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: 15RC279
# Created Fri Apr 19 01:17:38 2024
# Orbit generated from Bernstein formalism
# Fitting 39 observations of 39
# Arc: 2.25y
# First observation: 2015/06/23
# Last observation: 2017/09/22
Preliminary a, adot, b, bdot, g, gdot:
-0.000061 0.039550 0.000062 0.012635 0.030422 0.000000
# Chi-squared of fit: 16.88 DOF: 72 RMS: 0.12
# Min/Max residuals: -0.33 0.31
# Exact a, adot, b, bdot, g, gdot:
2.008049E-05 3.882690E-02 6.636914E-06 1.257481E-02 2.985868E-02 9.813565E-03
# Covariance matrix:
1.3659E-13 1.1107E-13 -1.5531E-14 4.4954E-14 1.8149E-13 1.8899E-12
1.1107E-13 8.8319E-13 -8.2054E-14 2.8849E-13 7.1036E-13 1.1985E-11
-1.5531E-14 -8.2054E-14 8.7884E-14 -8.9303E-14 -6.9905E-14 -1.2771E-12
4.4954E-14 2.8849E-13 -8.9303E-14 1.9502E-13 2.3157E-13 4.7780E-12
1.8149E-13 7.1036E-13 -6.9905E-14 2.3157E-13 6.7444E-13 9.6533E-12
1.8899E-12 1.1985E-11 -1.2771E-12 4.7780E-12 9.6533E-12 1.9783E-10
# lat0 lon0 xBary yBary zBary JD0
2.407044 7.249738 1.011699 -0.003975 0.096823 2457197.075148
# Heliocentric elements and errors
Epoch: 2457190.5000 = 2015/06/17
Mean Anomaly: 4.14351 +/- 0.006
Argument of Peri: 338.49770 +/- 0.039
Long of Asc Node: 358.09780 +/- 0.000
Inclination: 18.08409 +/- 0.000
Eccentricity: 0.68437624 +/- 0.0003
Semi-Major Axis: 100.34031008 +/- 0.0659
Time of Perihelion: 2452965.0027 +/- 4.7
Perihelion: 31.66978600 +/- 0.0334
Aphelion: 169.01083416 +/- 0.1141
Period (y) 1005.1280 +/- 0.99
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 33.22207730 +/- 0.0009
Ecliptic Y 3.20733448 +/- 0.0001
Ecliptic Z 1.40685471 +/- 0.0000
Ecliptic XDOT 0.00039208 +/- 0.0000
Ecliptic YDOT 0.00363282 +/- 0.0000
Ecliptic ZDOT 0.00118987 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 33.40617690 +/- 0.0009
Geocenter to KBO 33.49109841 +/- 0.0009
# Hcoef: 9.17
The following table shows the complete astrometric record for 15RC279. 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 (15RC279) followed by the observatory code and reference code for the source of the astrometry.
2015 06 23.57437 00 22 48.618 +05 05 16.83 24.4r 15RC279 568 C~2lVT 2015 07 14.57959 00 23 00.535 +05 10 58.13 25.2r 15RC279 568 C~2lVT 2015 07 19.55858 00 22 56.429 +05 11 34.23 24.4r 15RC279 568 C~2lVT 2015 08 13.46351 00 21 58.923 +05 10 27.12 23.8r 15RC279 568 C~2lVT 2015 08 13.46762 00 21 58.896 +05 10 26.91 24.0r 15RC279 568 C~2lVT 2015 08 13.50453 00 21 58.757 +05 10 26.28 24.6r 15RC279 568 C~2lVT 2015 08 13.55793 00 21 58.568 +05 10 25.80 24.6r 15RC279 568 C~2lVT 2015 08 13.61289 00 21 58.378 +05 10 25.09 24.3r 15RC279 568 C~2lVT 2015 08 19.57132 00 21 36.348 +05 09 11.53 24.1r 15RC279 568 C~2lVT 2015 08 19.60028 00 21 36.236 +05 09 10.94 24.4r 15RC279 568 C~2lVT 2015 08 20.39916 00 21 33.093 +05 08 59.94 24.2r 15RC279 568 C~2lVT 2015 08 20.44552 00 21 32.893 +05 08 59.19 24.3r 15RC279 568 C~2lVT 2015 09 07.55043 00 20 10.282 +05 03 18.73 24.3w 15RC279 568 C~2lVT 2015 09 09.37654 00 20 01.025 +05 02 36.81 24.1r 15RC279 568 C~2lVT 2015 09 09.42093 00 20 00.790 +05 02 35.90 24.2r 15RC279 568 C~2lVT 2015 09 09.46188 00 20 00.575 +05 02 34.92 24.3r 15RC279 568 C~2lVT 2015 09 10.48141 00 19 55.330 +05 02 10.84 24.4w 15RC279 568 C~2lVT 2015 09 18.44074 00 19 13.223 +04 58 53.01 24.8w 15RC279 568 C~2lVT 2015 09 18.48843 00 19 12.971 +04 58 51.94 24.5w 15RC279 568 C~2lVT 2015 10 08.32880 00 17 24.628 +04 49 50.77 24.7w 15RC279 568 C~2lVT 2015 10 08.38143 00 17 24.318 +04 49 49.12 24.8w 15RC279 568 C~2lVT 2015 10 09.29849 00 17 19.392 +04 49 23.66 24.3w 15RC279 568 C~2lVT 2016 09 06.53623 00 27 24.762 +06 37 40.09 15RC279 568 C~2lVT 2016 09 06.57833 00 27 24.545 +06 37 39.28 15RC279 568 C~2lVT 2016 09 27.49284 00 25 34.301 +06 29 06.83 24.3w 15RC279 568 C~2lVT 2016 10 30.32669 00 22 44.544 +06 14 15.09 15RC279 568 C~2lVT 2016 10 30.33074 00 22 44.522 +06 14 14.90 15RC279 568 C~2lVT 2016 10 30.36491 00 22 44.378 +06 14 14.25 15RC279 568 C~2lVT 2016 11 02.28217 00 22 31.496 +06 13 02.87 15RC279 568 C~2lVT 2016 11 03.27521 00 22 27.273 +06 12 39.26 15RC279 568 C~2lVT 2016 11 03.28100 00 22 27.232 +06 12 38.86 15RC279 568 C~2lVT 2016 11 03.32774 00 22 27.051 +06 12 38.17 15RC279 568 C~2lVT 2016 11 03.33353 00 22 27.015 +06 12 37.83 15RC279 568 C~2lVT 2016 12 24.25721 00 20 50.254 +06 03 39.79 26.7w 15RC279 568 C~2lVT 2016 12 24.27988 00 20 50.282 +06 03 39.84 24.8w 15RC279 568 C~2lVT 2017 01 02.24497 00 21 02.226 +06 05 01.14 24.7w 15RC279 568 C~2lVT 2017 01 26.23123 00 22 17.181 +06 13 23.33 24.6w 15RC279 568 C~2lVT 2017 09 16.48602 00 33 43.312 +08 06 11.88 24.5w 15RC279 568 C~2lVT 2017 09 22.43395 00 33 11.815 +08 03 47.38 15RC279 568 C~2lVT
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 0.10 0.00 0.00
2 0.0575 298.67 0.03 242.86 0.02
3 0.0711 256.65 -0.07 300.30 -0.02
4 0.1393 -558.68 0.31 579.12 0.20
5 0.1393 -559.13 0.07 579.09 0.12
6 0.1394 -561.29 -0.14 579.33 -0.05
7 0.1396 -564.07 -0.09 580.01 0.02
8 0.1397 -566.96 -0.06 580.48 -0.13
9 0.1560 -898.26 -0.04 643.46 -0.13
10 0.1561 -900.03 -0.05 643.58 -0.33
11 0.1583 -947.50 0.11 652.10 0.02
12 0.1584 -950.54 -0.08 652.60 0.01
13 0.2080 -2218.64 -0.08 829.94 0.06
14 0.2130 -2362.25 0.04 846.40 0.02
15 0.2131 -2365.84 0.04 846.96 0.15
16 0.2132 -2369.17 0.01 847.33 0.13
17 0.2160 -2450.67 -0.03 856.36 -0.01
18 0.2378 -3106.80 -0.24 924.82 -0.17
19 0.2380 -3110.69 -0.04 925.34 -0.08
20 0.2923 -4812.20 0.27 1072.92 0.09
21 0.2924 -4817.11 -0.09 1073.25 0.04
22 0.2949 -4894.83 0.01 1079.20 0.07
23 1.2073 5978.13 -0.08 3464.54 -0.11
24 1.2074 5974.84 -0.12 3465.07 -0.01
25 1.2647 4261.83 0.19 3642.33 -0.04
26 1.3546 1583.84 0.11 3824.26 0.02
27 1.3546 1583.46 0.03 3824.21 -0.04
28 1.3547 1581.23 0.30 3824.47 0.06
29 1.3626 1376.53 -0.25 3835.03 0.11
30 1.3654 1309.35 0.07 3838.31 -0.02
31 1.3654 1308.63 -0.25 3838.18 -0.17
32 1.3655 1305.88 0.21 3838.62 0.08
33 1.3655 1305.25 -0.02 3838.52 -0.04
34 1.5049 -233.18 -0.13 3916.95 0.09
35 1.5050 -232.78 -0.00 3916.83 -0.05
36 1.5296 -36.95 -0.06 3920.75 0.01
37 1.5952 1188.63 0.01 3938.44 0.08
38 2.2338 13263.17 0.03 6146.40 0.02
39 2.2501 12774.05 -0.03 6196.12 -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.
15RC279 quality flag:2 Type: CENTAURS CENTAURS SCATNEAR axisobj 103.253 103.532 102.976 ecceobj 0.693 0.694 0.692 incobj 18.026 18.025 18.026 qmin 29.309 28.985 30.325 qmax 200.795 258.763 180.757 amean 102.203 120.898 95.915 amin 92.592 99.054 91.734 amax 116.101 144.781 106.317 emean 0.695 0.743 0.668 emin 0.653 0.677 0.648 emax 0.735 0.792 0.700 imean 17.023 15.803 19.093 imin 14.197 12.282 17.620 imax 19.630 19.213 21.463 excite_mean 0.754 0.792 0.744 fracstop 1.000 1.000 1.000 cjmean 2.824 2.823 2.823 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 180.9 149.6 153.5 kozaiamp 180.0 179.9 180.0