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: 14FU61 # Created Fri Nov 22 02:09:51 2024 # Orbit generated from Bernstein formalism # Fitting 42 observations of 42 # Arc: 1.23y # First observation: 2014/03/28 # Last observation: 2015/06/21 Preliminary a, adot, b, bdot, g, gdot: 0.008766 0.613753 -0.001801 -0.189834 0.235334 0.000000 # Chi-squared of fit: 128.45 DOF: 78 RMS: 0.31 # Min/Max residuals: -0.94 0.57 # Exact a, adot, b, bdot, g, gdot: 4.632694E-05 6.243260E-01 -1.450558E-05 -2.072464E-01 2.140795E-01 1.423676E-01 # Covariance matrix: 1.5968E-13 2.0995E-12 3.8709E-14 -7.9551E-13 6.5546E-13 3.4355E-12 2.0995E-12 1.2035E-10 2.4596E-12 -4.6328E-11 2.6737E-11 1.9941E-10 3.8709E-14 2.4596E-12 1.0188E-13 -1.0036E-12 5.3373E-13 4.0914E-12 -7.9551E-13 -4.6328E-11 -1.0036E-12 1.8044E-11 -1.0221E-11 -7.6935E-11 6.5546E-13 2.6737E-11 5.3373E-13 -1.0221E-11 6.3940E-12 4.4021E-11 3.4355E-12 1.9941E-10 4.0914E-12 -7.6935E-11 4.4021E-11 3.3113E-10 # lat0 lon0 xBary yBary zBary JD0 11.983597 -145.925474 0.445344 0.185267 -0.872499 2456744.882758 # Heliocentric elements and errors Epoch: 2456740.5000 = 2014/03/24 Mean Anomaly: 11.04710 +/- 0.001 Argument of Peri: 119.49759 +/- 0.003 Long of Asc Node: 59.25421 +/- 0.000 Inclination: 19.56634 +/- 0.000 Eccentricity: 0.41633357 +/- 0.0000 Semi-Major Axis: 9.17958022 +/- 0.0003 Time of Perihelion: 2456428.7700 +/- 0.0 Perihelion: 5.35781278 +/- 0.0003 Aphelion: 13.00134766 +/- 0.0005 Period (y) 27.8127 +/- 0.00 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -4.77455520 +/- 0.0000 Ecliptic Y -2.68908413 +/- 0.0000 Ecliptic Z 0.96984805 +/- 0.0000 Ecliptic XDOT 0.00253679 +/- 0.0000 Ecliptic YDOT -0.00792301 +/- 0.0000 Ecliptic ZDOT -0.00221453 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 5.56490395 +/- 0.0000 Geocenter to KBO 4.67116244 +/- 0.0001 # Hcoef: 13.83
The following table shows the complete astrometric record for 14FU61. 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 (14FU61) followed by the observatory code and reference code for the source of the astrometry.
2014 03 28.38198 14 23 23.72 -01 34 34.6 21.1V 14FU61 G96 C~13iq 2014 03 28.38706 14 23 23.61 -01 34 35.1 21.7V 14FU61 G96 C~13iq 2014 03 28.39213 14 23 23.51 -01 34 33.9 21.0V 14FU61 G96 C~13iq 2014 03 28.39722 14 23 23.43 -01 34 33.2 21.4V 14FU61 G96 C~13iq 2014 04 04.49352 14 20 41.512 -01 27 04.66 21.5w 14FU61 F51 C~13iq 2014 04 04.50688 14 20 41.180 -01 27 03.46 21.5w 14FU61 F51 C~13iq 2014 04 04.53367 14 20 40.508 -01 27 01.91 21.5w 14FU61 F51 C~13iq 2014 04 24.37909 14 11 50.81 -01 11 48.6 21.0V 14FU61 G96 C~13iq 2014 04 24.38812 14 11 50.55 -01 11 48.5 20.9V 14FU61 G96 C~13iq 2014 04 24.39715 14 11 50.27 -01 11 48.2 20.6V 14FU61 G96 C~13iq 2014 04 24.40619 14 11 50.03 -01 11 48.1 20.9V 14FU61 G96 C~13iq 2014 04 25.35282 14 11 23.61 -01 11 25.3 20.6V 14FU61 G96 C~13iq 2014 04 25.35890 14 11 23.41 -01 11 24.9 20.8V 14FU61 G96 C~13iq 2014 04 25.36497 14 11 23.26 -01 11 24.8 20.1V 14FU61 G96 C~13iq 2014 04 25.37103 14 11 23.11 -01 11 24.7 20.3V 14FU61 G96 C~13iq 2014 04 28.30694 14 10 01.29 -01 10 29.6 20.9V 14FU61 G96 C~13iq 2014 04 28.31119 14 10 01.14 -01 10 29.6 21.3V 14FU61 G96 C~13iq 2014 04 28.31543 14 10 01.06 -01 10 29.6 22.0V 14FU61 G96 C~13iq 2014 04 28.32455 14 10 00.78 -01 10 29.6 21.0V 14FU61 G96 C~13iq 2014 04 28.34274 14 10 00.28 -01 10 29.0 21.4R 14FU61 926 C~13ir 2014 04 28.36758 14 09 59.51 -01 10 29.4 20.9R 14FU61 926 C~13ir 2014 04 28.38553 14 09 59.02 -01 10 28.3 21.6R 14FU61 926 C~13ir 2014 04 29.006973 14 09 41.862 -01 10 20.21 20.8R 14FU61 J04 C~13ir 2014 04 29.012483 14 09 41.713 -01 10 19.92 20.9R 14FU61 J04 C~13ir 2014 04 29.017981 14 09 41.546 -01 10 19.96 20.8R 14FU61 J04 C~13ir 2014 04 29.33441 14 09 32.72 -01 10 15.9 21.1V 14FU61 G96 C~13ir 2014 04 29.35154 14 09 32.349 -01 10 15.64 21.1w 14FU61 F51 C~13ir 2014 04 29.35483 14 09 32.13 -01 10 15.9 20.8V 14FU61 G96 C~13ir 2014 04 29.36409 14 09 31.984 -01 10 15.48 21.1w 14FU61 F51 C~13ir 2014 04 29.36910 14 09 31.79 -01 10 15.8 20.7V 14FU61 G96 C~13ir 2014 04 29.37666 14 09 31.634 -01 10 15.32 21.0w 14FU61 F51 C~13ir 2014 04 29.38925 14 09 31.278 -01 10 15.20 21.0w 14FU61 F51 C~13ir 2015 04 22.44136 16 05 49.08 -20 34 27.0 22.1R 14FU61 G37 C~1RIq 2015 04 22.45789 16 05 48.70 -20 34 27.5 14FU61 G37 C~1RIq 2015 04 23.38624 16 05 28.67 -20 35 03.0 22.2R 14FU61 G37 C~1RIq 2015 04 23.39481 16 05 28.48 -20 35 03.3 14FU61 G37 C~1RIq 2015 05 20.37056 15 53 45.37 -20 46 09.7 22.9V 14FU61 W84 C~2ChH 2015 05 20.37703 15 53 45.16 -20 46 09.8 14FU61 W84 C~2ChH 2015 05 20.38029 15 53 45.04 -20 46 09.8 14FU61 W84 C~2ChH 2015 06 21.15971 15 40 11.58 -20 53 39.5 22.4V 14FU61 W84 C~59kZ 2015 06 21.19419 15 40 10.86 -20 53 40.1 14FU61 W84 C~59kZ 2015 06 21.22870 15 40 10.14 -20 53 40.8 14FU61 W84 C~59kZ
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 -0.04 0.00 -0.17
2 0.0000 -1.39 0.25 -1.02 -0.94
3 0.0000 -3.20 0.12 -0.38 -0.06
4 0.0000 -4.57 0.44 -0.11 0.44
5 0.0195 -2444.71 0.43 -377.30 -0.36
6 0.0195 -2449.81 0.33 -377.81 0.02
7 0.0196 -2459.83 0.33 -379.67 -0.07
8 0.0739 -10267.66 0.39 -2143.53 0.27
9 0.0739 -10271.38 0.40 -2144.73 0.13
10 0.0740 -10275.45 0.06 -2145.84 0.09
11 0.0740 -10278.89 0.36 -2146.94 0.05
12 0.0766 -10661.38 0.34 -2256.74 -0.07
13 0.0766 -10664.35 -0.11 -2257.36 0.05
14 0.0766 -10666.51 0.23 -2258.01 0.13
15 0.0766 -10668.67 0.57 -2258.66 0.21
16 0.0847 -11848.54 -0.07 -2613.60 0.19
17 0.0847 -11850.67 -0.46 -2614.35 -0.02
18 0.0847 -11851.80 0.14 -2614.75 0.13
19 0.0847 -11855.78 -0.11 -2616.14 -0.10
20 0.0848 -11863.08 0.04 -2618.06 0.28
21 0.0848 -11873.88 -0.61 -2622.27 -0.76
22 0.0849 -11881.21 -0.61 -2623.67 0.13
23 0.0866 -12127.58 -0.19 -2701.43 -0.15
24 0.0866 -12129.79 -0.15 -2701.90 0.10
25 0.0866 -12132.15 -0.27 -2702.77 -0.06
26 0.0875 -12258.87 -0.62 -2742.87 0.19
27 0.0875 -12264.22 -0.14 -2744.47 0.05
28 0.0875 -12267.25 -0.69 -2745.81 -0.10
29 0.0876 -12269.46 -0.27 -2746.14 0.02
30 0.0876 -12272.11 0.24 -2747.41 0.16
31 0.0876 -12274.49 -0.17 -2747.73 0.08
32 0.0876 -12279.58 -0.14 -2749.39 0.06
33 1.0679 118433.22 0.12 -42616.64 0.14
34 1.0680 118426.52 -0.24 -42618.46 0.24
35 1.0705 118077.15 -0.22 -42724.98 0.28
36 1.0705 118073.82 -0.19 -42725.94 0.31
37 1.1444 105911.99 0.17 -45818.52 0.03
38 1.1444 105908.41 -0.25 -45819.34 -0.08
39 1.1444 105906.34 -0.73 -45819.74 -0.13
40 1.2314 92421.88 0.49 -49130.66 -0.29
41 1.2315 92410.32 0.48 -49133.87 -0.22
42 1.2316 92398.80 0.46 -49137.20 -0.29
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.
14FU61 quality flag:3 Type: CENTAURR CENTAURR CENTAURR axisobj 9.149 9.151 9.147 ecceobj 0.410 0.410 0.410 incobj 19.546 19.546 19.546 qmin 5.291 5.398 5.397 qmax 14.898 25.545 17.228 amean 9.622 12.701 10.261 amin 9.149 9.151 9.147 amax 10.095 15.526 11.375 emean 0.443 0.562 0.462 emin 0.410 0.410 0.410 emax 0.476 0.645 0.515 imean 18.033 19.319 18.837 imin 17.536 18.455 18.530 imax 18.530 20.302 19.143 excite_mean 0.541 0.653 0.565 fracstop 0.000 0.001 0.000 cjmean 4.091 3.408 3.936 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 124.4 166.5 129.3 kozaiamp 5.0 34.2 9.8