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: 14WE556 # Created Sun Nov 24 02:10:09 2024 # Orbit generated from Bernstein formalism # Fitting 31 observations of 31 # Arc: 4.20y # First observation: 2014/09/16 # Last observation: 2018/11/29 Preliminary a, adot, b, bdot, g, gdot: 0.000463 0.032703 -0.000186 -0.008910 0.027809 0.000000 # Chi-squared of fit: 5.30 DOF: 56 RMS: 0.07 # Min/Max residuals: -0.22 0.16 # Exact a, adot, b, bdot, g, gdot: 1.984879E-05 3.271461E-02 -5.909207E-06 -8.910594E-03 2.752537E-02 -3.242696E-03 # Covariance matrix: 2.2809E-13 -1.7241E-13 -4.0750E-14 3.5573E-14 1.0594E-13 -1.2241E-12 -1.7241E-13 3.4540E-13 4.0969E-14 -8.4218E-14 -3.0616E-14 3.0858E-12 -4.0750E-14 4.0969E-14 1.3259E-13 -5.1539E-14 -4.3346E-14 3.7519E-13 3.5573E-14 -8.4218E-14 -5.1539E-14 4.5507E-14 9.7146E-15 -8.0648E-13 1.0594E-13 -3.0616E-14 -4.3346E-14 9.7146E-15 1.5673E-13 -2.2525E-13 -1.2241E-12 3.0858E-12 3.7519E-13 -8.0648E-13 -2.2525E-13 2.9608E-11 # lat0 lon0 xBary yBary zBary JD0 -28.431036 -8.049146 -0.018731 -0.479705 -0.886348 2456916.723918 # Heliocentric elements and errors Epoch: 2456910.5000 = 2014/09/10 Mean Anomaly: 353.64967 +/- 0.010 Argument of Peri: 261.91412 +/- 0.030 Long of Asc Node: 112.29956 +/- 0.000 Inclination: 31.30036 +/- 0.000 Eccentricity: 0.44904507 +/- 0.0001 Semi-Major Axis: 66.47341998 +/- 0.0087 Time of Perihelion: 2460402.4222 +/- 5.4 Perihelion: 36.62385832 +/- 0.0064 Aphelion: 96.32298164 +/- 0.0133 Period (y) 541.9762 +/- 0.11 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 32.63178489 +/- 0.0005 Ecliptic Y -4.59395736 +/- 0.0001 Ecliptic Z -17.29700152 +/- 0.0002 Ecliptic XDOT -0.00024773 +/- 0.0000 Ecliptic YDOT 0.00331623 +/- 0.0000 Ecliptic ZDOT -0.00062573 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 37.21725529 +/- 0.0004 Geocenter to KBO 36.33012675 +/- 0.0005 # Hcoef: 7.66
The following table shows the complete astrometric record for 14WE556. 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 (14WE556) followed by the observatory code and reference code for the source of the astrometry.
2014 09 16.22314 00 20 03.597 -29 03 52.19 22.8i 14WE556 W84 C~4yVL 2014 11 15.01751 00 15 19.143 -29 14 40.96 23.1i 14WE556 W84 C~4yVL 2014 11 18.12940 00 15 09.980 -29 13 35.36 23.3g 14WE556 W84 C~4yVL 2014 11 18.12940 00 15 09.98 -29 13 35.4 23.5g 14WE556 W84 C~3cpT 2014 11 18.13077 00 15 09.972 -29 13 35.49 23.7r 14WE556 W84 C~4yVL 2014 11 18.13077 00 15 09.97 -29 13 35.5 23.6r 14WE556 W84 C~3cpT 2014 11 21.13615 00 15 02.005 -29 12 23.12 23.5r 14WE556 W84 C~4yVL 2014 11 21.13615 00 15 02.01 -29 12 23.1 23.6r 14WE556 W84 C~3cpT 2014 11 21.14206 00 15 01.994 -29 12 22.96 22.8i 14WE556 W84 C~4yVL 2014 12 12.07359 00 14 32.881 -29 00 13.01 22.9i 14WE556 W84 C~4yVL 2014 12 12.07359 00 14 32.88 -29 00 13.0 23.1i 14WE556 W84 C~3cpT 2014 12 13.07205 00 14 32.709 -28 59 29.21 23.8r 14WE556 W84 C~4yVL 2014 12 13.07205 00 14 32.71 -28 59 29.2 23.8r 14WE556 W84 C~3cpT 2016 08 14.38661 00 39 41.610 -27 46 17.39 23.1r 14WE556 W84 C~4yVL 2016 08 14.38661 00 39 41.61 -27 46 17.4 23.5r 14WE556 W84 C~3cpT 2016 08 14.38798 00 39 41.612 -27 46 17.42 23.4i 14WE556 W84 C~4yVL 2016 08 14.38935 00 39 41.588 -27 46 17.43 24.1g 14WE556 W84 C~4yVL 2016 08 26.39682 00 38 59.198 -27 57 02.34 23.1z 14WE556 W84 C~4yVL 2016 11 06.22419 00 33 03.185 -28 28 31.77 23.4r 14WE556 W84 C~4yVL 2016 11 06.22419 00 33 03.18 -28 28 31.8 23.8r 14WE556 W84 C~3cpT 2016 11 06.22558 00 33 03.186 -28 28 31.65 23.9g 14WE556 W84 C~4yVL 2017 09 24.23315 00 45 21.080 -27 49 41.52 23.4g 14WE556 W84 C~4yVL 2017 09 24.23453 00 45 21.070 -27 49 41.53 23.2r 14WE556 W84 C~4yVL 2017 09 24.23591 00 45 21.060 -27 49 41.57 23.4i 14WE556 W84 C~4yVL 2017 09 26.34959 00 45 09.830 -27 50 56.41 24.0g 14WE556 W84 C~4yVL 2017 11 15.02422 00 41 05.247 -27 59 26.49 22.8z 14WE556 W84 C~4yVL 2017 11 26.17719 00 40 29.726 -27 55 23.61 23.5i 14WE556 W84 C~4yVL 2017 12 09.04570 00 40 03.858 -27 48 12.36 23.3r 14WE556 W84 C~4yVL 2018 11 15.12889 00 49 39.020 -27 30 01.56 23.0i 14WE556 W84 C~4yVL 2018 11 29.12106 00 48 53.274 -27 24 57.36 23.3r 14WE556 W84 C~4yVL 2018 11 29.12243 00 48 53.274 -27 24 57.40 23.8g 14WE556 W84 C~4yVL
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 -0.22 0.00 0.16
2 0.1637 -3624.72 0.07 1081.76 -0.07
3 0.1722 -3703.43 0.10 1193.56 0.04
4 0.1722 -3703.42 0.11 1193.60 0.08
5 0.1722 -3703.60 -0.03 1193.53 -0.04
6 0.1722 -3703.57 -0.01 1193.53 -0.04
7 0.1805 -3765.27 -0.03 1304.51 0.08
8 0.1805 -3765.20 0.04 1304.50 0.07
9 0.1805 -3765.33 0.03 1304.72 0.06
10 0.2378 -3786.32 -0.04 2128.32 -0.05
11 0.2378 -3786.31 -0.03 2128.31 -0.07
12 0.2405 -3769.04 0.02 2168.64 -0.02
13 0.2405 -3769.05 0.00 2168.64 -0.03
14 1.9115 15940.57 0.00 -3181.44 -0.11
15 1.9115 15940.57 0.01 -3181.44 -0.10
16 1.9115 15940.58 0.10 -3181.47 -0.10
17 1.9115 15940.30 -0.10 -3181.33 0.09
18 1.9443 15131.07 -0.01 -3472.12 -0.14
19 2.1410 10076.09 -0.14 -2866.40 -0.06
20 2.1410 10076.16 -0.07 -2866.40 -0.07
21 2.1410 10076.23 0.06 -2866.30 -0.02
22 3.0226 19794.07 0.07 -5587.98 0.02
23 3.0226 19793.94 0.06 -5587.92 0.07
24 3.0226 19793.81 0.04 -5587.89 0.10
25 3.0284 19625.76 0.11 -5578.59 0.01
26 3.1644 16528.07 -0.10 -4415.97 0.02
27 3.1949 16233.92 0.02 -3972.25 0.07
28 3.2302 16143.85 -0.01 -3426.55 0.03
29 4.1640 23392.77 -0.05 -6292.03 0.05
30 4.2023 23014.17 -0.02 -5717.86 0.02
31 4.2023 23014.15 -0.01 -5717.90 -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.
14WE556 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 67.470 67.499 67.442 ecceobj 0.457 0.457 0.457 incobj 31.288 31.288 31.288 qmin 35.932 36.008 35.992 qmax 98.973 99.111 99.350 amean 66.733 66.784 66.789 amin 65.950 65.943 65.973 amax 67.818 67.884 68.007 emean 0.441 0.441 0.441 emin 0.424 0.423 0.424 emax 0.461 0.460 0.461 imean 30.170 30.219 30.221 imin 29.466 29.526 29.523 imax 30.896 30.966 30.967 excite_mean 0.669 0.669 0.669 fracstop 1.000 1.000 1.000 cjmean 2.761 2.761 2.761 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 172.1 170.7 170.9 kozaiamp 180.0 180.0 180.0