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: 15KH174
# Created Fri Nov 22 02:10:23 2024
# Orbit generated from Bernstein formalism
# Fitting 36 observations of 36
# Arc: 3.24y
# First observation: 2014/05/31
# Last observation: 2017/08/27
Preliminary a, adot, b, bdot, g, gdot:
-0.000113 0.033214 -0.000012 0.005333 0.028657 0.000000
# Chi-squared of fit: 3.05 DOF: 66 RMS: 0.05
# Min/Max residuals: -0.11 0.18
# Exact a, adot, b, bdot, g, gdot:
1.823677E-05 3.282425E-02 2.062190E-06 5.271403E-03 2.846060E-02 -9.457211E-03
# Covariance matrix:
2.2543E-13 -2.9238E-13 1.6893E-14 -3.6433E-14 -7.5595E-14 -2.4160E-12
-2.9238E-13 5.7669E-13 -3.9680E-14 8.4946E-14 1.1351E-13 5.7236E-12
1.6893E-14 -3.9680E-14 1.2648E-13 -7.4449E-14 -7.6758E-15 -4.3756E-13
-3.6433E-14 8.4946E-14 -7.4449E-14 6.9393E-14 1.7782E-14 9.3425E-13
-7.5595E-14 1.1351E-13 -7.6758E-15 1.7782E-14 1.5819E-13 1.0041E-12
-2.4160E-12 5.7236E-12 -4.3756E-13 9.3425E-13 1.0041E-12 6.3302E-11
# lat0 lon0 xBary yBary zBary JD0
5.191614 -124.928231 -0.258617 0.088862 -0.977454 2456808.928768
# Heliocentric elements and errors
Epoch: 2456800.5000 = 2014/05/23
Mean Anomaly: 338.50258 +/- 0.010
Argument of Peri: 83.32836 +/- 0.028
Long of Asc Node: 206.49251 +/- 0.001
Inclination: 10.33562 +/- 0.000
Eccentricity: 0.42659876 +/- 0.0002
Semi-Major Axis: 55.23472016 +/- 0.0124
Time of Perihelion: 2465754.1560 +/- 2.7
Perihelion: 31.67165715 +/- 0.0142
Aphelion: 78.79778317 +/- 0.0216
Period (y) 410.5126 +/- 0.14
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -20.38597727 +/- 0.0003
Ecliptic Y -29.64031473 +/- 0.0004
Ecliptic Z 3.17950560 +/- 0.0000
Ecliptic XDOT 0.00312861 +/- 0.0000
Ecliptic YDOT -0.00103110 +/- 0.0000
Ecliptic ZDOT 0.00042282 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 36.11434039 +/- 0.0004
Geocenter to KBO 35.13629145 +/- 0.0005
# Hcoef: 7.65
The following table shows the complete astrometric record for 15KH174. 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 (15KH174) followed by the observatory code and reference code for the source of the astrometry.
2014 05 31.42799 15 36 02.575 -13 59 27.20 20.7r 15KH174 568 C~2lVJ 2014 06 01.31617 15 35 57.972 -13 59 10.50 23.3r 15KH174 568 C~2lVJ 2014 06 01.35941 15 35 57.743 -13 59 09.67 23.1r 15KH174 568 C~2lVJ 2014 06 01.40234 15 35 57.515 -13 59 08.95 23.0r 15KH174 568 C~2lVJ 2014 06 22.31374 15 34 18.544 -13 53 37.42 23.2r 15KH174 568 C~2lVJ 2014 06 22.35659 15 34 18.364 -13 53 36.92 23.4r 15KH174 568 C~2lVJ 2015 02 23.61954 15 49 31.871 -14 39 11.60 23.5r 15KH174 568 C~2lVJ 2015 03 19.57896 15 49 18.382 -14 33 41.52 23.4r 15KH174 568 C~2lVJ 2015 03 21.63764 15 49 14.282 -14 33 05.25 23.3r 15KH174 568 C~2lVJ 2015 04 18.51897 15 47 40.654 -14 23 30.58 23.4r 15KH174 568 C~2lVJ 2015 05 17.39179 15 45 14.131 -14 12 43.66 23.2r 15KH174 568 C~2lVJ 2015 05 17.43344 15 45 13.888 -14 12 42.77 23.1r 15KH174 568 C~2lVJ 2015 05 17.48044 15 45 13.626 -14 12 41.75 23.3r 15KH174 568 C~2lVJ 2015 05 17.48543 15 45 13.606 -14 12 41.71 23.2r 15KH174 568 C~2lVJ 2015 05 17.51054 15 45 13.465 -14 12 41.08 23.1r 15KH174 568 C~2lVJ 2015 05 24.37741 15 44 36.123 -14 10 18.25 23.2r 15KH174 568 C~2lVJ 2015 05 24.42349 15 44 35.873 -14 10 17.36 23.3r 15KH174 568 C~2lVJ 2015 05 24.46441 15 44 35.639 -14 10 16.46 23.2r 15KH174 568 C~2lVJ 2015 05 26.45236 15 44 24.880 -14 09 36.70 23.1r 15KH174 568 C~2lVJ 2015 06 18.35156 15 42 28.653 -14 03 08.35 22.9r 15KH174 568 C~2lVJ 2015 06 18.39254 15 42 28.467 -14 03 07.81 23.2r 15KH174 568 C~2lVJ 2015 06 21.36717 15 42 15.085 -14 02 28.71 23.2r 15KH174 568 C~2lVJ 2015 07 10.42339 15 41 04.064 -13 59 34.08 23.2r 15KH174 568 C~2lVJ 2015 07 18.32575 15 40 43.499 -13 59 02.93 23.1r 15KH174 568 C~2lVJ 2015 07 18.34810 15 40 43.454 -13 59 03.05 23.3r 15KH174 568 C~2lVJ 2016 04 03.58309 15 56 39.348 -14 35 49.30 23.5w 15KH174 568 C~2lVJ 2016 04 08.63261 15 56 21.855 -14 34 04.62 23.3w 15KH174 568 C~2lVJ 2016 04 09.57657 15 56 18.358 -14 33 44.55 23.5w 15KH174 568 C~2lVJ 2016 04 29.52576 15 54 49.830 -14 26 27.17 23.3w 15KH174 568 C~2lVJ 2016 05 04.49833 15 54 24.411 -14 24 37.12 23.3w 15KH174 568 C~2lVJ 2016 05 30.44177 15 52 03.712 -14 15 44.62 23.4w 15KH174 568 C~2lVJ 2016 07 04.32652 15 49 20.168 -14 08 00.88 23.4w 15KH174 568 C~2lVJ 2016 07 05.39888 15 49 16.335 -14 07 53.22 23.4w 15KH174 568 C~2lVJ 2017 07 17.26622 15 56 47.613 -14 14 00.09 23.4w 15KH174 568 C~2lVJ 2017 08 25.25930 15 56 21.797 -14 17 20.84 23.4w 15KH174 568 C~2lVJ 2017 08 27.25133 15 56 25.017 -14 17 45.91 23.6w 15KH174 568 C~2lVJ
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 0.00 0.00 0.18
2 0.0024 -69.05 -0.01 0.51 0.01
3 0.0026 -72.48 -0.03 0.53 0.03
4 0.0027 -75.88 -0.03 0.45 -0.06
5 0.0599 -1554.30 -0.01 -16.88 0.01
6 0.0600 -1556.96 0.04 -17.01 -0.01
7 0.7343 12009.49 0.01 356.65 0.01
8 0.7999 11744.83 -0.02 635.83 0.03
9 0.8055 11678.55 -0.01 658.09 -0.06
10 0.8818 10221.03 -0.09 917.14 0.00
11 0.9609 7996.16 0.09 1070.71 -0.01
12 0.9610 7992.52 -0.09 1070.78 -0.05
13 0.9611 7988.57 -0.11 1070.92 -0.04
14 0.9611 7988.28 0.01 1070.89 -0.08
15 0.9612 7986.13 -0.04 1071.04 0.00
16 0.9800 7424.09 0.05 1087.68 -0.01
17 0.9801 7420.34 0.12 1087.72 -0.03
18 0.9803 7416.81 -0.01 1087.83 0.01
19 0.9857 7255.19 -0.02 1091.19 0.02
20 1.0484 5518.65 -0.02 1085.29 -0.01
21 1.0485 5515.89 0.07 1085.20 -0.01
22 1.0566 5317.23 -0.02 1078.82 0.01
23 1.1088 4270.53 -0.03 1012.09 0.01
24 1.1305 3971.93 -0.01 973.62 0.10
25 1.1305 3971.32 0.12 973.36 -0.04
26 1.8430 18055.24 0.06 1904.65 -0.04
27 1.8568 17782.78 -0.02 1952.85 -0.10
28 1.8594 17728.50 0.02 1961.63 0.03
29 1.9140 16369.80 0.07 2113.37 -0.01
30 1.9276 15983.13 0.01 2141.26 0.01
31 1.9987 13860.40 0.01 2217.15 -0.02
32 2.0942 11429.10 -0.04 2146.54 0.00
33 2.0971 11372.85 -0.02 2141.66 -0.07
34 3.1289 17893.00 -0.04 3214.43 0.10
35 3.2357 17566.57 -0.03 2936.93 0.02
36 3.2411 17618.02 0.01 2922.41 0.03
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.
15KH174 quality flag:3 Type: 5:2EEE 5:2EEE 5:2EEE axisobj 54.919 54.947 54.892 ecceobj 0.426 0.427 0.426 incobj 10.370 10.370 10.370 qmin 31.000 30.919 30.961 qmax 81.202 81.341 81.345 amean 55.462 55.462 55.462 amin 54.769 54.731 54.770 amax 56.378 56.424 56.415 emean 0.430 0.431 0.431 emin 0.420 0.420 0.420 emax 0.441 0.443 0.442 imean 10.683 10.635 10.634 imin 10.500 10.389 10.400 imax 10.902 10.891 10.921 excite_mean 0.468 0.469 0.468 fracstop 1.000 1.000 1.000 cjmean 2.951 2.950 2.951 libcent 0 180.3 180.1 181.0 libamp 0 72.9 78.0 78.0 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 159.0 167.7 168.7 kozaiamp 87.3 97.4 97.3