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: 14FX71 # Created Tue Jun 10 01:11:14 2025 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 33 observations of 33 # Arc: 11.07y # First observation: 2014/03/28 # Last observation: 2025/04/23 # Chi-squared of fit: 79.70 DOF: 60 RMS: 0.27 # Min/Max residuals: -0.66 0.62 # Exact a, adot, b, bdot, g, gdot: 1.498061E-05 2.580766E-02 -1.489191E-06 -1.348931E-03 2.444359E-02 9.131446E-03 # Covariance matrix: 1.7476E-13 -1.0416E-13 -8.0688E-15 4.3052E-15 1.3184E-13 -3.7329E-13 -1.0416E-13 9.7042E-14 8.4777E-15 -4.3866E-15 -1.4457E-13 3.8111E-13 -8.0688E-15 8.4777E-15 8.7224E-14 -1.4506E-14 -1.9769E-14 3.4880E-14 4.3052E-15 -4.3866E-15 -1.4506E-14 5.2286E-15 6.5368E-15 -1.8179E-14 1.3184E-13 -1.4457E-13 -1.9769E-14 6.5368E-15 5.0039E-13 -5.8897E-13 -3.7329E-13 3.8111E-13 3.4880E-14 -1.8179E-14 -5.8897E-13 1.5787E-12 # lat0 lon0 xBary yBary zBary JD0 -17.879097 175.491336 -0.202208 -0.299547 -0.929003 2456744.534138 # Heliocentric elements and errors Epoch: 2456744.5000 = 2014/03/28 Mean Anomaly: 25.13683 +/- 0.011 Argument of Peri: 193.86356 +/- 0.010 Long of Asc Node: 275.74120 +/- 0.001 Inclination: 17.71872 +/- 0.000 Eccentricity: 0.46378028 +/- 0.0001 Semi-Major Axis: 63.11256686 +/- 0.0178 Time of Perihelion: 2443957.1620 +/- 7.8 Perihelion: 33.84220312 +/- 0.0126 Aphelion: 92.38293060 +/- 0.0273 Period (y) 501.3973 +/- 0.21 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -39.80482198 +/- 0.0011 Ecliptic Y 2.93723340 +/- 0.0001 Ecliptic Z -12.56000244 +/- 0.0004 Ecliptic XDOT -0.00115695 +/- 0.0000 Ecliptic YDOT -0.00281201 +/- 0.0000 Ecliptic ZDOT -0.00045767 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 41.84237501 +/- 0.0011 Geocenter to KBO 40.91031774 +/- 0.0012 # Hcoef: 6.43
The following table shows the complete astrometric record for 14FX71. 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 (14FX71) followed by the observatory code and reference code for the source of the astrometry.
2014 03 28.03336 11 14 31.556 -14 35 27.43 14FX71 807 C~1Reu 2014 03 28.03337 11 14 31.49 -14 35 27.4 22.9V 14FX71 W84 C~2J9u 2014 03 28.10283 11 14 31.265 -14 35 25.08 22.1r 14FX71 807 C~1Reu 2014 03 28.10284 11 14 31.18 -14 35 25.1 14FX71 W84 C~2J9u 2014 03 28.17072 11 14 30.952 -14 35 23.15 14FX71 807 C~1Reu 2014 03 28.17072 11 14 30.89 -14 35 22.9 14FX71 W84 C~2J9u 2014 05 02.04148 11 12 30.316 -14 14 57.42 22.1r 14FX71 304 C~1Reu 2014 05 02.06950 11 12 30.247 -14 14 56.62 14FX71 304 C~1Reu 2014 05 22.97668 11 11 59.244 -14 03 45.24 14FX71 304 C~1Rev 2015 04 17.99153 11 18 35.503 -15 03 32.03 14FX71 304 C~1Rev 2015 04 18.99240 11 18 32.105 -15 02 56.01 14FX71 304 C~1Rev 2016 02 04.40331 11 29 03.17 -16 10 33.9 22.5R 14FX71 G37 C~1lwf 2016 02 04.48686 11 29 02.87 -16 10 33.6 14FX71 G37 C~1lwf 2016 03 28.00355 11 25 16.26 -15 54 04.0 23.0V 14FX71 W84 C~1qn2 2016 03 28.01049 11 25 16.25 -15 54 04.0 14FX71 W84 C~1qn2 2016 03 28.01743 11 25 16.26 -15 54 03.9 14FX71 W84 C~1qn2 2016 03 29.00169 11 25 11.92 -15 53 31.7 14FX71 W84 C~1qn2 2016 03 29.00863 11 25 11.92 -15 53 31.9 14FX71 W84 C~1qn2 2016 03 29.01557 11 25 11.92 -15 53 31.9 14FX71 W84 C~1qn2 2016 03 30.02799 11 25 07.51 -15 52 58.7 14FX71 W84 C~1qn2 2016 03 30.03493 11 25 07.51 -15 52 58.7 14FX71 W84 C~1qn2 2016 03 30.04187 11 25 07.52 -15 52 58.7 14FX71 W84 C~1qn2 2019 02 16.20248 11 43 53.16 -17 57 25.3 21.5R 14FX71 304 C~30mI 2019 02 16.22136 11 43 53.10 -17 57 25.2 21.5R 14FX71 304 C~30mI 2019 02 16.23987 11 43 53.03 -17 57 24.9 21.5R 14FX71 304 C~30mI 2019 02 19.25021 11 43 41.22 -17 56 58.4 29.7R 14FX71 304 C~30mI 2019 02 19.27241 11 43 41.14 -17 56 57.9 22.0R 14FX71 304 C~30mI 2019 03 13.22628 11 42 06.43 -17 50 45.8 22.7 14FX71 304 C~31Ga 2019 03 13.23229 11 42 06.41 -17 50 45.8 22.9 14FX71 304 C~31Ga 2019 03 13.23830 11 42 06.39 -17 50 45.7 23.0 14FX71 304 C~31Ga 2025 04 23.177040 12 08 47.777 -20 39 11.37 22.3G 14FX71 G37 C~8st3 2025 04 23.210550 12 08 47.651 -20 39 09.85 14FX71 G37 C~8st3 2025 04 23.243890 12 08 47.515 -20 39 08.78 14FX71 G37 C~8st3
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 0.39 0.00 -0.03
2 0.0000 0.00 -0.60 0.00 0.00
3 0.0002 0.00 0.61 0.00 0.05
4 0.0002 0.00 -0.66 0.00 0.03
5 0.0004 0.00 -0.52 0.00 0.00
6 0.0004 0.00 0.41 0.00 -0.25
7 0.0958 0.00 0.42 0.00 -0.07
8 0.0959 0.00 0.40 0.00 -0.24
9 0.1532 0.00 -0.10 0.00 0.50
10 1.0567 0.00 0.08 0.00 -0.02
11 1.0594 0.00 -0.22 0.00 0.10
12 1.8573 0.00 -0.04 0.00 -0.01
13 1.8575 0.00 -0.06 0.00 0.13
14 2.0013 0.00 -0.42 0.00 0.25
15 2.0013 0.00 -0.11 0.00 0.03
16 2.0013 0.00 0.49 0.00 -0.09
17 2.0040 0.00 -0.60 0.00 0.48
18 2.0040 0.00 -0.15 0.00 0.05
19 2.0041 0.00 0.31 0.00 -0.17
20 2.0068 0.00 -0.44 0.00 0.19
21 2.0068 0.00 0.01 0.00 -0.03
22 2.0069 0.00 0.62 0.00 -0.26
23 4.8903 0.00 -0.12 0.00 -0.12
24 4.8903 0.00 0.09 0.00 -0.17
25 4.8904 0.00 0.13 0.00 -0.01
26 4.8986 0.00 -0.06 0.00 -0.21
27 4.8987 0.00 0.09 0.00 0.07
28 4.9588 0.00 -0.16 0.00 -0.04
29 4.9588 0.00 -0.05 0.00 -0.18
30 4.9588 0.00 0.07 0.00 -0.22
31 11.0723 0.00 0.10 0.00 -0.14
32 11.0724 0.00 0.08 0.00 0.25
33 11.0724 0.00 -0.11 0.00 0.20
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.
14FX71 quality flag:3 Type: 3:1EE 3:1EE 3:1EE axisobj 62.497 62.498 62.497 ecceobj 0.460 0.460 0.460 incobj 17.714 17.714 17.714 qmin 33.216 33.216 33.207 qmax 94.038 94.077 94.006 amean 62.629 62.629 62.629 amin 61.654 61.642 61.670 amax 63.968 63.920 63.956 emean 0.457 0.457 0.457 emin 0.443 0.443 0.443 emax 0.471 0.472 0.471 imean 19.500 19.580 19.565 imin 19.160 19.154 19.152 imax 19.963 20.006 19.973 excite_mean 0.566 0.566 0.566 fracstop 1.000 1.000 1.000 cjmean 2.898 2.898 2.898 libcent 0 180.5 262.6 259.0 libamp 0 157.0 72.2 76.7 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 185.5 184.3 184.0 kozaiamp 180.0 180.0 180.0