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: 05GF187
# Created Sun Dec 22 02:08:49 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 41 observations of 41
# Arc: 13.00y
# First observation: 2005/04/12
# Last observation: 2018/04/12
# Chi-squared of fit: 83.49 DOF: 76 RMS: 0.25
# Min/Max residuals: -0.69 0.69
# Exact a, adot, b, bdot, g, gdot:
1.950903E-05 4.069553E-02 2.280516E-07 -8.701019E-05 3.313037E-02 -5.591737E-03
# Covariance matrix:
1.2159E-13 -1.7666E-14 6.1750E-16 2.7678E-17 7.8299E-14 -2.1786E-14
-1.7666E-14 1.8274E-14 1.4424E-16 -4.0913E-17 1.3765E-14 3.3575E-14
6.1750E-16 1.4424E-16 6.9431E-14 -7.7751E-15 1.4329E-15 2.6310E-16
2.7678E-17 -4.0913E-17 -7.7751E-15 1.6299E-15 -2.7549E-17 -8.2663E-17
7.8299E-14 1.3765E-14 1.4329E-15 -2.7549E-17 1.7293E-13 2.4340E-14
-2.1786E-14 3.3575E-14 2.6310E-16 -8.2663E-17 2.4340E-14 6.7800E-14
# lat0 lon0 xBary yBary zBary JD0
4.028172 -139.056050 0.315136 0.066628 -0.945039 2453472.860283
# Heliocentric elements and errors
Epoch: 2453472.5000 = 2005/04/12
Mean Anomaly: 334.90170 +/- 0.004
Argument of Peri: 133.94278 +/- 0.006
Long of Asc Node: 128.83839 +/- 0.001
Inclination: 3.90648 +/- 0.000
Eccentricity: 0.25811372 +/- 0.0000
Semi-Major Axis: 39.71163538 +/- 0.0027
Time of Perihelion: 2459845.1037 +/- 8.8
Perihelion: 29.46151741 +/- 0.0025
Aphelion: 49.96175335 +/- 0.0037
Period (y) 250.2562 +/- 0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -23.66907178 +/- 0.0003
Ecliptic Y -20.11485985 +/- 0.0002
Ecliptic Z 2.12035879 +/- 0.0000
Ecliptic XDOT 0.00255205 +/- 0.0000
Ecliptic YDOT -0.00224563 +/- 0.0000
Ecliptic ZDOT -0.00003958 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 31.13412573 +/- 0.0003
Geocenter to KBO 30.18388991 +/- 0.0004
# Hcoef: 8.12
The following table shows the complete astrometric record for 05GF187. 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 (05GF187) followed by the observatory code and reference code for the source of the astrometry.
2005 04 12.35954 14 39 11.16 -11 16 42.4 22.6R 05GF187 695 Cn3380 2005 04 12.45645 14 39 10.61 -11 16 39.4 05GF187 695 Cn3380 2005 04 13.47601 14 39 04.85 -11 16 09.6 05GF187 695 Cn3380 2005 05 10.21159 14 36 25.40 -11 03 11.5 21.7R 05GF187 807 Cn5373 2005 05 11.04814 14 36 20.42 -11 02 48.4 05GF187 807 Cn5373 2005 05 11.13746 14 36 19.88 -11 02 46.2 05GF187 807 Cn5373 2005 06 02.32985 14 34 16.65 -10 54 00.2 22.2R 05GF187 568 Cn6545 2005 06 02.36380 14 34 16.45 -10 53 59.7 05GF187 568 Cn6545 2005 06 07.17737 14 33 53.37 -10 52 30.7 05GF187 304 Cn6545 2005 06 07.22145 14 33 53.18 -10 52 30.3 05GF187 304 Cn6545 2005 08 08.01365 14 32 22.42 -10 52 36.8 21.7R 05GF187 807 Co4001 2005 08 09.02191 14 32 24.63 -10 52 55.6 05GF187 807 Co4001 2005 08 10.01514 14 32 26.92 -10 53 14.8 05GF187 807 Co4001 2006 04 22.27731 14 47 23.75 -11 55 01.2 22.5R 05GF187 304 Cr0851 2006 04 22.32644 14 47 23.44 -11 55 00.1 05GF187 304 Cr0851 2006 04 26.23779 14 47 00.03 -11 53 07.3 21.6R 05GF187 807 Cr3594 2006 04 26.32218 14 46 59.50 -11 53 04.9 05GF187 807 Cr3594 2006 04 28.09996 14 46 48.75 -11 52 14.3 05GF187 807 Cr3594 2006 05 03.28787 14 46 17.03 -11 49 46.2 05GF187 695 Cr0851 2006 05 03.35244 14 46 16.66 -11 49 44.7 05GF187 695 Cr0851 2008 05 20.00865 15 03 14.49 -13 06 52.9 24.0R 05GF187 250 S~06Aq 2008 05 20.01490 15 03 14.45 -13 06 52.8 05GF187 250 S~06Aq 2008 05 20.02115 15 03 14.41 -13 06 52.7 05GF187 250 S~06Aq 2008 05 20.02740 15 03 14.38 -13 06 52.5 05GF187 250 S~06Aq 2009 04 27.36884 15 15 11.92 -13 57 29.9 22.9R 05GF187 688 C~06gB 2009 04 27.42813 15 15 11.53 -13 57 27.9 05GF187 688 C~06gB 2012 05 21.41526 15 42 15.108 -15 43 57.20 22.3G 05GF187 F51 C~2rXi 2013 06 04.41100 15 50 55.227 -16 15 51.65 23.4G 05GF187 F51 C~2rXi 2014 04 03.60152 16 07 07.641 -17 09 19.52 23.4G 05GF187 F51 C~2rXi 2014 04 30.45826 16 04 57.720 -17 01 29.39 22.9G 05GF187 F51 C~2rXi 2014 05 08.47507 16 04 08.709 -16 58 55.59 22.5G 05GF187 F51 C~2rXi 2014 05 08.48717 16 04 08.620 -16 58 55.44 23.0G 05GF187 F51 C~2rXi 2014 05 08.49930 16 04 08.553 -16 58 55.19 22.4G 05GF187 F51 C~2rXi 2014 05 08.51141 16 04 08.470 -16 58 54.47 22.3G 05GF187 F51 C~2rXi 2014 05 21.43451 16 02 44.747 -16 54 49.71 22.5G 05GF187 F51 C~2rXi 2014 07 02.35756 15 58 32.875 -16 44 48.80 22.7G 05GF187 F51 C~2rXi 2014 07 26.27185 15 57 08.888 -16 43 18.57 22.9G 05GF187 F51 C~2rXi 2014 08 22.25023 15 56 57.876 -16 46 20.09 23.0G 05GF187 F51 C~2rXi 2017 05 26.34102 16 33 51.40 -18 26 28.8 22.7R 05GF187 G37 C~2GiU 2017 05 26.39906 16 33 51.03 -18 26 27.0 05GF187 G37 C~2GiU 2018 04 12.58147 16 48 39.971 -19 02 29.78 23.4G 05GF187 F51 C~2rXi
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 -0.03 0.00 -0.05
2 0.0003 0.00 0.02 0.00 0.09
3 0.0031 0.00 -0.08 0.00 -0.14
4 0.0763 0.00 -0.02 0.00 -0.18
5 0.0785 0.00 0.11 0.00 0.08
6 0.0788 0.00 0.14 0.00 -0.14
7 0.1395 0.00 0.22 0.00 0.02
8 0.1396 0.00 -0.19 0.00 -0.14
9 0.1528 0.00 -0.08 0.00 -0.04
10 0.1529 0.00 0.18 0.00 -0.41
11 0.3221 0.00 -0.14 0.00 -0.04
12 0.3249 0.00 -0.06 0.00 -0.07
13 0.3276 0.00 -0.09 0.00 -0.22
14 1.0265 0.00 -0.14 0.00 0.47
15 1.0266 0.00 -0.34 0.00 0.15
16 1.0373 0.00 0.36 0.00 0.24
17 1.0375 0.00 0.19 0.00 0.20
18 1.0424 0.00 0.32 0.00 -0.24
19 1.0566 0.00 -0.03 0.00 0.69
20 1.0568 0.00 0.45 0.00 0.37
21 3.1038 0.00 -0.29 0.00 -0.38
22 3.1038 0.00 -0.32 0.00 -0.42
23 3.1038 0.00 -0.35 0.00 -0.47
24 3.1038 0.00 -0.23 0.00 -0.42
25 4.0411 0.00 -0.06 0.00 -0.14
26 4.0413 0.00 -0.42 0.00 0.32
27 7.1076 0.00 0.20 0.00 -0.06
28 8.1452 0.00 0.19 0.00 -0.10
29 8.9753 0.00 0.45 0.00 0.08
30 9.0489 0.00 0.32 0.00 0.08
31 9.0708 0.00 0.18 0.00 0.09
32 9.0708 0.00 0.01 0.00 0.01
33 9.0709 0.00 0.18 0.00 0.02
34 9.0709 0.00 0.10 0.00 0.51
35 9.1063 0.00 0.08 0.00 0.12
36 9.2211 0.00 -0.01 0.00 -0.08
37 9.2865 0.00 -0.03 0.00 -0.09
38 9.3604 0.00 -0.11 0.00 0.17
39 12.1204 0.00 -0.42 0.00 -0.69
40 12.1206 0.00 -0.04 0.00 0.30
41 12.9999 0.00 -0.20 0.00 -0.12
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.
05GF187 quality flag:3 Type: 3:2E 3:2E 3:2E axisobj 39.178 39.178 39.179 ecceobj 0.251 0.251 0.251 incobj 3.908 3.908 3.908 qmin 28.709 28.709 28.708 qmax 50.728 50.727 50.730 amean 39.455 39.455 39.455 amin 39.094 39.093 39.096 amax 39.884 39.884 39.885 emean 0.245 0.245 0.245 emin 0.212 0.212 0.212 emax 0.273 0.273 0.273 imean 5.425 5.423 5.427 imin 2.498 2.498 2.498 imax 7.976 7.975 7.978 excite_mean 0.264 0.264 0.264 fracstop 1.000 1.000 1.000 cjmean 2.972 2.972 2.972 libcent 0 180.4 180.0 180.4 libamp 0 27.1 27.1 27.2 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 105.0 105.0 105.0 kozaiamp 48.6 48.6 48.5