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: 00PW29
# Created Wed Apr 24 01:10:08 2024
# Orbit generated from Bernstein formalism
# Fitting 14 observations of 14
# Arc: 2.17y
# First observation: 1999/07/19
# Last observation: 2001/09/20
Preliminary a, adot, b, bdot, g, gdot:
0.000048 0.022930 -0.000003 -0.000642 0.024008 0.000000
# Chi-squared of fit: 5.72 DOF: 22 RMS: 0.11
# Min/Max residuals: -0.25 0.32
# Exact a, adot, b, bdot, g, gdot:
1.503781E-05 2.296502E-02 -1.065553E-06 -6.467499E-04 2.374836E-02 1.346470E-03
# Covariance matrix:
4.8777E-13 -8.8619E-13 -5.4651E-15 1.9888E-14 -6.4084E-13 -1.3966E-11
-8.8619E-13 3.8497E-12 2.8183E-14 -1.0326E-13 3.9874E-12 7.2927E-11
-5.4651E-15 2.8183E-14 3.5554E-13 -2.1104E-13 2.7379E-14 5.7843E-13
1.9888E-14 -1.0326E-13 -2.1104E-13 1.7985E-13 -1.0188E-13 -2.1101E-12
-6.4084E-13 3.9874E-12 2.7379E-14 -1.0188E-13 5.4042E-12 7.2874E-11
-1.3966E-11 7.2927E-11 5.7843E-13 -2.1101E-12 7.2874E-11 1.4849E-09
# lat0 lon0 xBary yBary zBary JD0
0.727356 -55.635474 0.149381 0.012492 -1.002998 2451378.919813
# Heliocentric elements and errors
Epoch: 2451370.5000 = 1999/07/11
Mean Anomaly: 59.71321 +/- 0.569
Argument of Peri: 90.40158 +/- 0.758
Long of Asc Node: 148.04397 +/- 0.013
Inclination: 1.75513 +/- 0.001
Eccentricity: 0.05830471 +/- 0.0015
Semi-Major Axis: 44.29885371 +/- 0.0095
Time of Perihelion: 2433507.4731 +/- 170.1
Perihelion: 41.71602205 +/- 0.0684
Aphelion: 46.88168536 +/- 0.0686
Period (y) 294.8472 +/- 0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 24.21758393 +/- 0.0023
Ecliptic Y -35.66644920 +/- 0.0034
Ecliptic Z 0.53451710 +/- 0.0001
Ecliptic XDOT 0.00227016 +/- 0.0000
Ecliptic YDOT 0.00137403 +/- 0.0000
Ecliptic ZDOT -0.00007254 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 43.11464575 +/- 0.0031
Geocenter to KBO 42.10817165 +/- 0.0041
# Hcoef: 8.19
The following table shows the complete astrometric record for 00PW29. 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 (00PW29) followed by the observatory code and reference code for the source of the astrometry.
1999 07 19.41907 20 26 03.63 -18 27 43.5 24.3R 00PW29 568 Cd3308 1999 07 19.44678 20 26 03.49 -18 27 44.1 00PW29 568 Cd3308 1999 07 19.47521 20 26 03.36 -18 27 44.5 00PW29 568 Cd3308 2000 08 05.32778 20 30 04.78 -18 16 01.1 25.0R 00PW29 568 Cb8005 2000 08 05.37175 20 30 04.59 -18 16 01.6 00PW29 568 Cb8005 2000 08 05.41993 20 30 04.37 -18 16 02.4 24.7R 00PW29 568 Cb8005 2000 08 06.31837 20 30 00.13 -18 16 18.0 00PW29 568 Cb8005 2000 08 06.36419 20 29 59.91 -18 16 18.8 00PW29 568 Cb8005 2000 08 06.40555 20 29 59.72 -18 16 19.3 24.5R 00PW29 568 Cb8005 2001 07 25.35182 20 36 20.62 -17 55 31.2 00PW29 568 Cd3308 2001 07 25.40974 20 36 20.34 -17 55 32.2 23.4R 00PW29 568 Cd3308 2001 07 25.46294 20 36 20.08 -17 55 33.2 23.2R 00PW29 568 Cd3308 2001 09 20.17230 20 32 30.38 -18 10 15.6 00PW29 675 Ce0222 2001 09 20.21909 20 32 30.25 -18 10 16.0 24.0R 00PW29 675 Ce0222
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 0.05 0.00 0.13
2 0.0001 -2.08 -0.08 -0.11 0.02
3 0.0002 -3.97 0.03 -0.06 0.07
4 1.0483 3501.68 -0.18 -139.90 -0.25
5 1.0485 3498.94 0.16 -139.73 -0.06
6 1.0486 3495.70 0.32 -139.75 -0.06
7 1.0511 3433.31 -0.14 -140.27 -0.09
8 1.0512 3430.07 -0.17 -140.29 -0.08
9 1.0513 3427.33 -0.01 -140.12 0.10
10 2.0176 9003.64 0.03 -267.35 0.04
11 2.0178 8999.51 0.02 -267.32 0.08
12 2.0179 8995.66 -0.05 -267.35 0.04
13 2.1732 5598.89 0.04 -310.41 -0.02
14 2.1733 5597.00 -0.03 -310.34 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.
00PW29 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.217 44.245 44.189 ecceobj 0.057 0.058 0.057 incobj 1.755 1.755 1.755 qmin 40.997 41.049 41.034 qmax 47.657 47.768 47.647 amean 44.243 44.271 44.214 amin 43.897 43.924 43.875 amax 44.605 44.637 44.581 emean 0.054 0.055 0.053 emin 0.038 0.039 0.037 emax 0.069 0.070 0.069 imean 1.776 1.772 1.779 imin 1.160 1.160 1.160 imax 2.354 2.345 2.363 excite_mean 0.063 0.064 0.062 fracstop 1.000 1.000 1.000 cjmean 3.100 3.100 3.100 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 162.0 162.6 161.4 kozaiamp 180.0 180.0 179.9