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: 15KK175
# Created Sun Nov 24 02:10:21 2024
# Orbit generated from Bernstein formalism
# Fitting 31 observations of 31
# Arc: 2.49y
# First observation: 2015/02/25
# Last observation: 2017/08/24
Preliminary a, adot, b, bdot, g, gdot:
-0.000078 0.018796 0.000014 0.000688 0.021354 0.000000
# Chi-squared of fit: 10.10 DOF: 56 RMS: 0.10
# Min/Max residuals: -0.21 0.26
# Exact a, adot, b, bdot, g, gdot:
1.358214E-05 1.866336E-02 1.214102E-07 6.926826E-04 2.121956E-02 2.921456E-03
# Covariance matrix:
1.7527E-13 2.5121E-15 -1.0533E-14 9.6374E-15 1.2821E-13 3.5684E-12
2.5121E-15 2.5526E-13 -1.3910E-14 2.0831E-14 1.9332E-13 1.0307E-11
-1.0533E-14 -1.3910E-14 1.0936E-13 -7.4199E-14 -2.1306E-14 -7.2099E-13
9.6374E-15 2.0831E-14 -7.4199E-14 8.8796E-14 2.4320E-14 1.2584E-12
1.2821E-13 1.9332E-13 -2.1306E-14 2.4320E-14 2.7364E-13 1.0549E-11
3.5684E-12 1.0307E-11 -7.2099E-13 1.2584E-12 1.0549E-11 6.5759E-10
# lat0 lon0 xBary yBary zBary JD0
8.567820 -127.026703 0.959724 0.034376 -0.227323 2457079.135298
# Heliocentric elements and errors
Epoch: 2457070.5000 = 2015/02/17
Mean Anomaly: 100.94325 +/- 0.280
Argument of Peri: 318.63693 +/- 0.240
Long of Asc Node: 156.82118 +/- 0.006
Inclination: 8.82144 +/- 0.000
Eccentricity: 0.14463199 +/- 0.0011
Semi-Major Axis: 45.25391078 +/- 0.0162
Time of Perihelion: 2425891.8440 +/- 84.8
Perihelion: 38.70874767 +/- 0.0529
Aphelion: 51.79907389 +/- 0.0543
Period (y) 304.4335 +/- 0.16
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -28.96935728 +/- 0.0007
Ecliptic Y -36.80911443 +/- 0.0009
Ecliptic Z 7.02090296 +/- 0.0002
Ecliptic XDOT 0.00170244 +/- 0.0000
Ecliptic YDOT -0.00174266 +/- 0.0000
Ecliptic ZDOT 0.00014462 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 47.36483552 +/- 0.0008
Geocenter to KBO 47.12633141 +/- 0.0012
# Hcoef: 7.73
The following table shows the complete astrometric record for 15KK175. 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 (15KK175) followed by the observatory code and reference code for the source of the astrometry.
2015 02 25.63452 15 31 04.095 -10 12 52.85 24.3r 15KK175 568 C~2nvh 2015 03 19.62860 15 30 39.297 -10 07 17.24 24.7r 15KK175 568 C~2nvh 2015 03 22.54735 15 30 33.180 -10 06 25.64 24.3r 15KK175 568 C~2nvh 2015 04 13.56008 15 29 29.437 -09 59 27.75 24.8r 15KK175 568 C~2nvh 2015 04 13.60117 15 29 29.301 -09 59 27.13 24.6r 15KK175 568 C~2nvh 2015 04 18.57019 15 29 11.353 -09 57 49.99 24.3r 15KK175 568 C~2nvh 2015 05 21.33063 15 26 56.957 -09 48 07.83 24.5r 15KK175 568 C~2nvh 2015 05 21.37180 15 26 56.779 -09 48 07.29 24.4r 15KK175 568 C~2nvh 2015 05 21.41305 15 26 56.605 -09 48 06.72 24.5r 15KK175 568 C~2nvh 2015 05 22.48950 15 26 52.050 -09 47 50.81 24.4r 15KK175 568 C~2nvh 2015 06 20.36937 15 25 00.463 -09 42 40.34 24.3r 15KK175 568 C~2nvh 2015 06 20.41027 15 25 00.317 -09 42 40.09 24.4r 15KK175 568 C~2nvh 2015 06 23.43052 15 24 50.490 -09 42 22.82 24.3r 15KK175 568 C~2nvh 2015 07 11.31323 15 24 03.096 -09 41 47.18 24.7r 15KK175 568 C~2nvh 2015 07 18.37369 15 23 50.174 -09 42 05.16 24.2r 15KK175 568 C~2nvh 2016 02 05.61404 15 35 04.109 -10 29 12.95 24.7w 15KK175 568 C~2nvh 2016 02 11.62635 15 35 12.238 -10 28 30.67 24.6w 15KK175 568 C~2nvh 2016 03 13.63308 15 35 05.112 -10 22 04.91 24.8w 15KK175 568 C~2nvh 2016 03 15.55616 15 35 02.060 -10 21 33.21 24.7w 15KK175 568 C~2nvh 2016 03 17.57650 15 34 58.543 -10 20 59.43 24.3w 15KK175 568 C~2nvh 2016 04 03.51415 15 34 17.769 -10 15 54.60 24.7w 15KK175 568 C~2nvh 2016 04 08.56382 15 34 02.110 -10 14 18.76 24.4w 15KK175 568 C~2nvh 2016 04 29.44947 15 32 44.970 -10 07 43.70 24.6w 15KK175 568 C~2nvh 2016 05 04.38456 15 32 24.719 -10 06 14.73 24.8w 15KK175 568 C~2nvh 2016 05 30.49842 15 30 34.889 -09 59 34.21 24.6w 15KK175 568 C~2nvh 2016 07 03.35430 15 28 37.388 -09 55 31.22 25.0w 15KK175 568 C~2nvh 2016 07 05.33811 15 28 32.330 -09 55 28.80 24.9w 15KK175 568 C~2nvh 2017 03 30.56791 15 38 46.591 -10 30 21.36 15KK175 568 C~2nvh 2017 08 20.27585 15 32 07.882 -10 14 13.79 24.3w 15KK175 568 C~2nvh 2017 08 23.26141 15 32 10.937 -10 14 57.72 25.6w 15KK175 568 C~2nvh 2017 08 24.24592 15 32 12.123 -10 15 12.58 25.0w 15KK175 568 C~2nvh
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 0.07 0.00 0.08
2 0.0602 -436.84 -0.05 236.33 0.03
3 0.0682 -537.02 -0.09 264.36 -0.09
4 0.1285 -1552.07 -0.19 439.73 -0.07
5 0.1286 -1554.17 0.01 439.84 -0.21
6 0.1422 -1835.05 -0.00 469.15 0.06
7 0.2319 -3903.65 -0.09 545.74 0.20
8 0.2320 -3906.33 -0.09 545.62 0.12
9 0.2321 -3908.96 -0.03 545.54 0.08
10 0.2351 -3978.16 -0.10 544.37 -0.04
11 0.3141 -5654.25 0.13 437.51 0.01
12 0.3142 -5656.40 0.03 437.21 -0.03
13 0.3225 -5801.56 -0.06 417.93 -0.00
14 0.3715 -6489.82 0.04 278.45 0.01
15 0.3908 -6670.60 0.26 213.51 -0.01
16 0.9445 3673.91 0.11 -94.36 -0.15
17 0.9610 3780.17 0.03 -24.50 0.03
18 1.0459 3585.36 0.08 324.75 -0.06
19 1.0511 3534.02 0.01 344.70 0.15
20 1.0567 3475.50 -0.00 365.01 0.16
21 1.1030 2817.93 0.02 516.05 -0.01
22 1.1168 2570.47 0.05 553.34 0.00
23 1.1740 1369.76 0.05 661.47 -0.08
24 1.1875 1058.06 0.11 675.34 -0.05
25 1.2590 -612.84 -0.16 669.54 -0.16
26 1.3517 -2355.63 -0.15 480.76 -0.20
27 1.3572 -2428.68 0.18 464.78 0.06
28 2.0915 6878.77 -0.02 623.56 0.11
29 2.4822 933.06 -0.09 150.29 0.11
30 2.4904 987.46 -0.13 118.61 -0.10
31 2.4931 1008.05 0.09 108.44 0.04
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.
15KK175 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.881 44.927 44.836 ecceobj 0.144 0.147 0.141 incobj 8.837 8.838 8.837 qmin 37.832 37.749 37.913 qmax 52.946 53.059 52.826 amean 45.188 45.237 45.105 amin 44.809 44.856 44.689 amax 45.634 45.676 45.580 emean 0.146 0.149 0.140 emin 0.132 0.135 0.124 emax 0.161 0.163 0.159 imean 8.289 8.303 8.204 imin 7.737 7.739 7.557 imax 8.999 9.029 8.940 excite_mean 0.205 0.207 0.200 fracstop 1.000 1.000 1.000 cjmean 3.065 3.064 3.066 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 174.7 174.5 177.8 kozaiamp 180.0 179.9 180.0