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: 17FH252 # Created Mon Apr 28 01:11:08 2025 # Orbit generated from Bernstein formalism # Fitting 109 observations of 110 # Arc: 4.22y # First observation: 2015/01/16 # Last observation: 2019/04/05 Preliminary a, adot, b, bdot, g, gdot: 0.000012 0.017380 -0.000002 0.001798 0.020602 0.000000 # Chi-squared of fit: 85.13 DOF: 212 RMS: 0.16 # Min/Max residuals: -0.55 0.45 # Exact a, adot, b, bdot, g, gdot: 1.301359E-05 1.718989E-02 1.271019E-06 1.783389E-03 2.036599E-02 -3.974071E-03 # Covariance matrix: 3.1373E-14 2.7042E-15 1.0428E-16 3.9533E-16 2.8932E-14 1.2165E-13 2.7042E-15 1.2599E-13 -1.1591E-15 1.0449E-14 1.5413E-13 2.2554E-12 1.0428E-16 -1.1591E-15 2.6109E-14 -1.1923E-14 -8.6379E-16 -3.4304E-14 3.9533E-16 1.0449E-14 -1.1923E-14 1.2043E-14 1.1464E-14 2.4724E-13 2.8932E-14 1.5413E-13 -8.6379E-16 1.1464E-14 2.3272E-13 2.5745E-12 1.2165E-13 2.2554E-12 -3.4304E-14 2.4724E-13 2.5745E-12 5.1680E-11 # lat0 lon0 xBary yBary zBary JD0 -9.152929 151.239296 0.570443 -0.126950 -0.788936 2457039.032197 # Heliocentric elements and errors Epoch: 2457030.5000 = 2015/01/08 Mean Anomaly: 274.44138 +/- 0.066 Argument of Peri: 54.99063 +/- 0.037 Long of Asc Node: 207.33660 +/- 0.002 Inclination: 10.73003 +/- 0.000 Eccentricity: 0.23668349 +/- 0.0004 Semi-Major Axis: 48.12843516 +/- 0.0100 Time of Perihelion: 2486014.7667 +/- 20.3 Perihelion: 36.73722904 +/- 0.0187 Aphelion: 59.51964128 +/- 0.0210 Period (y) 333.8957 +/- 0.10 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -42.92534414 +/- 0.0010 Ecliptic Y 24.20925370 +/- 0.0006 Ecliptic Z -7.81054093 +/- 0.0002 Ecliptic XDOT -0.00068682 +/- 0.0000 Ecliptic YDOT -0.00226657 +/- 0.0000 Ecliptic ZDOT 0.00032177 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 49.89667007 +/- 0.0009 Geocenter to KBO 49.10146920 +/- 0.0012 # Hcoef: 8.37
The following table shows the complete astrometric record for 17FH252. 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 (17FH252) followed by the observatory code and reference code for the source of the astrometry.
2015 01 16.531419 10 00 06.91 +02 27 54.3 17FH252 T09 C~8Zoc 2015 01 16.53143 10 00 06.90 +02 27 54.3 24.6z 17FH252 T09 C~8eWX 2015 01 16.53533 10 00 06.90 +02 27 54.3 24.6z 17FH252 T09 C~8eWX 2015 01 16.53924 10 00 06.88 +02 27 54.3 24.6z 17FH252 T09 C~8eWX 2015 01 16.54315 10 00 06.86 +02 27 54.5 24.7z 17FH252 T09 C~8eWX 2015 01 16.55599 10 00 06.83 +02 27 54.6 24.9z 17FH252 T09 C~8eWX 2015 01 16.56849 10 00 06.78 +02 27 54.6 24.7z 17FH252 T09 C~8eWX 2015 01 16.57632 10 00 06.76 +02 27 54.8 24.3z 17FH252 T09 C~8eWX 2015 01 16.58435 10 00 06.72 +02 27 55.0 24.7z 17FH252 T09 C~8eWX 2015 01 16.59163 10 00 06.70 +02 27 55.0 24.5z 17FH252 T09 C~8eWX 2015 01 16.60268 10 00 06.67 +02 27 55.3 24.4z 17FH252 T09 C~8eWX 2015 01 16.60661 10 00 06.65 +02 27 55.3 24.9z 17FH252 T09 C~8eWX 2015 01 16.61055 10 00 06.63 +02 27 55.3 24.7z 17FH252 T09 C~8eWX 2015 01 16.61461 10 00 06.63 +02 27 55.3 24.6z 17FH252 T09 C~8eWX 2015 01 16.61862 10 00 06.61 +02 27 55.3 25.0z 17FH252 T09 C~8eWX 2015 01 16.62595 10 00 06.60 +02 27 55.5 25.0z 17FH252 T09 C~8eWX 2015 01 16.636761 10 00 06.55 +02 27 55.5 17FH252 T09 C~8Zoc 2015 01 17.36841 10 00 04.15 +02 28 04.7 24.6i 17FH252 T09 C~8eWX 2015 01 17.41437 10 00 04.02 +02 28 05.0 25.1i 17FH252 T09 C~8eWX 2015 01 17.41902 10 00 04.01 +02 28 05.2 24.9i 17FH252 T09 C~8eWX 2015 01 19.38291 09 59 57.42 +02 28 30.5 24.9z 17FH252 T09 C~8eWX 2015 01 19.41965 09 59 57.30 +02 28 30.7 25.2z 17FH252 T09 C~8eWX 2015 01 19.42888 09 59 57.27 +02 28 30.7 24.6z 17FH252 T09 C~8eWX 2015 01 20.37534 09 59 54.08 +02 28 43.5 26.2g 17FH252 T09 C~8eWX 2015 01 20.38493 09 59 54.04 +02 28 43.5 26.9g 17FH252 T09 C~8eWX 2015 01 20.38975 09 59 53.99 +02 28 43.6 26.3g 17FH252 T09 C~8eWX 2015 01 20.39453 09 59 54.01 +02 28 43.6 26.9g 17FH252 T09 C~8eWX 2015 01 20.39935 09 59 53.99 +02 28 44.1 26.6g 17FH252 T09 C~8eWX 2015 01 20.42343 09 59 53.90 +02 28 44.3 26.4g 17FH252 T09 C~8eWX 2015 01 20.42825 09 59 53.86 +02 28 44.3 26.0g 17FH252 T09 C~8eWX 2015 01 20.43306 09 59 53.85 +02 28 44.3 25.9g 17FH252 T09 C~8eWX 2015 01 20.43784 09 59 53.85 +02 28 44.5 26.1g 17FH252 T09 C~8eWX 2015 01 21.55881 09 59 49.97 +02 28 59.9 24.8i 17FH252 T09 C~8eWX 2015 01 21.56266 09 59 49.96 +02 29 00.1 25.0i 17FH252 T09 C~8eWX 2015 01 21.56653 09 59 49.94 +02 29 00.1 24.7i 17FH252 T09 C~8eWX 2015 01 21.57534 09 59 49.92 +02 29 00.1 25.1i 17FH252 T09 C~8eWX 2015 01 21.58764 09 59 49.86 +02 29 00.4 24.9i 17FH252 T09 C~8eWX 2015 01 21.59154 09 59 49.85 +02 29 00.4 24.6i 17FH252 T09 C~8eWX 2015 01 21.59540 09 59 49.86 +02 29 00.4 24.5i 17FH252 T09 C~8eWX 2015 01 21.61354 09 59 49.78 +02 29 00.8 24.8i 17FH252 T09 C~8eWX 2015 01 21.61742 09 59 49.76 +02 29 00.8 24.5i 17FH252 T09 C~8eWX 2015 01 21.63940 09 59 49.69 +02 29 01.1 25.1i 17FH252 T09 C~8eWX 2015 01 21.64327 09 59 49.69 +02 29 01.3 24.5i 17FH252 T09 C~8eWX 2015 01 21.64723 09 59 49.67 +02 29 01.3 24.2i 17FH252 T09 C~8eWX 2015 01 21.65451 09 59 49.65 +02 29 01.4 24.8i 17FH252 T09 C~8eWX 2015 03 18.39076 09 56 19.04 +02 49 04.2 25.2r 17FH252 T09 C~8eWX 2015 03 18.41164 09 56 18.95 +02 49 04.5 25.3r 17FH252 T09 C~8eWX 2015 03 18.42974 09 56 18.90 +02 49 04.9 25.8r 17FH252 T09 C~8eWX 2015 03 18.44789 09 56 18.83 +02 49 05.5 25.1r 17FH252 T09 C~8eWX 2015 03 20.33757 09 56 12.60 +02 49 52.3 24.8i 17FH252 T09 C~8eWX 2015 03 20.35412 09 56 12.53 +02 49 53.1 25.0i 17FH252 T09 C~8eWX 2015 03 20.38334 09 56 12.44 +02 49 53.6 25.0i 17FH252 T09 C~8eWX 2016 03 07.30953 10 00 47.50 +02 29 47.4 25.9g 17FH252 T09 C~8eWX 2016 03 07.31343 10 00 47.52 +02 29 47.1 26.0g 17FH252 T09 C~8eWX 2016 03 07.32114 10 00 47.46 +02 29 47.4 26.2g 17FH252 T09 C~8eWX 2016 03 09.32069 10 00 40.05 +02 30 37.8 25.2r 17FH252 T09 C~8eWX 2016 03 09.32455 10 00 40.04 +02 30 37.6 25.5r 17FH252 T09 C~8eWX 2016 03 09.32844 10 00 40.00 +02 30 37.8 25.4r 17FH252 T09 C~8eWX 2016 03 09.33236 10 00 40.03 +02 30 38.1 25.4r 17FH252 T09 C~8eWX 2016 03 09.33622 10 00 40.00 +02 30 38.1 25.4r 17FH252 T09 C~8eWX 2016 03 12.39109 10 00 28.90 +02 31 54.7 25.1z 17FH252 T09 C~8eWX 2016 03 12.45077 10 00 28.68 +02 31 56.9 25.2z 17FH252 T09 C~8eWX 2016 03 12.45461 10 00 28.67 +02 31 56.9 25.1z 17FH252 T09 C~8eWX 2016 03 12.45847 10 00 28.65 +02 31 56.9 25.1z 17FH252 T09 C~8eWX 2016 03 12.46234 10 00 28.65 +02 31 56.7 24.9z 17FH252 T09 C~8eWX 2016 03 12.46618 10 00 28.62 +02 31 57.1 24.5z 17FH252 T09 C~8eWX 2016 03 12.47004 10 00 28.61 +02 31 57.2 25.4z 17FH252 T09 C~8eWX 2017 01 02.557562 10 08 30.46 +01 55 43.3 17FH252 T09 C~8Zoc 2017 03 22.38749 10 03 48.92 +02 20 54.9 24.4z 17FH252 T09 C~8HL4 2017 03 22.41317 10 03 48.84 +02 20 55.6 24.9z 17FH252 T09 C~8HL4 2017 03 22.43886 10 03 48.75 +02 20 55.9 24.3z 17FH252 T09 C~8HL4 2017 03 22.46449 10 03 48.66 +02 20 56.7 24.3z 17FH252 T09 C~8HL4 2017 03 22.48627 10 03 48.60 +02 20 57.4 24.5z 17FH252 T09 C~8HL4 2017 03 23.23750 10 03 46.16 +02 21 16.2 24.8i 17FH252 T09 C~8HL4 2017 03 23.24138 10 03 46.18 +02 21 16.6 25.2i 17FH252 T09 C~8HL4 2017 03 23.24858 10 03 46.14 +02 21 16.7 25.5i 17FH252 T09 C~8HL4 2017 03 23.27035 10 03 46.06 +02 21 17.1 25.3i 17FH252 T09 C~8HL4 2017 03 25.25752 10 03 39.77 +02 22 06.9 25.9r 17FH252 T09 C~8HL4 2017 03 25.27122 10 03 39.72 +02 22 07.4 26.2r 17FH252 T09 C~8HL4 2017 03 25.28496 10 03 39.68 +02 22 07.5 25.6r 17FH252 T09 C~8HL4 2017 03 29.39106 10 03 27.29 +02 23 49.6 25.6z 17FH252 T09 C~8HL4 2017 03 29.39490 10 03 27.26 +02 23 49.2 25.2z 17FH252 T09 C~8HL4 2017 03 29.41023 10 03 27.24 +02 23 49.9 25.0z 17FH252 T09 C~8HL4 2017 03 29.42172 10 03 27.19 +02 23 50.6 25.1z 17FH252 T09 C~8HL4 2017 03 29.42555 10 03 27.17 +02 23 50.4 25.9z 17FH252 T09 C~8HL4 2017 03 30.25151 10 03 24.82 +02 24 10.3 24.7i 17FH252 T09 C~8HL4 2017 03 30.26317 10 03 24.77 +02 24 11.4 25.3i 17FH252 T09 C~8HL4 2017 03 30.26700 10 03 24.75 +02 24 11.3 25.3i 17FH252 T09 C~8HL4 2017 03 30.27083 10 03 24.75 +02 24 11.3 25.3i 17FH252 T09 C~8HL4 2017 03 30.27466 10 03 24.73 +02 24 11.3 25.2i 17FH252 T09 C~8HL4 2017 03 30.28239 10 03 24.71 +02 24 11.3 24.7i 17FH252 T09 C~8HL4 2017 03 30.29387 10 03 24.67 +02 24 11.8 24.7i 17FH252 T09 C~8HL4 2017 04 23.24251 10 02 33.12 +02 33 01.2 25.3r 17FH252 T09 C~8HL4 2017 04 23.25033 10 02 33.10 +02 33 01.6 25.6r 17FH252 T09 C~8HL4 2017 04 23.25417 10 02 33.11 +02 33 01.4 25.6r 17FH252 T09 C~8HL4 2017 04 23.26183 10 02 33.08 +02 33 01.7 25.9r 17FH252 T09 C~8HL4 2017 04 23.34188 10 02 32.99 +02 33 03.4 24.8z 17FH252 T09 C~8HL4 2017 04 23.35718 10 02 32.96 +02 33 04.1 25.2z 17FH252 T09 C~8HL4 2017 04 26.23645 10 02 29.32 +02 33 57.0 25.4i 17FH252 T09 C~8HL4 2017 04 26.24413 10 02 29.31 +02 33 57.0 25.9i 17FH252 T09 C~8HL4 2017 04 26.24796 10 02 29.30 +02 33 56.9 25.3i 17FH252 T09 C~8HL4 2017 04 26.29400 10 02 29.25 +02 33 58.2 26.0i 17FH252 T09 C~8HL4 2017 04 26.32635 10 02 29.24 +02 33 58.7 26.4g 17FH252 T09 C~8HL4 2017 04 27.35218 10 02 28.08 +02 34 17.2 26.3i 17FH252 T09 C~8HL5 2017 04 27.35601 10 02 28.09 +02 34 17.4 26.6i 17FH252 T09 C~8HL5 2017 04 27.35984 10 02 28.07 +02 34 17.4 26.7i 17FH252 T09 C~8HL5 2018 01 17.491337 10 11 43.68 +01 42 34.0 17FH252 T09 C~8Zoc 2018 01 17.548015 10 11 43.50 +01 42 34.7 17FH252 T09 C~8Zoc 2019 04 05.334496 10 10 59.42 +01 55 53.8 17FH252 T09 C~8Zoc 2019 04 05.348166 10 10 59.38 +01 55 54.2 17FH252 T09 C~8Zoc
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 0.02
2 0.0000 -0.14 -0.07 -0.05 -0.03
3 0.0000 -0.14 0.13 -0.05 -0.00
4 0.0000 -0.42 0.05 -0.16 -0.09
5 0.0000 -0.77 -0.11 -0.07 0.02
6 0.0001 -1.23 0.09 -0.14 0.04
7 0.0001 -1.93 0.03 -0.40 -0.15
8 0.0001 -2.28 0.08 -0.32 -0.02
9 0.0001 -2.91 -0.15 -0.34 0.01
10 0.0002 -3.19 -0.06 -0.44 -0.05
11 0.0002 -3.72 -0.02 -0.32 0.14
12 0.0002 -4.00 -0.10 -0.42 0.06
13 0.0002 -4.28 -0.18 -0.53 -0.02
14 0.0002 -4.28 0.03 -0.53 0.01
15 0.0002 -4.56 -0.05 -0.63 -0.07
16 0.0003 -4.77 0.11 -0.50 0.11
17 0.0003 -5.47 -0.04 -0.76 -0.09
18 0.0023 -42.39 -0.35 -4.69 0.08
19 0.0024 -44.32 0.08 -5.09 -0.05
20 0.0024 -44.53 0.11 -4.95 0.11
21 0.0078 -145.91 -0.35 -15.71 0.12
22 0.0079 -147.66 -0.16 -16.15 -0.11
23 0.0079 -148.09 -0.09 -16.31 -0.22
24 0.0105 -197.35 0.27 -21.00 0.03
25 0.0106 -197.91 0.23 -21.21 -0.12
26 0.0106 -198.65 -0.25 -21.38 -0.27
27 0.0106 -198.37 0.28 -21.27 -0.14
28 0.0106 -198.83 0.09 -20.91 0.25
29 0.0107 -200.16 0.04 -21.19 0.10
30 0.0107 -200.72 -0.26 -21.40 -0.08
31 0.0107 -200.86 -0.14 -21.45 -0.11
32 0.0107 -200.93 0.05 -21.26 0.10
33 0.0138 -260.80 -0.02 -27.12 -0.06
34 0.0138 -261.01 -0.02 -26.99 0.10
35 0.0138 -261.29 -0.09 -27.09 0.01
36 0.0138 -261.57 0.11 -27.20 -0.05
37 0.0138 -262.51 -0.16 -27.23 -0.01
38 0.0139 -262.66 -0.09 -27.28 -0.04
39 0.0139 -262.51 0.26 -27.23 0.03
40 0.0139 -263.78 -0.01 -27.27 0.08
41 0.0139 -264.06 -0.08 -27.38 -0.00
42 0.0140 -265.15 0.02 -27.46 0.03
43 0.0140 -265.22 0.16 -27.28 0.23
44 0.0140 -265.50 0.10 -27.38 0.15
45 0.0140 -265.81 0.18 -27.39 0.18
46 0.1666 -3643.30 0.09 -0.33 0.29
47 0.1667 -3644.67 -0.10 -0.52 -0.02
48 0.1667 -3645.51 0.08 -0.41 -0.00
49 0.1668 -3646.70 -0.08 -0.21 0.09
50 0.1720 -3750.53 0.11 11.15 -0.10
51 0.1720 -3751.79 -0.24 11.54 0.19
52 0.1721 -3753.23 -0.06 11.54 0.01
53 1.1383 530.53 -0.17 318.33 0.15
54 1.1383 530.92 0.45 318.15 -0.04
55 1.1384 529.97 -0.01 318.12 -0.11
56 1.1438 408.32 -0.03 326.58 0.02
57 1.1439 408.25 0.13 326.34 -0.23
58 1.1439 407.61 -0.26 326.32 -0.27
59 1.1439 407.93 0.30 326.76 0.15
60 1.1439 407.51 0.11 326.60 -0.02
61 1.1523 224.89 0.23 340.31 -0.50
62 1.1524 221.04 -0.04 341.22 0.14
63 1.1524 220.90 0.05 341.17 0.07
64 1.1524 220.62 -0.00 341.06 -0.05
65 1.1524 220.69 0.30 340.87 -0.26
66 1.1525 220.12 -0.03 341.09 -0.06
67 1.1525 219.95 0.02 341.13 -0.03
68 1.9631 7750.07 0.13 830.85 0.08
69 2.1789 3264.38 0.04 769.45 0.10
70 2.1790 3263.01 0.09 769.69 0.17
71 2.1791 3261.64 0.15 769.50 -0.18
72 2.1791 3260.10 0.02 769.78 -0.06
73 2.1792 3259.01 0.13 770.12 0.14
74 2.1813 3218.16 -0.23 774.94 -0.15
75 2.1813 3218.30 0.13 775.42 0.30
76 2.1813 3217.71 -0.08 775.31 0.14
77 2.1814 3216.44 -0.15 775.26 -0.05
78 2.1868 3110.69 -0.08 788.96 -0.15
79 2.1868 3109.81 -0.23 789.16 -0.03
80 2.1869 3109.21 -0.09 789.05 -0.24
81 2.1981 2899.50 0.03 819.78 0.01
82 2.1981 2899.22 -0.05 819.25 -0.55
83 2.1982 2898.69 0.19 819.80 -0.11
84 2.1982 2897.75 -0.17 820.19 0.20
85 2.1982 2897.54 -0.19 819.90 -0.12
86 2.2005 2857.57 0.31 826.23 -0.32
87 2.2005 2856.49 -0.20 827.00 0.36
88 2.2005 2856.24 -0.25 826.80 0.14
89 2.2005 2856.24 -0.06 826.80 0.11
90 2.2005 2855.96 -0.15 826.70 -0.03
91 2.2006 2855.68 -0.05 826.59 -0.19
92 2.2006 2854.94 -0.21 826.85 -0.02
93 2.2661 1945.97 0.13 1052.83 -0.03
94 2.2662 1945.55 -0.08 1053.10 0.16
95 2.2662 1945.76 0.23 1052.97 -0.02
96 2.2662 1945.24 -0.09 1053.09 0.03
97 2.2664 1943.38 0.20 1054.21 0.32
98 2.2665 1942.71 ( -0.06) 1054.71 ( 0.66)
99 2.2743 1873.11 -0.11 1085.21 -0.11
100 2.2744 1872.97 -0.07 1085.16 -0.24
101 2.2744 1872.87 -0.09 1085.01 -0.43
102 2.2745 1871.71 -0.16 1085.97 0.04
103 2.2746 1871.40 0.28 1086.39 0.12
104 2.2774 1848.64 0.01 1097.65 0.10
105 2.2774 1848.71 0.17 1097.89 0.30
106 2.2774 1848.43 -0.03 1097.78 0.15
107 3.0033 10745.90 -0.05 1107.74 0.13
108 3.0035 10743.12 0.02 1107.45 0.17
109 4.2158 9841.78 0.06 1624.50 0.02
110 4.2158 9841.07 0.00 1624.67 0.07
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.
17FH252 quality flag:1 Type: SCATNEAR 2:1E 2:1E Type: 2:1EII axisobj 47.762 47.789 47.736 ecceobj 0.236 0.237 0.235 incobj 10.752 10.752 10.752 qmin 35.868 35.713 35.666 qmax 60.486 60.660 60.645 amean 47.798 47.796 47.797 amin 47.264 47.215 47.253 amax 48.422 48.453 48.431 emean 0.133 0.216 0.217 emin 0.021 0.170 0.185 emax 0.250 0.253 0.254 imean 15.404 12.737 12.555 imin 11.092 11.095 11.028 imax 17.461 14.361 13.726 excite_mean 0.303 0.310 0.308 fracstop 1.000 1.000 1.000 cjmean 3.033 3.029 3.030 libcent 0 -180.0 100.4 87.5 libamp 0 -180.0 64.3 45.2 libcent 1 -180.0 218.5 -180.0 libamp 1 -180.0 107.7 -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 110.0 60.2 181.2 kozaiamp 180.0 27.9 180.0