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: 04SC60 # Created Thu May 24 01:37:28 2012 # Orbit generated from Bernstein formalism # Fitting 14 observations of 16 # Arc: 6.03y # First observation: 2004/09/22 # Last observation: 2010/10/03 Preliminary a, adot, b, bdot, g, gdot: 0.000001 0.035173 0.000000 0.000602 0.031633 0.000000 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 12.02 DOF: 22 RMS: 0.16 # Min/Max residuals: -0.34 0.30 # Exact a, adot, b, bdot, g, gdot: 1.853549E-05 3.496167E-02 5.316271E-07 5.988320E-04 3.039290E-02 9.728677E-04 # Covariance matrix: 1.1384E-12 5.4757E-10 -1.3416E-15 9.3789E-12 3.9212E-10 2.5945E-09 5.4757E-10 7.4240E-07 -1.8186E-12 1.2713E-08 5.3154E-07 3.5169E-06 -1.3416E-15 -1.8186E-12 7.3434E-13 -1.5359E-13 -1.3021E-12 -8.6148E-12 9.3789E-12 1.2713E-08 -1.5359E-13 2.1773E-10 9.1025E-09 6.0225E-08 3.9212E-10 5.3154E-07 -1.3021E-12 9.1025E-09 3.8058E-07 2.5180E-06 2.5945E-09 3.5169E-06 -8.6148E-12 6.0225E-08 2.5180E-06 1.6660E-05 # lat0 lon0 xBary yBary zBary JD0 -0.089223 -6.281220 -0.100438 -0.001498 -1.002794 2453270.730873 # Heliocentric elements and errors Epoch: 2453270.5000 = 2004/09/22 Mean Anomaly: 11.17035 +/- 40.852 Argument of Peri: 340.20407 +/- 54.980 Long of Asc Node: 358.90617 +/- 0.002 Inclination: 0.98944 +/- 0.000 Eccentricity: 0.13577670 +/- 0.0207 Semi-Major Axis: 39.07208992 +/- 1.0027 Time of Perihelion: 2450502.5214 +/- 10122.5 Perihelion: 33.76701035 +/- 1.1854 Aphelion: 44.37716949 +/- 1.3969 Period (y) 244.2351 +/- 9.40 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 33.70851006 +/- 0.6638 Ecliptic Y -3.60805107 +/- 0.0731 Ecliptic Z -0.05118858 +/- 0.0010 Ecliptic XDOT 0.00043014 +/- 0.0004 Ecliptic YDOT 0.00311383 +/- 0.0000 Ecliptic ZDOT 0.00005391 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 33.90109590 +/- 0.6601 Geocenter to KBO 32.90242004 +/- 0.6679 # Hcoef: 7.27
The following table shows the complete astrometric record for 04SC60. 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 (04SC60) followed by the observatory code and reference code for the source of the astrometry.
2004 09 22.23013 23 37 04.51 -02 34 34.5 22.6R 04SC60 675 Cn3338 2004 09 22.27546 23 37 04.27 -02 34 35.9 22.3R 04SC60 675 Cn3338 2004 09 23.23653 23 36 59.32 -02 35 07.3 22.4R 04SC60 675 Cn3338 2004 09 23.27897 23 36 59.09 -02 35 08.7 22.3R 04SC60 675 Cn3338 2010 09 15.48832 00 21 09.08 +02 24 46.2 22.6w 04SC60 F51 C~0STw 2010 09 15.49804 00 21 09.03 +02 24 45.6 22.8w 04SC60 F51 C~0STw 2010 09 15.50708 00 21 08.97 +02 24 45.2 22.3w 04SC60 F51 C~0STw 2010 09 15.51611 00 21 08.90 +02 24 45.4 22.6w 04SC60 F51 C~0STw 2010 09 16.43970 00 21 04.14 +02 24 14.6 22.4w 04SC60 F51 C~0STw 2010 09 16.45150 00 21 04.08 +02 24 14.1 22.6w 04SC60 F51 C~0STw 2010 09 16.46263 00 21 04.02 +02 24 13.8 22.6w 04SC60 F51 C~0STw 2010 09 16.47374 00 21 03.96 +02 24 13.4 22.5w 04SC60 F51 C~0STw 2010 10 03.38622 00 19 34.13 +02 14 39.2 22.6w 04SC60 F51 C~0STw 2010 10 03.39941 00 19 34.07 +02 14 38.7 22.5w 04SC60 F51 C~0STw 2010 10 03.41399 00 19 33.99 +02 14 38.2 22.6w 04SC60 F51 C~0STw 2010 10 03.42789 00 19 33.91 +02 14 37.8 22.4w 04SC60 F51 C~0STw
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 -0.07 0.00 -0.05 2 0.0001 -3.86 0.07 0.14 0.05 3 0.0028 -84.40 ( 2.99) 0.66 ( 0.25) 4 0.0029 -88.12 ( 3.01) 0.74 ( 0.29) 5 5.9802 44185.58 0.21 742.92 -0.05 6 5.9802 44184.61 0.12 742.66 -0.32 7 5.9802 44183.58 -0.10 742.65 -0.34 8 5.9802 44182.66 -0.22 743.26 0.27 9 5.9828 44101.40 0.01 743.20 -0.07 10 5.9828 44100.33 0.00 743.10 -0.19 11 5.9828 44099.34 0.01 743.18 -0.12 12 5.9829 44098.31 -0.02 743.17 -0.14 13 6.0292 42570.04 -0.09 748.91 0.30 14 6.0292 42568.97 0.05 748.80 0.18 15 6.0293 42567.61 0.04 748.82 0.19 16 6.0293 42566.30 0.01 748.93 0.28
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.
04SC60 quality flag:3 Type: 3:2E 3:2E 3:2E axisobj 39.527 39.527 39.527 ecceobj 0.145 0.145 0.145 incobj 0.985 0.985 0.985 qmin 33.006 33.054 33.062 qmax 46.647 46.570 46.675 amean 39.459 39.459 39.459 amin 38.901 38.898 38.905 amax 40.072 40.062 40.059 emean 0.144 0.142 0.143 emin 0.122 0.120 0.122 emax 0.166 0.163 0.166 imean 3.078 2.974 2.829 imin 0.506 0.000 0.679 imax 4.563 4.709 4.360 excite_mean 0.155 0.153 0.153 fracstop 1.000 1.000 1.000 cjmean 3.024 3.024 3.025 libcent 0 180.6 179.7 180.2 libamp 0 135.3 135.9 134.1 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 196.8 202.7 196.9 kozaiamp 180.0 179.9 180.0