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: 19QQ110 # Created Tue Apr 1 01:11:15 2025 # Orbit generated from Bernstein formalism # Fitting 10 observations of 10 # Arc: 2.11y # First observation: 2019/08/29 # Last observation: 2021/10/07 Preliminary a, adot, b, bdot, g, gdot: 0.000014 0.024405 0.000001 -0.002556 0.024535 0.000000 # Chi-squared of fit: 0.78 DOF: 14 RMS: 0.05 # Min/Max residuals: -0.07 0.11 # Exact a, adot, b, bdot, g, gdot: 1.601995E-05 2.442622E-02 -1.741928E-06 -2.559748E-03 2.449231E-02 8.549932E-04 # Covariance matrix: 6.2661E-13 5.5956E-13 1.0162E-14 -8.3458E-14 1.2669E-12 1.5611E-11 5.5956E-13 4.8149E-12 6.8242E-14 -5.4746E-13 5.0116E-12 1.0255E-10 1.0162E-14 6.8242E-14 3.5191E-13 -1.9894E-13 7.1160E-14 1.5153E-12 -8.3458E-14 -5.4746E-13 -1.9894E-13 2.4369E-13 -5.7657E-13 -1.2144E-11 1.2669E-12 5.0116E-12 7.1160E-14 -5.7657E-13 6.7640E-12 1.0794E-10 1.5611E-11 1.0255E-10 1.5153E-12 -1.2144E-11 1.0794E-10 2.2750E-09 # lat0 lon0 xBary yBary zBary JD0 -1.084491 -9.122924 0.263742 -0.018340 -0.969067 2458724.712719 # Heliocentric elements and errors Epoch: 2458720.5000 = 2019/08/25 Mean Anomaly: 22.93338 +/- 1.218 Argument of Peri: 163.46313 +/- 1.445 Long of Asc Node: 160.50793 +/- 0.002 Inclination: 6.07889 +/- 0.001 Eccentricity: 0.07463060 +/- 0.0009 Semi-Major Axis: 44.84254665 +/- 0.0101 Time of Perihelion: 2451733.3613 +/- 371.1 Perihelion: 41.49592030 +/- 0.0399 Aphelion: 48.18917300 +/- 0.0403 Period (y) 300.2919 +/- 0.10 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 41.22346056 +/- 0.0043 Ecliptic Y -6.89346550 +/- 0.0007 Ecliptic Z -0.77283606 +/- 0.0001 Ecliptic XDOT 0.00053039 +/- 0.0000 Ecliptic YDOT 0.00268220 +/- 0.0000 Ecliptic ZDOT -0.00028812 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 41.80300040 +/- 0.0042 Geocenter to KBO 40.82914209 +/- 0.0043 # Hcoef: 8.84
The following table shows the complete astrometric record for 19QQ110. 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 (19QQ110) followed by the observatory code and reference code for the source of the astrometry.
2019 08 29.211918 23 28 11.247 -04 36 46.27 25.0r 19QQ110 W84 C~7XLi 2019 08 29.387113 23 28 10.505 -04 36 51.36 25.0r 19QQ110 W84 C~7XLi 2019 09 27.014583 23 26 05.429 -04 50 57.68 24.9r 19QQ110 W84 C~7XLi 2019 09 27.176040 23 26 04.724 -04 51 02.17 24.9r 19QQ110 W84 C~7XLi 2020 10 17.010669 23 30 06.134 -04 35 04.82 25.1r 19QQ110 W84 C~7XLi 2020 10 17.174574 23 30 05.531 -04 35 08.67 25.1r 19QQ110 W84 C~7XLi 2021 09 05.096099 23 38 26.835 -03 50 02.97 24.9r 19QQ110 W84 C~7XLi 2021 09 05.195929 23 38 26.393 -03 50 06.02 24.9r 19QQ110 W84 C~7XLi 2021 10 07.004805 23 36 08.639 -04 05 36.96 24.9r 19QQ110 W84 C~7XLi 2021 10 07.169933 23 36 07.943 -04 05 41.51 24.9r 19QQ110 W84 C~7XLi
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 -0.05 0.00 0.02
2 0.0005 -12.20 0.08 -0.31 -0.04
3 0.0789 -2064.21 -0.04 -42.21 -0.07
4 0.0793 -2075.66 0.02 -42.20 0.06
5 1.1357 1618.61 0.00 -584.15 0.03
6 1.1361 1608.80 -0.01 -584.13 0.04
7 2.0202 9573.41 0.04 -1068.94 -0.02
8 2.0205 9566.11 -0.07 -1069.11 -0.05
9 2.1076 7300.75 0.11 -1105.59 0.02
10 2.1080 7289.37 -0.07 -1105.64 0.01
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.
19QQ110 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.873 44.906 44.840 ecceobj 0.075 0.076 0.073 incobj 6.068 6.068 6.068 qmin 40.760 40.749 40.804 qmax 48.936 49.024 48.899 amean 44.754 44.784 44.721 amin 44.398 44.428 44.373 amax 45.132 45.163 45.097 emean 0.072 0.073 0.070 emin 0.057 0.058 0.056 emax 0.085 0.086 0.084 imean 5.734 5.726 5.735 imin 5.206 5.207 5.204 imax 6.284 6.268 6.275 excite_mean 0.123 0.124 0.122 fracstop 1.000 1.000 1.000 cjmean 3.092 3.093 3.092 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 186.1 186.8 185.7 kozaiamp 180.0 180.0 180.0