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: 14SB374 # Created Sun Dec 22 02:10:03 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 38 observations of 38 # Arc: 6.10y # First observation: 2014/09/20 # Last observation: 2020/10/25 # Chi-squared of fit: 8.57 DOF: 70 RMS: 0.08 # Min/Max residuals: -0.29 0.19 # Exact a, adot, b, bdot, g, gdot: 1.549151E-05 2.422200E-02 5.323451E-06 7.708368E-03 2.500971E-02 -3.603771E-03 # Covariance matrix: 2.7230E-13 -5.8323E-14 5.3678E-16 -6.5843E-15 1.1997E-13 -1.9540E-13 -5.8323E-14 8.3919E-14 -2.1824E-14 2.6621E-14 5.1681E-14 5.5035E-13 5.3678E-16 -2.1824E-14 1.3365E-13 -3.4855E-14 -2.3951E-14 -1.6049E-13 -6.5843E-15 2.6621E-14 -3.4855E-14 1.7586E-14 2.2888E-14 1.9431E-13 1.1997E-13 5.1681E-14 -2.3951E-14 2.2888E-14 1.8612E-13 4.0991E-13 -1.9540E-13 5.5035E-13 -1.6049E-13 1.9431E-13 4.0991E-13 4.0024E-12 # lat0 lon0 xBary yBary zBary JD0 -38.254575 38.810718 0.671057 -0.464618 -0.589518 2456920.827628 # Heliocentric elements and errors Epoch: 2456920.5000 = 2014/09/20 Mean Anomaly: 307.00299 +/- 0.011 Argument of Peri: 1.83289 +/- 0.017 Long of Asc Node: 101.02438 +/- 0.000 Inclination: 40.72902 +/- 0.000 Eccentricity: 0.17452143 +/- 0.0001 Semi-Major Axis: 44.22764159 +/- 0.0035 Time of Perihelion: 2472736.1838 +/- 11.3 Perihelion: 36.50897038 +/- 0.0047 Aphelion: 51.94631281 +/- 0.0055 Period (y) 294.1365 +/- 0.03 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 25.46914906 +/- 0.0004 Ecliptic Y 19.62845976 +/- 0.0003 Ecliptic Z -24.75650828 +/- 0.0004 Ecliptic XDOT -0.00150086 +/- 0.0000 Ecliptic YDOT 0.00219494 +/- 0.0000 Ecliptic ZDOT 0.00090702 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 40.58136011 +/- 0.0004 Geocenter to KBO 39.98459203 +/- 0.0007 # Hcoef: 6.72
The following table shows the complete astrometric record for 14SB374. 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 (14SB374) followed by the observatory code and reference code for the source of the astrometry.
2014 09 20.32685 03 15 01.03 -21 51 25.5 23.4g 14SB374 W84 C~3cns 2014 10 28.36399 03 12 21.225 -22 15 13.13 22.7i 14SB374 W84 C~4yUY 2014 11 04.34367 03 11 44.362 -22 17 37.99 22.8i 14SB374 W84 C~4yUY 2014 12 12.24032 03 08 27.741 -22 16 23.34 23.0i 14SB374 W84 C~4yUY 2014 12 24.20107 03 07 37.908 -22 10 48.72 22.8r 14SB374 W84 C~4yUY 2014 12 24.20246 03 07 37.898 -22 10 48.63 23.0i 14SB374 W84 C~4yUY 2015 10 16.37506 03 18 23.482 -21 16 10.69 22.7i 14SB374 W84 C~4yUY 2015 10 23.36466 03 17 49.919 -21 19 51.74 22.6z 14SB374 W84 C~4yUY 2015 10 23.37021 03 17 49.880 -21 19 51.85 22.8z 14SB374 W84 C~4yUY 2015 11 16.30027 03 15 43.369 -21 27 09.12 23.4r 14SB374 W84 C~4yUY 2015 11 16.30303 03 15 43.359 -21 27 09.43 22.8g 14SB374 W84 C~4yUY 2015 12 21.07662 03 12 51.447 -21 20 28.41 22.3z 14SB374 W84 C~4yUY 2016 01 17.07419 03 11 31.03 -21 01 47.9 22.9i 14SB374 W84 C~3cns 2016 09 26.25800 03 24 39.339 -20 09 10.05 23.4g 14SB374 W84 C~4yUY 2017 02 06.07016 03 16 10.606 -19 49 24.59 22.4z 14SB374 W84 C~4yUY 2017 09 07.36157 03 30 18.986 -18 59 14.87 22.8z 14SB374 W84 C~4yUY 2017 10 30.32217 03 27 11.628 -19 34 11.61 23.0r 14SB374 W84 C~4yUY 2017 11 23.29742 03 25 02.883 -19 39 13.97 22.9i 14SB374 W84 C~4yUY 2018 02 09.07506 03 21 03.708 -18 53 14.64 22.6i 14SB374 W84 C~4yUY 2018 02 09.07643 03 21 03.716 -18 53 14.58 23.0r 14SB374 W84 C~4yUY 2018 02 09.07780 03 21 03.704 -18 53 14.42 23.8g 14SB374 W84 C~4yUY 2018 11 07.29540 03 31 29.213 -18 40 58.19 22.5r 14SB374 W84 C~4yUY 2018 11 07.29676 03 31 29.202 -18 40 58.20 22.5i 14SB374 W84 C~4yUY 2018 11 07.29814 03 31 29.195 -18 40 58.16 23.5g 14SB374 W84 C~4yUY 2019 11 23.06201 03 35 02.64 -17 46 55.9 22.7r 14SB374 W84 C~3cns 2019 11 23.11899 03 35 02.31 -17 46 56.0 14SB374 W84 C~3cns 2019 11 23.19924 03 35 01.87 -17 46 56.2 22.9r 14SB374 W84 C~3cns 2019 11 23.26488 03 35 01.51 -17 46 56.4 14SB374 W84 C~3cns 2019 11 23.28694 03 35 01.39 -17 46 56.5 14SB374 W84 C~3cns 2019 11 23.31542 03 35 01.23 -17 46 56.5 14SB374 W84 C~3cns 2019 11 23.34386 03 35 01.08 -17 46 56.7 14SB374 W84 C~3cns 2020 10 20.49324 03 42 49.810 -16 39 03.37 22.6w 14SB374 F51 C~4A4f 2020 10 20.50731 03 42 49.747 -16 39 04.07 22.5w 14SB374 F51 C~4A4f 2020 10 20.52141 03 42 49.687 -16 39 04.48 22.5w 14SB374 F51 C~4A4f 2020 10 20.53550 03 42 49.625 -16 39 04.80 22.5w 14SB374 F51 C~4A4f 2020 10 25.50482 03 42 26.172 -16 41 34.05 22.5w 14SB374 F51 C~4JA9 2020 10 25.51619 03 42 26.106 -16 41 34.47 22.3w 14SB374 F51 C~4JA9 2020 10 25.52803 03 42 26.039 -16 41 34.77 22.4w 14SB374 F51 C~4JA9
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 -0.00 0.00 -0.10
2 0.1041 0.00 0.02 0.00 -0.06
3 0.1232 0.00 0.02 0.00 -0.07
4 0.2270 0.00 0.10 0.00 0.08
5 0.2598 0.00 0.04 0.00 0.01
6 0.2598 0.00 -0.03 0.00 0.05
7 1.0706 0.00 0.13 0.00 0.12
8 1.0898 0.00 -0.03 0.00 0.08
9 1.0898 0.00 -0.20 0.00 0.13
10 1.1553 0.00 -0.12 0.00 -0.00
11 1.1553 0.00 -0.04 0.00 -0.29
12 1.2505 0.00 0.01 0.00 0.07
13 1.3244 0.00 0.10 0.00 -0.02
14 2.0176 0.00 0.10 0.00 -0.05
15 2.3812 0.00 0.05 0.00 0.02
16 2.9652 0.00 -0.10 0.00 0.09
17 3.1102 0.00 0.03 0.00 0.07
18 3.1758 0.00 -0.01 0.00 0.03
19 3.3888 0.00 -0.05 0.00 0.00
20 3.3888 0.00 0.06 0.00 -0.02
21 3.3888 0.00 -0.12 0.00 0.05
22 4.1313 0.00 0.08 0.00 -0.00
23 4.1313 0.00 0.03 0.00 0.01
24 4.1313 0.00 0.03 0.00 0.07
25 5.1738 0.00 0.17 0.00 -0.14
26 5.1740 0.00 -0.07 0.00 -0.05
27 5.1742 0.00 -0.03 0.00 0.01
28 5.1744 0.00 -0.00 0.00 0.01
29 5.1744 0.00 0.02 0.00 -0.03
30 5.1745 0.00 -0.03 0.00 0.05
31 5.1746 0.00 0.05 0.00 -0.07
32 6.0840 0.00 -0.07 0.00 0.19
33 6.0840 0.00 -0.03 0.00 -0.07
34 6.0840 0.00 0.06 0.00 -0.03
35 6.0841 0.00 0.12 0.00 0.10
36 6.0977 0.00 0.12 0.00 -0.01
37 6.0977 0.00 -0.03 0.00 -0.11
38 6.0977 0.00 -0.16 0.00 -0.08
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.
14SB374 quality flag:3 Type: SCATEXTD SCATEXTD SCATEXTD axisobj 44.583 44.583 44.583 ecceobj 0.175 0.175 0.175 incobj 40.746 40.746 40.746 qmin 35.231 35.126 35.129 qmax 53.814 53.924 53.888 amean 44.297 44.302 44.296 amin 43.913 43.916 43.898 amax 44.766 44.758 44.743 emean 0.183 0.183 0.186 emin 0.166 0.166 0.167 emax 0.202 0.206 0.205 imean 39.051 39.046 39.026 imin 38.755 38.723 38.728 imax 39.423 39.420 39.384 excite_mean 0.656 0.656 0.657 fracstop 1.000 1.000 1.000 cjmean 2.532 2.532 2.531 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 149.6 149.3 149.2 kozaiamp 180.0 180.0 180.0