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: 16QE135 # Created Fri Apr 26 01:17:58 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 20 observations of 20 # Arc: 5.01y # First observation: 2013/11/05 # Last observation: 2018/11/07 # Chi-squared of fit: 4.53 DOF: 34 RMS: 0.08 # Min/Max residuals: -0.18 0.16 # Exact a, adot, b, bdot, g, gdot: 1.591364E-05 2.682216E-02 6.786880E-06 1.155942E-02 2.707948E-02 -8.287297E-04 # Covariance matrix: 4.7434E-13 -2.1979E-13 3.2506E-14 -5.1915E-14 -1.0611E-13 -9.1387E-13 -2.1979E-13 4.0253E-13 -9.7714E-14 1.4947E-13 -1.0059E-13 2.6462E-12 3.2506E-14 -9.7714E-14 4.1224E-13 -1.3823E-13 2.4474E-14 -6.9686E-13 -5.1915E-14 1.4947E-13 -1.3823E-13 9.1451E-14 -3.1155E-14 1.0683E-12 -1.0611E-13 -1.0059E-13 2.4474E-14 -3.1155E-14 4.2521E-13 -5.6651E-13 -9.1387E-13 2.6462E-12 -6.9686E-13 1.0683E-12 -5.6651E-13 1.8908E-11 # lat0 lon0 xBary yBary zBary JD0 -14.224777 9.017741 -0.545465 -0.203024 -0.801386 2456601.521858 # Heliocentric elements and errors Epoch: 2456602.5000 = 2013/11/06 Mean Anomaly: 353.28520 +/- 0.069 Argument of Peri: 336.62821 +/- 0.087 Long of Asc Node: 38.81868 +/- 0.000 Inclination: 27.10952 +/- 0.000 Eccentricity: 0.11306159 +/- 0.0001 Semi-Major Axis: 42.49685096 +/- 0.0057 Time of Perihelion: 2458489.9010 +/- 27.8 Perihelion: 37.69208928 +/- 0.0063 Aphelion: 47.30161265 +/- 0.0073 Period (y) 277.0405 +/- 0.06 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 36.08395470 +/- 0.0009 Ecliptic Y 6.28197090 +/- 0.0001 Ecliptic Z -9.07406714 +/- 0.0002 Ecliptic XDOT -0.00022781 +/- 0.0000 Ecliptic YDOT 0.00270892 +/- 0.0000 Ecliptic ZDOT 0.00115360 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 37.73399462 +/- 0.0008 Geocenter to KBO 36.92839192 +/- 0.0009 # Hcoef: 7.50
The following table shows the complete astrometric record for 16QE135. 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 (16QE135) followed by the observatory code and reference code for the source of the astrometry.
2013 11 05.02108 00 55 38.97 -09 29 52.9 16QE135 W84 C~55Zd 2013 11 05.05951 00 55 38.80 -09 29 53.2 23.2r 16QE135 W84 C~55Zd 2013 11 05.15284 00 55 38.36 -09 29 53.8 16QE135 W84 C~55Zd 2016 08 16.42463 01 15 31.117 -05 16 17.93 22.8i 16QE135 W84 C~55Zd 2016 08 31.28268 01 14 44.681 -05 23 00.43 23.8g 16QE135 W84 C~55Zd 2016 10 01.22049 01 12 24.316 -05 37 46.99 23.3r 16QE135 W84 C~55Zd 2016 10 01.22187 01 12 24.312 -05 37 46.91 23.0i 16QE135 W84 C~55Zd 2016 10 01.22324 01 12 24.286 -05 37 47.01 24.1g 16QE135 W84 C~55Zd 2016 10 22.16487 01 10 35.077 -05 45 53.17 24.2g 16QE135 W84 C~55Zd 2016 10 23.16247 01 10 29.942 -05 46 11.48 22.9r 16QE135 W84 C~55Zd 2017 08 28.30602 01 19 28.065 -04 07 36.14 23.1g 16QE135 W84 C~55Zd 2017 09 03.39682 01 19 06.225 -04 10 22.63 23.5g 16QE135 W84 C~55Zd 2017 09 18.27452 01 18 02.990 -04 17 24.54 23.1i 16QE135 W84 C~55Zd 2017 09 18.27590 01 18 02.977 -04 17 24.56 23.5r 16QE135 W84 C~55Zd 2017 09 18.31800 01 18 02.784 -04 17 25.64 22.9z 16QE135 W84 C~55Zd 2017 09 24.25921 01 17 34.378 -04 20 13.47 22.8z 16QE135 W84 C~55Zd 2018 10 19.15897 01 20 00.694 -03 16 09.91 23.0z 16QE135 W84 C~55Zd 2018 11 06.19794 01 18 29.321 -03 21 25.31 23.2r 16QE135 W84 C~55Zd 2018 11 06.19932 01 18 29.326 -03 21 25.45 23.0i 16QE135 W84 C~55Zd 2018 11 07.20318 01 18 24.524 -03 21 38.23 23.9g 16QE135 W84 C~55Zd
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 -0.03
2 0.0001 0.00 0.08 0.00 -0.04
3 0.0004 0.00 -0.02 0.00 0.06
4 2.7800 0.00 0.10 0.00 0.10
5 2.8207 0.00 0.04 0.00 -0.02
6 2.9054 0.00 0.10 0.00 -0.03
7 2.9054 0.00 0.15 0.00 0.09
8 2.9054 0.00 -0.14 0.00 0.03
9 2.9627 0.00 -0.07 0.00 -0.17
10 2.9655 0.00 -0.07 0.00 0.08
11 3.8119 0.00 -0.16 0.00 -0.18
12 3.8285 0.00 0.08 0.00 -0.03
13 3.8693 0.00 0.04 0.00 0.00
14 3.8693 0.00 -0.06 0.00 0.02
15 3.8694 0.00 0.04 0.00 0.14
16 3.8857 0.00 -0.03 0.00 -0.02
17 4.9531 0.00 -0.05 0.00 0.02
18 5.0025 0.00 -0.02 0.00 0.10
19 5.0025 0.00 0.16 0.00 -0.02
20 5.0053 0.00 0.00 0.00 -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.
16QE135 quality flag:3 Type: SCATEXTD SCATEXTD SCATEXTD axisobj 42.746 42.746 42.746 ecceobj 0.118 0.118 0.118 incobj 27.077 27.077 27.077 qmin 36.278 36.275 36.280 qmax 48.991 48.994 49.000 amean 42.507 42.507 42.507 amin 42.147 42.157 42.151 amax 42.893 42.876 42.881 emean 0.121 0.121 0.121 emin 0.099 0.098 0.099 emax 0.144 0.144 0.144 imean 26.243 26.243 26.237 imin 25.724 25.732 25.717 imax 26.742 26.742 26.754 excite_mean 0.458 0.458 0.459 fracstop 1.000 1.000 1.000 cjmean 2.823 2.823 2.823 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 173.7 173.7 173.8 kozaiamp 180.0 180.0 180.0