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: 16RS82 # Created Wed Dec 25 02:10:42 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 11 observations of 11 # Arc: 5.15y # First observation: 2016/09/11 # Last observation: 2021/11/05 # Chi-squared of fit: 3.55 DOF: 16 RMS: 0.10 # Min/Max residuals: -0.22 0.19 # Exact a, adot, b, bdot, g, gdot: 1.469945E-05 2.186281E-02 7.317897E-07 5.334539E-04 2.330235E-02 9.305739E-04 # Covariance matrix: 6.7233E-13 -2.8512E-13 4.7663E-15 -9.6290E-15 4.7635E-13 -2.5990E-12 -2.8512E-13 1.3525E-12 -2.7121E-14 3.1201E-14 1.8836E-12 1.0668E-11 4.7663E-15 -2.7121E-14 3.0933E-13 -8.0360E-14 -3.7578E-14 -2.2135E-13 -9.6290E-15 3.1201E-14 -8.0360E-14 3.7277E-14 3.3598E-14 2.6633E-13 4.7635E-13 1.8836E-12 -3.7578E-14 3.3598E-14 4.4861E-12 1.3099E-11 -2.5990E-12 1.0668E-11 -2.2135E-13 2.6633E-13 1.3099E-11 8.9111E-11 # lat0 lon0 xBary yBary zBary JD0 -2.573345 -1.158547 0.174211 -0.044468 -0.993446 2457642.731279 # Heliocentric elements and errors Epoch: 2457642.5000 = 2016/09/11 Mean Anomaly: 118.96077 +/- 0.302 Argument of Peri: 175.46052 +/- 0.290 Long of Asc Node: 59.67643 +/- 0.009 Inclination: 2.87343 +/- 0.000 Eccentricity: 0.04598972 +/- 0.0004 Semi-Major Axis: 42.88231771 +/- 0.0113 Time of Perihelion: 2423748.9489 +/- 87.2 Perihelion: 40.91017198 +/- 0.0201 Aphelion: 44.85446344 +/- 0.0207 Period (y) 280.8184 +/- 0.11 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 43.84919081 +/- 0.0039 Ecliptic Y -1.06363764 +/- 0.0001 Ecliptic Z -1.92675768 +/- 0.0002 Ecliptic XDOT 0.00016565 +/- 0.0000 Ecliptic YDOT 0.00255901 +/- 0.0000 Ecliptic ZDOT 0.00005767 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 43.90436272 +/- 0.0039 Geocenter to KBO 42.91413671 +/- 0.0039 # Hcoef: 6.73
The following table shows the complete astrometric record for 16RS82. 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 (16RS82) followed by the observatory code and reference code for the source of the astrometry.
2016 09 11.23049 23 59 50.742 -02 49 18.09 22.8i 16RS82 W84 C~55Zp 2016 10 06.05589 23 58 05.003 -03 00 31.75 23.1z 16RS82 W84 C~55Zp 2017 09 18.22639 00 03 54.364 -02 20 52.19 23.0r 16RS82 W84 C~55Zp 2017 09 27.16491 00 03 16.003 -02 24 58.25 22.7z 16RS82 W84 C~55Zp 2017 10 19.15880 00 01 45.640 -02 34 14.21 23.1i 16RS82 W84 C~55Zp 2017 10 28.15307 00 01 13.170 -02 37 23.58 22.7z 16RS82 W84 C~55Zp 2018 11 07.12063 00 05 12.992 -02 08 52.65 22.9i 16RS82 W84 C~55Zp 2018 11 07.12203 00 05 13.011 -02 08 52.70 22.9r 16RS82 W84 C~55Zp 2021 11 05.095780 00 18 48.551 -00 34 07.16 23.4G 16RS82 G37 C~5Bd5 2021 11 05.145480 00 18 48.398 -00 34 08.28 16RS82 G37 C~5Bd5 2021 11 05.194120 00 18 48.225 -00 34 09.06 16RS82 G37 C~5Bd5
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 0.06 0.00 -0.06
2 0.0680 0.00 -0.14 0.00 0.17
3 1.0185 0.00 0.00 0.00 0.00
4 1.0429 0.00 0.04 0.00 -0.02
5 1.1032 0.00 -0.01 0.00 -0.06
6 1.1278 0.00 0.19 0.00 -0.04
7 2.1544 0.00 -0.22 0.00 0.02
8 2.1544 0.00 0.13 0.00 -0.01
9 5.1495 0.00 -0.05 0.00 0.11
10 5.1497 0.00 0.11 0.00 -0.10
11 5.1498 0.00 -0.08 0.00 0.00
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.
16RS82 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 43.272 43.272 43.272 ecceobj 0.040 0.040 0.040 incobj 2.870 2.870 2.870 qmin 40.744 40.727 40.739 qmax 45.672 45.672 45.687 amean 43.110 43.110 43.110 amin 42.781 42.778 42.777 amax 43.451 43.451 43.450 emean 0.032 0.032 0.032 emin 0.014 0.014 0.014 emax 0.052 0.051 0.052 imean 1.349 1.349 1.349 imin 0.388 0.388 0.388 imax 2.164 2.164 2.164 excite_mean 0.040 0.040 0.040 fracstop 1.000 1.000 1.000 cjmean 3.089 3.089 3.089 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 186.8 186.8 186.8 kozaiamp 180.0 180.0 180.0