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: 99JF132 # Created Wed Nov 27 02:07:59 2024 # Orbit generated from Bernstein formalism # Fitting 37 observations of 37 # Arc: 9.06d # First observation: 1999/05/10 # Last observation: 1999/05/19 Preliminary a, adot, b, bdot, g, gdot: -0.000001 0.030000 0.000000 -0.000720 0.024387 0.000000 # WARNING Fitting with energy constraint # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 9.79 DOF: 69 RMS: 0.09 # Min/Max residuals: -0.24 0.20 # Exact a, adot, b, bdot, g, gdot: 1.503744E-05 2.326126E-02 -1.931623E-07 -7.164838E-04 2.325578E-02 2.257101E-03 # Covariance matrix: 1.3035E-11 1.8334E-08 4.1836E-15 -1.0899E-11 3.1288E-09 -4.2271E-08 1.8334E-08 2.5998E-05 5.9190E-12 -1.5420E-08 4.4347E-06 -6.1847E-05 4.1836E-15 5.9190E-12 9.5166E-14 -4.2177E-12 1.0109E-12 -1.1300E-11 -1.0899E-11 -1.5420E-08 -4.2177E-12 3.2980E-10 -2.6337E-09 2.9204E-08 3.1288E-09 4.4347E-06 1.0109E-12 -2.6337E-09 7.5655E-07 -1.0341E-05 -4.2271E-08 -6.1847E-05 -1.1300E-11 2.9204E-08 -1.0341E-05 5.9771E-04 # lat0 lon0 xBary yBary zBary JD0 -0.095349 -147.579803 -0.286323 -0.001833 -0.974459 2451308.685963 # Heliocentric elements and errors Epoch: 2451300.5000 = 1999/05/02 Mean Anomaly: 34.80860 +/- 232.177 Argument of Peri: 136.11482 +/- 353.019 Long of Asc Node: 29.78364 +/- 0.650 Inclination: 1.77264 +/- 0.391 Eccentricity: 0.15625798 +/- 0.7464 Semi-Major Axis: 49.88028696 +/- 16.5103 Time of Perihelion: 2438858.9084 +/- 82756.4 Perihelion: 42.08609389 +/- 39.7496 Aphelion: 57.67448003 +/- 41.8379 Period (y) 352.2911 +/- 174.91 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -36.95861445 +/- 1.3577 Ecliptic Y -23.81717170 +/- 0.8621 Ecliptic Z -0.07157674 +/- 0.0027 Ecliptic XDOT 0.00124131 +/- 0.0026 Ecliptic YDOT -0.00244537 +/- 0.0014 Ecliptic ZDOT -0.00008477 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 43.96819274 +/- 1.2331 Geocenter to KBO 43.00006337 +/- 1.6083 # Hcoef: 7.96
The following table shows the complete astrometric record for 99JF132. 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 (99JF132) followed by the observatory code and reference code for the source of the astrometry.
1999 05 10.18522 14 00 47.05 -12 24 10.4 24.5R 99JF132 807 Ca5620 1999 05 10.19209 14 00 47.02 -12 24 10.1 24.3R 99JF132 807 Ca5620 1999 05 10.20584 14 00 46.94 -12 24 10.0 24.1R 99JF132 807 Ca5620 1999 05 10.21271 14 00 46.92 -12 24 09.6 24.1R 99JF132 807 Ca5620 1999 05 10.21958 14 00 46.89 -12 24 09.5 24.1R 99JF132 807 Ca5620 1999 05 10.23333 14 00 46.84 -12 24 09.1 23.9R 99JF132 807 Ca5620 1999 05 10.24021 14 00 46.81 -12 24 09.1 23.9R 99JF132 807 Ca5620 1999 05 10.25395 14 00 46.74 -12 24 08.6 23.9R 99JF132 807 Ca5620 1999 05 10.26082 14 00 46.72 -12 24 08.5 23.6R 99JF132 807 Ca5620 1999 05 10.27456 14 00 46.66 -12 24 08.3 23.7R 99JF132 807 Ca5620 1999 05 11.23300 14 00 42.65 -12 23 47.2 24.4R 99JF132 807 Ca5620 1999 05 11.24674 14 00 42.59 -12 23 46.8 24.4R 99JF132 807 Ca5620 1999 05 11.25362 14 00 42.55 -12 23 46.8 24.2R 99JF132 807 Ca5620 1999 05 11.26048 14 00 42.52 -12 23 46.5 23.9R 99JF132 807 Ca5620 1999 05 11.26735 14 00 42.49 -12 23 46.4 23.9R 99JF132 807 Ca5620 1999 05 11.27422 14 00 42.47 -12 23 46.2 24.2R 99JF132 807 Ca5620 1999 05 18.17305 14 00 14.39 -12 21 17.9 24.3R 99JF132 807 Ca5620 1999 05 18.18765 14 00 14.34 -12 21 17.8 24.2R 99JF132 807 Ca5620 1999 05 18.21515 14 00 14.23 -12 21 17.2 24.1R 99JF132 807 Ca5620 1999 05 18.22202 14 00 14.20 -12 21 17.2 24.2R 99JF132 807 Ca5620 1999 05 18.22889 14 00 14.18 -12 21 17.0 23.9R 99JF132 807 Ca5620 1999 05 18.24293 14 00 14.13 -12 21 16.6 24.0R 99JF132 807 Ca5620 1999 05 18.24980 14 00 14.08 -12 21 16.3 24.1R 99JF132 807 Ca5620 1999 05 18.25677 14 00 14.07 -12 21 16.3 24.1R 99JF132 807 Ca5620 1999 05 18.27050 14 00 14.01 -12 21 16.1 24.2R 99JF132 807 Ca5620 1999 05 19.12854 14 00 10.64 -12 20 58.4 23.9R 99JF132 807 Ca5620 1999 05 19.13541 14 00 10.62 -12 20 58.1 23.8R 99JF132 807 Ca5620 1999 05 19.14229 14 00 10.60 -12 20 58.0 24.1R 99JF132 807 Ca5620 1999 05 19.14915 14 00 10.57 -12 20 57.9 24.0R 99JF132 807 Ca5620 1999 05 19.15607 14 00 10.55 -12 20 57.7 24.0R 99JF132 807 Ca5620 1999 05 19.16294 14 00 10.51 -12 20 57.6 24.4R 99JF132 807 Ca5620 1999 05 19.16982 14 00 10.49 -12 20 57.5 24.1R 99JF132 807 Ca5620 1999 05 19.17669 14 00 10.47 -12 20 57.4 23.8R 99JF132 807 Ca5620 1999 05 19.18356 14 00 10.43 -12 20 57.2 23.8R 99JF132 807 Ca5620 1999 05 19.19043 14 00 10.40 -12 20 57.0 23.9R 99JF132 807 Ca5620 1999 05 19.19730 14 00 10.37 -12 20 56.8 23.8R 99JF132 807 Ca5620 1999 05 19.24817 14 00 10.17 -12 20 55.9 23.9R 99JF132 807 Ca5620
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 -0.06
2 0.0000 -0.52 0.10 0.13 0.07
3 0.0001 -1.65 -0.12 -0.18 -0.23
4 0.0001 -2.06 -0.07 0.10 0.05
5 0.0001 -2.51 -0.06 0.04 0.00
6 0.0001 -3.34 0.02 0.16 0.13
7 0.0002 -3.75 0.07 0.01 -0.01
8 0.0002 -4.88 -0.15 0.13 0.11
9 0.0002 -5.19 -0.01 0.12 0.11
10 0.0002 -6.09 0.01 0.01 -0.00
11 0.0029 -68.51 0.13 -0.38 -0.04
12 0.0029 -69.47 0.07 -0.30 0.04
13 0.0029 -70.02 -0.02 -0.51 -0.16
14 0.0029 -70.54 -0.09 -0.38 -0.02
15 0.0030 -70.98 -0.08 -0.43 -0.08
16 0.0030 -71.33 0.03 -0.35 0.01
17 0.0219 -508.65 -0.21 -2.66 0.15
18 0.0219 -509.37 -0.02 -2.82 -0.00
19 0.0220 -511.09 -0.02 -2.81 0.02
20 0.0220 -511.50 -0.01 -2.96 -0.12
21 0.0220 -511.85 0.08 -2.87 -0.03
22 0.0221 -512.67 0.12 -2.75 0.10
23 0.0221 -513.46 -0.24 -2.72 0.13
24 0.0221 -513.60 0.06 -2.77 0.08
25 0.0221 -514.49 0.02 -2.89 -0.03
26 0.0245 -566.95 -0.10 -3.27 -0.15
27 0.0245 -567.33 -0.05 -3.09 0.04
28 0.0245 -567.64 0.06 -3.10 0.04
29 0.0245 -568.09 0.04 -3.15 -0.02
30 0.0246 -568.43 0.13 -3.07 0.07
31 0.0246 -569.01 -0.03 -3.17 -0.03
32 0.0246 -569.32 0.08 -3.18 -0.03
33 0.0246 -569.63 0.20 -3.19 -0.03
34 0.0246 -570.25 0.01 -3.20 -0.04
35 0.0247 -570.73 -0.05 -3.17 -0.00
36 0.0247 -571.22 -0.11 -3.13 0.04
37 0.0248 -574.28 -0.03 -3.29 -0.10
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.
99JF132 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