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: 06QH181 # Created Mon May 20 01:37:35 2013 # Orbit generated from Bernstein formalism # Fitting 10 observations of 10 # Arc: 1.54y # First observation: 2006/08/21 # Last observation: 2008/03/05 Preliminary a, adot, b, bdot, g, gdot: -0.000004 0.006950 0.000007 0.002262 0.012525 0.000000 # Chi-squared of fit: 14.00 DOF: 14 RMS: 0.21 # Min/Max residuals: -0.33 0.43 # Exact a, adot, b, bdot, g, gdot: 8.202900E-06 6.585192E-03 2.602243E-06 2.278074E-03 1.228107E-02 3.079794E-03 # Covariance matrix: 4.8724E-13 -1.0770E-12 -2.1208E-14 5.3030E-13 1.0371E-12 1.4796E-10 -1.0770E-12 4.4311E-10 1.0753E-11 -6.5074E-11 1.5871E-10 -1.6707E-08 -2.1208E-14 1.0753E-11 4.9749E-13 -1.7529E-12 3.8585E-12 -4.0543E-10 5.3030E-13 -6.5074E-11 -1.7529E-12 1.0532E-11 -2.1153E-11 2.6372E-09 1.0371E-12 1.5871E-10 3.8585E-12 -2.1153E-11 6.4325E-11 -5.3664E-09 1.4796E-10 -1.6707E-08 -4.0543E-10 2.6372E-09 -5.3664E-09 6.8248E-07 # lat0 lon0 xBary yBary zBary JD0 -3.252149 65.111339 1.005357 0.006903 0.119111 2453968.867764 # Heliocentric elements and errors Epoch: 2453960.5000 = 2006/08/13 Mean Anomaly: 96.98336 +/- 14.050 Argument of Peri: 210.42166 +/- 7.810 Long of Asc Node: 73.76565 +/- 0.028 Inclination: 19.27852 +/- 0.054 Eccentricity: 0.43975470 +/- 0.0514 Semi-Major Axis: 67.00937818 +/- 3.7390 Time of Perihelion: 2399985.0151 +/- 6382.6 Perihelion: 37.54168902 +/- 4.0338 Aphelion: 96.47706734 +/- 6.3924 Period (y) 548.5441 +/- 45.91 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 35.07165744 +/- 0.0224 Ecliptic Y 73.21031410 +/- 0.0482 Ecliptic Z -4.61913222 +/- 0.0031 Ecliptic XDOT -0.00102657 +/- 0.0001 Ecliptic YDOT 0.00126089 +/- 0.0002 Ecliptic ZDOT 0.00046805 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 81.30871804 +/- 0.0444 Geocenter to KBO 81.42609946 +/- 0.0532 # Hcoef: 3.80
The following table shows the complete astrometric record for 06QH181. 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 (06QH181) followed by the observatory code and reference code for the source of the astrometry.
2006 08 21.36701 04 15 09.34 +17 57 03.8 22.3R 06QH181 807 Cs5502 2006 08 22.35191 04 15 09.90 +17 57 03.8 06QH181 807 Cs5502 2006 08 23.34016 04 15 10.42 +17 57 04.3 06QH181 807 Cs5502 2006 10 19.38669 04 14 19.45 +17 54 01.9 22.9R 06QH181 695 Ct0530 2006 10 19.49486 04 14 19.25 +17 54 01.9 06QH181 695 Ct0530 2006 10 20.39130 04 14 17.29 +17 53 56.1 06QH181 695 Ct0530 2006 10 20.49409 04 14 17.07 +17 53 55.4 06QH181 695 Ct0530 2008 03 04.31389 04 11 37.98 +18 00 11.4 06QH181 568 Cy4051 2008 03 05.22922 04 11 38.65 +18 00 16.1 06QH181 568 Cy4051 2008 03 05.31374 04 11 38.69 +18 00 16.2 06QH181 568 Cy4051
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 0.07 2 0.0027 7.87 -0.07 -1.41 -0.21 3 0.0054 15.26 0.01 -2.22 0.12 4 0.1616 -732.95 -0.18 -53.36 -0.10 5 0.1619 -735.76 0.43 -52.85 0.43 6 0.1643 -764.33 -0.16 -53.60 -0.10 7 0.1646 -767.54 -0.08 -53.74 -0.21 8 1.5358 -2934.05 -0.12 722.35 0.35 9 1.5383 -2923.80 0.22 725.25 -0.03 10 1.5385 -2923.22 -0.10 725.24 -0.33
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.
06QH181 quality flag:1 Type: 10:3EEEEEE 5:1EEEE SCATEXTD axisobj 67.836 89.172 61.625 ecceobj 0.435 0.619 0.326 incobj 19.131 19.280 18.979 qmin 37.366 33.464 40.311 qmax 97.663 144.232 82.623 amean 67.185 88.036 61.360 amin 66.911 87.491 61.284 amax 67.541 88.868 61.487 emean 0.439 0.618 0.338 emin 0.433 0.615 0.332 emax 0.447 0.623 0.344 imean 17.580 18.036 17.387 imin 17.198 17.895 17.076 imax 17.924 18.171 17.768 excite_mean 0.533 0.691 0.451 fracstop 1.000 1.000 1.000 cjmean 3.007 2.898 3.056 libcent 0 175.4 180.3 -180.0 libamp 0 157.7 157.2 -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 180.3 222.8 209.8 kozaiamp 180.0 180.0 179.8