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: 00PF30
# Created Fri Apr 26 01:10:11 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 27 observations of 27
# Arc: 6.74y
# First observation: 1999/07/19
# Last observation: 2006/04/16
# Chi-squared of fit: 233.06 DOF: 48 RMS: 0.52
# Min/Max residuals: -1.24 1.39
# Exact a, adot, b, bdot, g, gdot:
1.757738E-05 3.044307E-02 6.176183E-06 3.325251E-03 2.573056E-02 5.714394E-03
# Covariance matrix:
2.9900E-13 -2.1603E-13 1.2647E-14 -1.6431E-14 7.6079E-14 -7.6293E-13
-2.1603E-13 2.6701E-13 -1.8768E-14 2.5126E-14 4.1704E-14 1.1222E-12
1.2647E-14 -1.8768E-14 1.2086E-13 -2.8927E-14 -6.8768E-15 -8.5775E-14
-1.6431E-14 2.5126E-14 -2.8927E-14 1.6334E-14 1.0600E-14 1.1580E-13
7.6079E-14 4.1704E-14 -6.8768E-15 1.0600E-14 3.0543E-13 3.9240E-13
-7.6293E-13 1.1222E-12 -8.5775E-14 1.1580E-13 3.9240E-13 5.1156E-12
# lat0 lon0 xBary yBary zBary JD0
0.979438 -57.475676 0.116736 0.016979 -1.007250 2451378.940753
# Heliocentric elements and errors
Epoch: 2451378.5000 = 1999/07/19
Mean Anomaly: 9.04694 +/- 0.004
Argument of Peri: 337.84553 +/- 0.010
Long of Asc Node: 293.69830 +/- 0.000
Inclination: 6.31025 +/- 0.000
Eccentricity: 0.50536440 +/- 0.0001
Semi-Major Axis: 76.77883034 +/- 0.0178
Time of Perihelion: 2445203.1729 +/- 3.4
Perihelion: 37.97754271 +/- 0.0124
Aphelion: 115.58011797 +/- 0.0282
Period (y) 672.7759 +/- 0.23
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 21.34428997 +/- 0.0004
Ecliptic Y -33.67449020 +/- 0.0007
Ecliptic Z 0.66459233 +/- 0.0000
Ecliptic XDOT 0.00305143 +/- 0.0000
Ecliptic YDOT 0.00124264 +/- 0.0000
Ecliptic ZDOT 0.00036421 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 39.87456784 +/- 0.0006
Geocenter to KBO 38.86419233 +/- 0.0008
# Hcoef: 7.87
The following table shows the complete astrometric record for 00PF30. 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 (00PF30) followed by the observatory code and reference code for the source of the astrometry.
1999 07 19.44001 20 18 15.69 -18 38 32.3 23.5R 00PF30 568 Ca7328 1999 07 19.46845 20 18 15.55 -18 38 32.8 00PF30 568 Ca7328 1999 07 19.49553 20 18 15.42 -18 38 33.1 00PF30 568 Ca7328 1999 08 11.20081 20 16 23.07 -18 43 59.1 24.0R 00PF30 675 Ca7328 1999 08 11.23555 20 16 22.93 -18 43 59.9 00PF30 675 Ca7328 1999 08 11.26577 20 16 22.75 -18 43 59.7 00PF30 675 Ca7328 2000 08 05.31385 20 23 44.28 -18 07 55.7 00PF30 568 Cb8005 2000 08 05.35779 20 23 44.07 -18 07 56.3 00PF30 568 Cb8005 2000 08 05.40615 20 23 43.82 -18 07 57.5 00PF30 568 Cb8005 2000 08 06.30446 20 23 39.37 -18 08 09.4 00PF30 568 Cb8005 2000 08 06.35054 20 23 39.15 -18 08 10.2 23.4R 00PF30 568 Cb8005 2000 08 06.39178 20 23 38.95 -18 08 10.6 00PF30 568 Cb8005 2000 09 23.23564 20 20 39.88 -18 17 38.5 23.5R 00PF30 568 Cb9232 2000 09 23.29210 20 20 39.76 -18 17 38.9 23.5R 00PF30 568 Cb9232 2000 09 23.34027 20 20 39.66 -18 17 39.3 23.6R 00PF30 568 Cb9232 2000 09 24.22994 20 20 37.88 -18 17 45.1 23.4R 00PF30 568 Cc0967 2000 09 24.27922 20 20 37.79 -18 17 45.5 23.7R 00PF30 568 Cc0967 2000 09 24.33542 20 20 37.65 -18 17 46.4 23.1R 00PF30 568 Cc0967 2001 04 27.38668 20 35 22.05 -17 20 10.9 23.4R 00PF30 809 Cd0820 2001 04 28.39914 20 35 23.10 -17 20 03.3 00PF30 809 Cd0820 2001 07 26.34422 20 31 22.76 -17 29 53.6 24.2R 00PF30 568 Cd3309 2001 07 26.40397 20 31 22.46 -17 29 54.6 24.3R 00PF30 568 Cd3309 2001 07 26.46292 20 31 22.16 -17 29 55.5 23.7R 00PF30 568 Cd3309 2006 04 16.24753 21 06 03.98 -14 23 56.6 23.2R 00PF30 250 S~06AN 2006 04 16.25872 21 06 04.01 -14 23 56.4 00PF30 250 S~06AN 2006 04 16.26312 21 06 04.02 -14 23 56.3 00PF30 250 S~06AN 2006 04 16.26752 21 06 04.03 -14 23 56.3 00PF30 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 0.44 0.00 -0.78
2 0.0001 0.00 0.51 0.00 -0.87
3 0.0002 0.00 0.62 0.00 -0.79
4 0.0623 0.00 -0.21 0.00 0.23
5 0.0624 0.00 0.21 0.00 -0.08
6 0.0625 0.00 -0.29 0.00 0.54
7 1.0483 0.00 0.06 0.00 0.01
8 1.0484 0.00 0.18 0.00 0.08
9 1.0485 0.00 0.04 0.00 -0.39
10 1.0510 0.00 -1.24 0.00 1.26
11 1.0511 0.00 -1.12 0.00 1.17
12 1.0512 0.00 -1.06 0.00 1.39
13 1.1822 0.00 0.10 0.00 -0.16
14 1.1823 0.00 0.13 0.00 -0.18
15 1.1825 0.00 0.18 0.00 -0.27
16 1.1849 0.00 0.26 0.00 -0.27
17 1.1850 0.00 0.44 0.00 -0.36
18 1.1852 0.00 0.07 0.00 -0.90
19 1.7740 0.00 -0.06 0.00 0.08
20 1.7768 0.00 -0.05 0.00 -0.10
21 2.0203 0.00 0.28 0.00 0.28
22 2.0204 0.00 0.26 0.00 0.23
23 2.0206 0.00 0.19 0.00 0.26
24 6.7428 0.00 0.12 0.00 -0.11
25 6.7428 0.00 0.10 0.00 -0.10
26 6.7428 0.00 0.07 0.00 -0.07
27 6.7429 0.00 0.04 0.00 -0.15
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.
00PF30 quality flag:3 Type: SCATNEAR SCATNEAR SCATNEAR axisobj 76.487 76.488 76.487 ecceobj 0.504 0.504 0.504 incobj 6.315 6.315 6.315 qmin 37.017 37.010 36.949 qmax 119.759 119.537 120.504 amean 76.918 76.913 77.090 amin 75.556 75.711 75.670 amax 78.811 78.733 79.087 emean 0.507 0.507 0.508 emin 0.495 0.496 0.495 emax 0.520 0.519 0.524 imean 7.632 7.616 7.626 imin 7.182 7.200 7.179 imax 8.153 8.152 8.164 excite_mean 0.524 0.524 0.525 fracstop 1.000 1.000 1.000 cjmean 3.123 3.122 3.121 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 161.7 162.9 161.7 kozaiamp 180.0 180.0 180.0