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: 00ON67 # Created Sun Nov 22 02:37:13 2009 # Orbit generated from Bernstein formalism # Fitting 23 observations of 26 # Arc: 6.77y # First observation: 2000/07/31 # Last observation: 2007/05/10 Preliminary a, adot, b, bdot, g, gdot: 0.000336 0.020962 0.000003 0.000175 0.022918 0.000000 # Chi-squared of fit: 53.45 DOF: 40 RMS: 0.27 # Min/Max residuals: -0.60 0.59 # Exact a, adot, b, bdot, g, gdot: 1.578696E-05 2.147680E-02 -6.995521E-07 1.834850E-04 2.306618E-02 3.786801E-04 # Covariance matrix: 3.3295E-13 -2.2356E-13 2.1143E-15 -4.5874E-15 1.6409E-13 -1.0917E-12 -2.2356E-13 2.8694E-13 -3.1162E-15 5.0211E-15 -2.9832E-14 1.6657E-12 2.1143E-15 -3.1162E-15 1.0556E-13 -2.2331E-14 3.9251E-17 -1.9157E-14 -4.5874E-15 5.0211E-15 -2.2331E-14 1.2226E-14 -2.1626E-15 2.8974E-14 1.6409E-13 -2.9832E-14 3.9251E-17 -2.1626E-15 2.5615E-13 4.7260E-14 -1.0917E-12 1.6657E-12 -1.9157E-14 2.8974E-14 4.7260E-14 1.0301E-11 # lat0 lon0 xBary yBary zBary JD0 -3.168426 -23.124887 0.489730 -0.049286 -0.887440 2451756.841063 # Heliocentric elements and errors Epoch: 2451750.5000 = 2000/07/25 Mean Anomaly: 172.66377 +/- 0.326 Argument of Peri: 105.11992 +/- 0.325 Long of Asc Node: 58.05715 +/- 0.005 Inclination: 3.13636 +/- 0.000 Eccentricity: 0.02646682 +/- 0.0001 Semi-Major Axis: 43.11502420 +/- 0.0044 Time of Perihelion: 2505560.2092 +/- 93.3 Perihelion: 41.97390673 +/- 0.0054 Aphelion: 44.25614167 +/- 0.0056 Period (y) 283.1074 +/- 0.04 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 40.44029543 +/- 0.0009 Ecliptic Y -17.79512417 +/- 0.0004 Ecliptic Z -2.39625441 +/- 0.0001 Ecliptic XDOT 0.00103641 +/- 0.0000 Ecliptic YDOT 0.00233185 +/- 0.0000 Ecliptic ZDOT 0.00001941 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 44.24732731 +/- 0.0008 Geocenter to KBO 43.35352353 +/- 0.0010 # Hcoef: 6.03
The following table shows the complete astrometric record for 00ON67. 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 (00ON67) followed by the observatory code and reference code for the source of the astrometry.
2000 07 31.34032 22 39 12.74 -11 55 43.1 22.6R 00ON67 807 Cc0956 2000 07 31.42019 22 39 12.45 -11 55 44.9 00ON67 807 Cc0956 2000 08 27.17980 22 37 22.47 -12 07 04.1 22.4R 00ON67 807 Cc0956 2000 08 27.25472 22 37 22.13 -12 07 06.2 00ON67 807 Cc0956 2000 09 21.20280 22 35 35.55 -12 17 06.9 22.5R 00ON67 695 Cc2364 2000 09 21.28587 22 35 35.15 -12 17 09.2 00ON67 695 Cc2364 2000 11 28.10022 22 33 22.94 -12 25 38.2 22.7R 00ON67 695 Cc3775 2000 11 29.10082 22 33 23.75 -12 25 28.9 22.9R 00ON67 695 Cc3775 2001 07 23.42834 22 44 19.156 -11 24 17.39 00ON67 568 Cl5584 2001 07 23.49718 22 44 18.901 -11 24 19.06 00ON67 568 Cl5584 2001 09 19.16421 22 40 24.35 -11 48 08.8 00ON67 695 Cd5762 2001 09 19.33083 22 40 23.65 -11 48 13.1 00ON67 695 Cd5762 2001 09 22.17673 22 40 12.08 -11 49 15.8 00ON67 290 Cd5762 2001 09 22.20024 22 40 11.95 -11 49 16.6 00ON67 290 Cd5762 2001 10 11.04564 22 39 03.49 -11 55 11.4 20.2 00ON67 304 Ce8850 2001 10 11.07439 22 39 03.39 -11 55 12.1 00ON67 304 Ce8850 2002 07 10.21546 22 49 32.09 -10 51 22.7 22.6R 00ON67 304 Cf9760 2002 07 10.43898 22 49 31.57 -10 51 26.6 00ON67 304 Cf9760 2002 07 12.36340 22 49 27.01 -10 51 59.5 00ON67 304 Cf9760 2002 07 12.38310 22 49 26.95 -10 51 59.8 00ON67 304 Cf9760 2002 07 13.35810 22 49 24.56 -10 52 17.8 00ON67 304 Cf9760 2002 07 13.39053 22 49 24.49 -10 52 18.6 00ON67 304 Cf9760 2007 05 10.20587 23 11 33.51 -08 25 50.7 22.9R 00ON67 250 S~06AN 2007 05 10.21281 23 11 33.52 -08 25 50.7 00ON67 250 S~06AN 2007 05 10.22045 23 11 33.54 -08 25 50.6 00ON67 250 S~06AN 2007 05 10.27531 23 11 33.71 -08 25 49.8 00ON67 250 S~06AN
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 -0.22 0.00 0.17 2 0.0002 -4.62 -0.06 -0.08 0.21 3 0.0735 -1755.07 0.20 -28.21 0.04 4 0.0737 -1760.48 0.04 -28.30 -0.08 5 0.1420 -3434.67 0.41 -5.37 0.46 6 0.1422 -3440.97 -0.60 -5.33 0.31 7 0.3279 -5430.00 0.15 238.33 -0.12 8 0.3306 -5415.53 0.08 242.60 -0.35 9 0.9777 4880.90 0.24 54.90 -0.30 10 0.9778 4876.79 -0.22 54.77 -0.28 11 1.1357 1144.84 0.37 27.70 0.24 12 1.1362 1133.70 0.14 27.57 -0.23 13 1.1440 952.71 0.42 33.11 0.30 14 1.1440 950.64 -0.14 33.08 0.22 15 1.1956 -114.06 -0.32 80.15 -0.19 16 1.1957 -115.69 -0.51 80.05 -0.39 17 1.9408 9898.17 0.04 130.76 -0.37 18 1.9414 9889.58 0.09 130.09 -0.42 19 1.9467 9814.76 ( 0.02) 125.34 ( 0.92) 20 1.9467 9813.83 ( -0.10) 125.40 ( 1.04) 21 1.9494 9774.32 ( -0.19) 122.22 ( 0.86) 22 1.9495 9773.06 -0.09 121.87 0.59 23 6.7731 31530.46 0.17 558.16 0.08 24 6.7731 31530.60 -0.03 558.10 0.04 25 6.7731 31530.92 -0.08 558.07 0.05 26 6.7733 31533.61 -0.07 557.80 -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.
00ON67 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 43.189 43.202 43.176 ecceobj 0.025 0.025 0.025 incobj 3.136 3.136 3.136 qmin 41.060 41.075 41.037 qmax 45.035 45.054 45.034 amean 43.036 43.054 43.027 amin 43.026 43.039 43.013 amax 43.053 43.066 43.040 emean 0.033 0.032 0.033 emin 0.019 0.019 0.019 emax 0.046 0.046 0.046 imean 1.671 1.675 1.668 imin 0.675 0.686 0.665 imax 2.532 2.529 2.537 excite_mean 0.045 0.044 0.045 fracstop 1.000 1.000 1.000 cjmean 3.088 3.088 3.088 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 172.8 173.5 172.0 kozaiamp 180.0 180.0 180.0