 56 48.34 +08 03 36.7 23.4R 01RY143 695 Ce0436 2001 09 12.45779 00 56 48.01 +08 03 34.9 01RY143 695 Ce0436 2001 10 19.36157 00 54 15.65 +07 48 49.7 23.2R 01RY143 695 Ce0436 2001 10 20.36038 00 54 11.49 +07 48 24.8 01RY143 695 Ce0436 2001 10 21.17073 00 54 08.16 +07 48 04.4 01RY143 695 Ce0436 2001 10 21.23198 00 54 07.90 +07 48 03.1 01RY143 695 Ce0436 2013 09 02.44494 01 43 53.939 +14 15 10.03 23.6r 01RY143 568 C~2SCV 2013 09 02.48778 01 43 53.822 +14 15 09.64 23.8r 01RY143 568 C~2SCV 2013 09 03.46375 01 43 51.187 +14 14 59.48 23.8r 01RY143 568 C~2SCV 2013 09 03.51035 01 43 51.061 +14 14 58.90 23.7r 01RY143 568 C~2SCV 2013 10 08.52484 01 41 45.230 +14 05 17.32 23.3r 01RY143 568 C~2SCV 2013 11 01.52560 01 40 02.696 +13 56 10.30 23.6r 01RY143 568 C~2SCV 2013 11 29.26953 01 38 18.951 +13 45 59.86 23.6r 01RY143 568 C~2SCV 2013 12 04.41381 01 38 03.741 +13 44 23.40 23.6r 01RY143 568 C~2SCV 2013 12 05.30424 01 38 01.273 +13 44 07.61 23.6r 01RY143 568 C~2SCV 2014 01 02.21022 01 37 13.251 +13 38 14.42 23.7r 01RY143 568 C~2SCV 2014 01 02.26526 01 37 13.220 +13 38 14.03 23.7r 01RY143 568 C~2SCV 2014 01 02.31840 01 37 13.183 +13 38 13.69 23.5r 01RY143 568 C~2SCV 2014 07 26.52974 01 48 32.643 +14 44 33.24 23.7r 01RY143 568 C~2SCV 2014 07 26.57297 01 48 32.654 +14 44 33.56 23.6r 01RY143 568 C~2SCV 2014 08 24.54028 01 48 06.927 +14 44 52.78 23.7r 01RY143 568 C~2SCV 2014 08 30.44562 01 47 54.005 +14 44 11.41 23.5r 01RY143 568 C~2SCV 2014 08 30.55222 01 47 53.717 +14 44 10.49 23.8r 01RY143 568 C~2SCV 2014 09 18.47076 01 46 57.411 +14 40 23.55 23.7r 01RY143 568 C~2SCV 2014 09 18.51348 01 46 57.260 +14 40 22.88 23.6r 01RY143 568 C~2SCV 2014 09 23.51178 01 46 39.215 +14 39 01.60 23.6r 01RY143 568 C~2SCV 2014 10 22.29484 01 44 40.654 +14 29 12.39 23.6r 01RY143 568 C~2SCV 2014 10 22.33958 01 44 40.463 +14 29 11.36 23.5r 01RY143 568 C~2SCV 2014 10 22.38432 01 44 40.259 +14 29 10.35 23.5r 01RY143 568 C~2SCV 2014 10 23.48145 01 44 35.508 +14 28 45.19 23.4r 01RY143 568 C~2SCV 2014 10 25.49739 01 44 26.818 +14 27 58.73 23.4r 01RY143 568 C~2SCV 2014 11 21.26474 01 42 38.645 +14 17 48.81 23.7r 01RY143 568 C~2SCV 2014 11 21.27445 01 42 38.611 +14 17 48.54 23.7r 01RY143 568 C~2SCV 2014 11 21.42970 01 42 38.033 +14 17 45.19 23.5r 01RY143 568 C~2SCV 2015 01 28.27933 01 41 12.371 +14 06 22.55 25.0r 01RY143 568 C~2SCV 2015 10 09.40974 01 49 29.949 +15 02 31.86 23.6w 01RY143 568 C~2SCV 2015 10 09.42762 01 49 29.869 +15 02 31.50 23.6w 01RY143 568 C~2SCV 2015 10 09.45292 01 49 29.762 +15 02 31.05 23.7w 01RY143 568 C~2SCV 2015 10 09.47042 01 49 29.688 +15 02 30.67 23.8w 01RY143 568 C~2SCV 2015 10 09.51628 01 49 29.490 +15 02 29.75 23.7w 01RY143 568 C~2SCW 2015 10 13.35876 01 49 13.267 +15 01 09.29 01RY143 568 C~2SCW 2015 10 13.42514 01 49 12.981 +15 01 07.83 01RY143 568 C~2SCW 2015 10 14.47894 01 49 08.477 +15 00 45.29 23.6r 01RY143 568 C~2SCW 2015 10 14.54658 01 49 08.187 +15 00 43.87 01RY143 568 C~2SCW 2015 12 06.20482 01 45 42.668 +14 41 33.62 23.4r 01RY143 568 C~2SCW 2015 12 06.27161 01 45 42.477 +14 41 32.46 23.7r 01RY143 568 C~2SCW 2015 12 07.40784 01 45 39.264 +14 41 11.89 23.9w 01RY143 568 C~2SCW 2016 09 27.46659 01 54 07.949 +15 34 09.40 23.8w 01RY143 568 C~2SCW 2017 08 25.58743 01 59 37.837 +16 07 50.29 24.0w 01RY143 568 C~2SCW 2017 08 30.60899 01 59 27.517 +16 07 22.94 23.9w 01RY143 568 C~2SCW
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 0.04
2 0.0002 0.00 -0.30 0.00 0.05
3 0.1013 0.00 0.32 0.00 -0.08
4 0.1040 0.00 0.06 0.00 0.04
5 0.1062 0.00 0.12 0.00 -0.12
6 0.1064 0.00 0.06 0.00 0.11
7 11.9728 0.00 0.03 0.00 -0.08
8 11.9729 0.00 0.03 0.00 -0.03
9 11.9756 0.00 -0.01 0.00 -0.00
10 11.9757 0.00 0.06 0.00 -0.09
11 12.0716 0.00 0.19 0.00 0.02
12 12.1373 0.00 -0.09 0.00 0.03
13 12.2133 0.00 0.10 0.00 -0.10
14 12.2274 0.00 0.00 0.00 -0.03
15 12.2298 0.00 -0.20 0.00 0.09
16 12.3062 0.00 -0.02 0.00 0.03
17 12.3063 0.00 0.08 0.00 0.02
18 12.3065 0.00 0.07 0.00 0.05
19 12.8683 0.00 0.02 0.00 -0.01
20 12.8685 0.00 0.05 0.00 -0.01
21 12.9478 0.00 -0.05 0.00 -0.07
22 12.9639 0.00 0.35 0.00 0.00
23 12.9642 0.00 -0.03 0.00 -0.05
24 13.0160 0.00 -0.01 0.00 -0.01
25 13.0161 0.00 0.01 0.00 -0.02
26 13.0298 0.00 -0.03 0.00 0.01
27 13.1086 0.00 0.02 0.00 0.02
28 13.1087 0.00 0.09 0.00 0.01
29 13.1089 0.00 -0.02 0.00 0.02
30 13.1119 0.00 -0.09 0.00 -0.01
31 13.1174 0.00 0.04 0.00 -0.07
32 13.1907 0.00 -0.03 0.00 -0.02
33 13.1907 0.00 -0.00 0.00 -0.08
34 13.1911 0.00 -0.13 0.00 -0.10
35 13.3769 0.00 -0.01 0.00 0.01
36 14.0727 0.00 0.04 0.00 -0.04
37 14.0727 0.00 -0.02 0.00 -0.04
38 14.0728 0.00 -0.01 0.00 0.03
39 14.0728 0.00 0.00 0.00 0.01
40 14.0730 0.00 -0.03 0.00 0.04
41 14.0835 0.00 0.00 0.00 0.06
42 14.0837 0.00 0.03 0.00 0.01
43 14.0865 0.00 -0.02 0.00 0.02
44 14.0867 0.00 0.03 0.00 0.07
45 14.2309 0.00 -0.06 0.00 0.05
46 14.2311 0.00 0.00 0.00 0.10
47 14.2342 0.00 -0.10 0.00 0.01
48 15.0420 0.00 -0.08 0.00 -0.01
49 15.9513 0.00 0.01 0.00 0.06
50 15.9651 0.00 -0.03 0.00 0.06
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.
01RY143 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 42.375 42.375 42.375 ecceobj 0.149 0.150 0.149 incobj 6.892 6.892 6.892 qmin 33.876 33.822 33.813 qmax 50.917 50.818 51.260 amean 42.099 42.103 42.107 amin 41.716 41.706 41.720 amax 42.600 42.608 42.934 emean 0.138 0.132 0.128 emin 0.101 0.091 0.079 emax 0.197 0.194 0.196 imean 10.598 10.664 10.670 imin 7.489 7.489 7.489 imax 12.383 12.448 12.477 excite_mean 0.231 0.229 0.227 fracstop 1.000 1.000 1.000 cjmean 3.015 3.016 3.017 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 179.2 178.7 178.5 kozaiamp 180.0 179.9 180.0