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: 99CS153
# Created Wed Nov 27 02:07:57 2024
# Orbit generated from Bernstein formalism
# Fitting 10 observations of 10
# Arc: 1.15y
# First observation: 1999/02/11
# Last observation: 2000/04/07
Preliminary a, adot, b, bdot, g, gdot:
-0.000001 0.022647 -0.000001 -0.000302 0.023533 0.000000
# Chi-squared of fit: 14.89 DOF: 14 RMS: 0.22
# Min/Max residuals: -0.43 0.34
# Exact a, adot, b, bdot, g, gdot:
1.450767E-05 2.289781E-02 -1.064940E-06 -3.074595E-04 2.372249E-02 4.085490E-04
# Covariance matrix:
4.9741E-13 6.9916E-12 1.0764E-14 -2.5394E-13 3.2990E-12 5.1980E-10
6.9916E-12 7.5099E-09 1.0573E-11 -2.8629E-10 2.4466E-09 5.7438E-07
1.0764E-14 1.0573E-11 3.2919E-13 -6.8490E-13 3.4474E-12 8.0859E-10
-2.5394E-13 -2.8629E-10 -6.8490E-13 1.1400E-11 -9.3149E-11 -2.1903E-08
3.2990E-12 2.4466E-09 3.4474E-12 -9.3149E-11 8.0199E-10 1.8694E-07
5.1980E-10 5.7438E-07 8.0859E-10 -2.1903E-08 1.8694E-07 4.3941E-05
# lat0 lon0 xBary yBary zBary JD0
0.622976 124.642836 -0.303077 0.010068 -0.946060 2451220.788843
# Heliocentric elements and errors
Epoch: 2451220.5000 = 1999/02/11
Mean Anomaly: 60.35912 +/- 205.026
Argument of Peri: 78.30167 +/- 236.830
Long of Asc Node: 343.15999 +/- 0.122
Inclination: 0.98689 +/- 0.003
Eccentricity: 0.03163238 +/- 0.2633
Semi-Major Axis: 43.74705330 +/- 0.6806
Time of Perihelion: 2433500.5683 +/- 60189.0
Perihelion: 42.36322969 +/- 11.5368
Aphelion: 45.13087691 +/- 11.5394
Period (y) 289.3553 +/- 6.75
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -24.74084604 +/- 0.0286
Ecliptic Y 35.28443530 +/- 0.0414
Ecliptic Z 0.45828369 +/- 0.0005
Ecliptic XDOT -0.00220287 +/- 0.0004
Ecliptic YDOT -0.00145413 +/- 0.0006
Ecliptic ZDOT -0.00003497 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 43.09652957 +/- 0.0377
Geocenter to KBO 42.15409664 +/- 0.0503
# Hcoef: 8.14
The following table shows the complete astrometric record for 99CS153. 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 (99CS153) followed by the observatory code and reference code for the source of the astrometry.
1999 02 11.28810 08 28 34.04 +19 42 25.6 24.1R 99CS153 568 Ca4208 1999 02 11.33007 08 28 33.82 +19 42 26.2 24.1R 99CS153 568 Ca4208 1999 02 11.37024 08 28 33.63 +19 42 27.1 24.1R 99CS153 568 Ca4208 1999 03 16.23331 08 26 25.01 +19 49 30.0 24.1R 99CS153 568 Ca4208 1999 03 16.25785 08 26 24.94 +19 49 30.3 24.1R 99CS153 568 Ca4208 2000 04 04.30095 08 31 04.29 +19 31 49.6 24.2R 99CS153 568 Cb1943 2000 04 04.37934 08 31 04.22 +19 31 50.1 24.4R 99CS153 568 Cb1943 2000 04 05.32789 08 31 03.08 +19 31 53.2 24.3R 99CS153 568 Cb1943 2000 04 06.38676 08 31 01.93 +19 31 55.4 24.3R 99CS153 568 Cb1943 2000 04 07.27167 08 31 01.09 +19 31 57.8 24.3R 99CS153 568 Cb1943
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 0.16 0.00 0.18
2 0.0001 -3.16 -0.07 -0.16 0.03
3 0.0002 -5.98 -0.09 0.07 0.29
4 0.0902 -1870.12 0.00 -22.54 -0.32
5 0.0903 -1871.15 0.01 -22.49 -0.23
6 1.1445 2213.80 -0.04 -103.42 -0.01
7 1.1447 2212.72 0.32 -103.18 0.34
8 1.1473 2196.34 -0.20 -104.10 0.33
9 1.1502 2180.03 -0.16 -105.93 -0.43
10 1.1526 2167.93 0.08 -106.49 -0.18
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.
99CS153 quality flag:0 Type: ERR2LARGE ERR2LARGE ERR2LARGE axisobj 0.000 0.000 0.000 ecceobj -1.000 -1.000 -1.000 incobj -1.000 -1.000 -1.000 qmin 0.000 0.000 0.000 qmax 0.000 0.000 0.000 amean 0.000 0.000 0.000 amin 0.000 0.000 0.000 amax 0.000 0.000 0.000 emean 0.000 0.000 0.000 emin 0.000 0.000 0.000 emax 0.000 0.000 0.000 imean 0.000 0.000 0.000 imin 0.000 0.000 0.000 imax 0.000 0.000 0.000 excite_mean 0.000 0.000 0.000 fracstop 0.000 0.000 0.000 cjmean 0.000 0.000 0.000 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 0.0 0.0 0.0 kozaiamp 0.0 0.0 0.0