The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory.
# Object: 06QP180
# Created Fri May 2 02:36:57 2008
# Orbit generated from Bernstein formalism
# Fitting 42 observations of 42
# Arc: 5.31y
# First observation: 2002/07/22
# Last observation: 2007/11/12
Preliminary a, adot, b, bdot, g, gdot:
0.013825 0.161041 -0.000461 0.003239 0.106486 0.000000
# Chi-squared of fit: 47.23 DOF: 78 RMS: 0.19
# Min/Max residuals: -0.50 0.51
# Exact a, adot, b, bdot, g, gdot:
3.467976E-05 1.690260E-01 -6.805731E-07 2.819942E-03 7.891086E-02 3.210144E-02
# Covariance matrix:
3.6816E-13 -1.5239E-13 4.7003E-17 -1.1126E-15 -5.6472E-15 -1.0848E-13
-1.5239E-13 2.5402E-13 -1.6054E-15 4.1928E-15 1.0064E-13 2.8178E-13
4.7003E-17 -1.6054E-15 3.3403E-13 -7.0527E-14 -3.1794E-15 -9.4314E-16
-1.1126E-15 4.1928E-15 -7.0527E-14 1.6808E-14 3.4270E-15 4.3429E-15
-5.6472E-15 1.0064E-13 -3.1794E-15 3.4270E-15 1.8602E-13 6.4255E-14
-1.0848E-13 2.8178E-13 -9.4314E-16 4.3429E-15 6.4255E-14 3.5588E-13
# lat0 lon0 xBary yBary zBary JD0
5.195794 -44.200053 0.291510 0.088504 -0.974135 2452477.850013
# Heliocentric elements and errors
Epoch: 2452470.5000 = 2002/07/15
Mean Anomaly: 3.93082 +/- 0.000
Argument of Peri: 52.63420 +/- 0.001
Long of Asc Node: 237.79564 +/- 0.001
Inclination: 4.95470 +/- 0.000
Eccentricity: 0.65185185 +/- 0.0000
Semi-Major Axis: 37.83644552 +/- 0.0027
Time of Perihelion: 2451542.2939 +/- 0.0
Perihelion: 13.17268866 +/- 0.0013
Aphelion: 62.50020238 +/- 0.0045
Period (y) 232.7414 +/- 0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 9.54591241 +/- 0.0000
Ecliptic Y -9.68384788 +/- 0.0000
Ecliptic Z 1.14764719 +/- 0.0000
Ecliptic XDOT 0.00486948 +/- 0.0000
Ecliptic YDOT 0.00343469 +/- 0.0000
Ecliptic ZDOT 0.00019851 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 13.64618803 +/- 0.0000
Geocenter to KBO 12.67252720 +/- 0.0001
# Hcoef: 9.82
The following table shows the complete astrometric record for 06QP180. 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 (06QP180) followed by the observatory code and reference code for the source of the astrometry.
2002 07 22.34927 21 06 45.70 -11 07 59.5 21. R 06QP180 644 Cy2155 2002 07 22.38387 21 06 45.34 -11 08 00.5 06QP180 644 Cy2155 2002 08 16.30486 21 01 55.11 -11 28 01.3 21. R 06QP180 644 Cy2155 2002 08 17.28709 21 01 43.82 -11 28 53.0 21. R 06QP180 644 Cy2155 2006 08 28.25805 23 06 42.75 -00 17 36.7 22.4 06QP180 705 C62217 2006 08 28.25888 23 06 42.74 -00 17 36.7 23.7 06QP180 705 C62217 2006 09 11.26639 23 04 21.62 -00 32 34.2 21.9 06QP180 705 C62217 2006 09 11.26971 23 04 21.58 -00 32 34.5 22.7 06QP180 705 C62217 2006 09 18.26234 23 03 11.64 -00 40 26.5 21.9 06QP180 705 C62217 2006 09 18.26566 23 03 11.60 -00 40 26.8 23.2 06QP180 705 C62217 2006 09 20.23075 23 02 52.33 -00 42 40.4 22.2 06QP180 705 C62217 2006 09 20.23407 23 02 52.31 -00 42 40.7 23.4 06QP180 705 C62217 2006 09 29.28994 23 01 26.99 -00 52 51.9 21.9 06QP180 705 C62217 2006 09 29.29326 23 01 26.94 -00 52 52.4 23.0 06QP180 705 C62217 2006 10 01.21351 23 01 09.86 -00 54 59.4 22.1 06QP180 705 C62217 2006 10 01.21683 23 01 09.84 -00 54 59.7 22.9 06QP180 705 C62217 2006 10 03.27779 23 00 51.90 -00 57 14.8 22.1 06QP180 705 C62217 2006 10 03.27863 23 00 51.90 -00 57 14.7 23.2 06QP180 705 C62217 2006 10 12.21284 22 59 40.50 -01 06 36.4 22.5 06QP180 705 C62217 2006 10 12.21367 22 59 40.49 -01 06 36.4 23.9 06QP180 705 C62217 2006 10 14.26195 22 59 25.72 -01 08 38.6 22.2 06QP180 705 C62217 2006 10 14.26278 22 59 25.71 -01 08 38.8 23.4 06QP180 705 C62217 2006 10 20.20259 22 58 46.80 -01 14 14.9 22.3 06QP180 705 C62217 2006 10 20.20342 22 58 46.80 -01 14 14.9 23.7 06QP180 705 C62217 2007 07 12.39105 23 36 16.749 +02 28 23.24 21.6R 06QP180 304 2007 07 12.44698 23 36 16.624 +02 28 22.87 06QP180 304 2007 10 13.29157 23 24 19.81 +01 15 46.4 22.4 06QP180 705 Cy0771 2007 10 13.29489 23 24 19.77 +01 15 45.9 23.4 06QP180 705 Cy0771 2007 10 15.29648 23 24 04.16 +01 13 41.2 22.3 06QP180 705 Cy0771 2007 10 15.29897 23 24 04.13 +01 13 40.8 23.4 06QP180 705 Cy0771 2007 10 20.28110 23 23 27.60 +01 08 40.3 22.2 06QP180 705 Cy0771 2007 10 20.28442 23 23 27.59 +01 08 40.0 23.1 06QP180 705 Cy0771 2007 11 04.20314 23 22 01.95 +00 55 36.2 22.7 06QP180 705 Cy0771 2007 11 04.20397 23 22 01.96 +00 55 36.1 24.0 06QP180 705 Cy0771 2007 11 07.16112 23 21 49.77 +00 53 26.0 22.5 06QP180 705 Cy0771 2007 11 07.16444 23 21 49.73 +00 53 25.9 23.7 06QP180 705 Cy0771 2007 11 09.20262 23 21 42.35 +00 52 01.8 22.4 06QP180 705 Cy0771 2007 11 09.20511 23 21 42.34 +00 52 01.9 23.7 06QP180 705 Cy0771 2007 11 11.19820 23 21 35.92 +00 50 44.2 22.5 06QP180 705 Cy0771 2007 11 11.20152 23 21 35.93 +00 50 44.0 23.8 06QP180 705 Cy0771 2007 11 12.20034 23 21 33.01 +00 50 07.0 22.5 06QP180 705 Cy0771 2007 11 12.20366 23 21 33.01 +00 50 06.8 23.6 06QP180 705 Cy0771
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 -0.17 0.00 0.26 2 0.0001 -5.36 0.45 0.58 0.51 3 0.0683 -4439.99 0.02 83.24 -0.46 4 0.0710 -4613.89 -0.30 81.28 -0.29 5 4.1011 127369.02 -0.06 2411.42 0.14 6 4.1011 127368.83 -0.07 2411.48 0.20 7 4.1394 124218.31 -0.11 2261.44 -0.13 8 4.1394 124217.40 -0.26 2261.35 -0.18 9 4.1586 122659.05 0.07 2157.86 -0.02 10 4.1586 122658.14 -0.09 2157.77 -0.07 11 4.1639 122228.96 0.07 2125.48 -0.07 12 4.1640 122228.44 0.28 2125.27 -0.23 13 4.1887 120328.50 0.07 1961.47 0.06 14 4.1888 120327.33 -0.43 1961.22 -0.13 15 4.1940 119946.69 0.07 1923.51 -0.01 16 4.1940 119946.17 0.22 1923.30 -0.16 17 4.1997 119546.25 -0.03 1881.90 -0.14 18 4.1997 119546.30 0.18 1882.01 -0.01 19 4.2241 117950.36 0.16 1691.80 0.10 20 4.2241 117950.18 0.11 1691.86 0.17 21 4.2297 117618.64 0.06 1646.15 0.06 22 4.2297 117618.37 -0.09 1646.00 -0.08 23 4.2460 116740.77 -0.14 1510.53 0.13 24 4.2460 116740.77 -0.02 1510.53 0.15 25 4.9721 170553.48 0.07 2919.29 0.38 26 4.9722 170550.30 -0.11 2919.65 -0.15 27 5.2264 151884.72 0.11 2301.29 0.26 28 5.2264 151883.59 -0.33 2300.96 0.00 29 5.2319 151478.79 0.36 2253.51 0.18 30 5.2319 151477.93 0.01 2253.23 -0.04 31 5.2455 150529.00 0.02 2132.48 0.09 32 5.2455 150528.62 0.26 2132.19 -0.12 33 5.2864 148278.61 -0.08 1759.43 -0.05 34 5.2864 148278.77 0.19 1759.25 -0.21 35 5.2945 147950.71 0.05 1685.07 -0.15 36 5.2945 147949.81 -0.50 1685.21 0.06 37 5.3001 147748.66 -0.08 1634.18 -0.10 38 5.3001 147748.50 0.00 1634.36 0.13 39 5.3055 147571.30 -0.21 1584.76 0.06 40 5.3056 147571.41 0.19 1584.47 -0.16 41 5.3083 147490.00 -0.06 1560.00 0.07 42 5.3083 147489.89 0.11 1559.77 -0.08
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.
06QP180 quality flag:3 Type: CENTAURR CENTAURR CENTAURR axisobj 38.229 38.237 38.222 ecceobj 0.655 0.655 0.655 incobj 4.955 4.955 4.955 qmin 13.010 13.011 13.010 qmax 63.787 64.638 64.149 amean 37.814 38.220 37.559 amin 37.089 37.689 35.003 amax 38.599 38.933 38.774 emean 0.648 0.653 0.645 emin 0.637 0.646 0.618 emax 0.659 0.660 0.659 imean 7.056 6.750 7.335 imin 6.092 6.092 6.092 imax 7.595 7.356 8.475 fracstop 0.004 0.003 0.007 cjmean 2.492 2.483 2.496 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 65.5 60.4 65.1 kozaiamp 13.6 8.0 15.1