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: 15788
# Created Fri May 2 02:36:14 2008
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 45 observations of 50
# Arc: 6.15y
# First observation: 1993/09/16
# Last observation: 1999/11/10
# Chi-squared of fit: 594.88 DOF: 84 RMS: 0.64
# Min/Max residuals: -1.66 1.98
# Exact a, adot, b, bdot, g, gdot:
2.110545E-05 3.603486E-02 4.485089E-06 1.216842E-03 3.154471E-02 -1.026538E-02
# Covariance matrix:
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
# lat0 lon0 xBary yBary zBary JD0
0.122263 -1.525818 0.069464 0.002172 -1.003740 2449247.471497
# Heliocentric elements and errors
Epoch: 2449245.5000 = 1993/09/15
Mean Anomaly: 316.98899 +/- 0.000
Argument of Peri: 79.39606 +/- 0.000
Long of Asc Node: 354.83241 +/- 0.000
Inclination: 1.93932 +/- 0.000
Eccentricity: 0.31821238 +/- 0.0000
Semi-Major Axis: 39.21225190 +/- 0.0000
Time of Perihelion: 2459960.8966 +/- 0.0
Perihelion: 26.73442796 +/- 0.0000
Aphelion: 51.69007584 +/- 0.0000
Period (y) 245.5505 +/- 0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 32.68970106 +/- 0.0000
Ecliptic Y -0.94536367 +/- 0.0000
Ecliptic Z 0.06781637 +/- 0.0000
Ecliptic XDOT -0.00080387 +/- 0.0000
Ecliptic YDOT 0.00314537 +/- 0.0000
Ecliptic ZDOT 0.00010362 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 32.70360126 +/- 0.0000
Geocenter to KBO 31.70122718 +/- 0.0000
# Hcoef: 7.68
The following table shows the complete astrometric record for 15788. 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 (15788) followed by the observatory code and reference code for the source of the astrometry.
1993 09 16.9708 23 54 12.34 -00 29 40.9 15788 950 C22661 1993 09 17.1034 23 54 11.49 -00 29 45.4 15788 950 C22661 1993 09 18.0133 23 54 06.47 -00 30 16.7 15788 950 C22661 1993 09 18.1502 23 54 05.77 -00 30 22.3 15788 950 C22661 1993 09 18.9420 23 54 01.31 -00 30 48.1 15788 950 C22662 1993 09 19.9982 23 53 55.46 -00 31 28.1 15788 950 C22662 1993 09 20.9737 23 53 49.99 -00 32 02.3 22.7R 15788 950 C22662 1993 09 22.9511 23 53 38.91 -00 33 12.8 15788 950 C22662 1994 08 15.21803 00 04 29.62 +00 41 20.7 15788 950 C24082 1994 08 16.20557 00 04 25.52 +00 40 55.1 15788 950 C24082 1994 09 10.3866 00 02 22.47 +00 27 55.7 22. R 15788 568 A24037 1994 09 10.4648 00 02 22.02 +00 27 52.4 15788 568 A24037 1994 09 10.5128 00 02 21.76 +00 27 51.1 15788 568 A24037 1994 09 10.5601 00 02 21.49 +00 27 49.4 15788 568 A24037 1994 09 29.4085 00 00 35.99 +00 16 38.4 15788 568 A24037 1994 09 29.4445 00 00 35.79 +00 16 37.2 15788 568 A24037 1994 11 07.9130 23 57 25.83 -00 03 34.1 15788 950 C24367 1994 11 07.9643 23 57 25.65 -00 03 35.7 23.0R 15788 950 C24367 1994 11 08.0046 23 57 25.52 -00 03 36.4 15788 950 C24367 1995 09 01.53975 00 10 52.20 +01 27 40.9 15788 568 C26491 1995 10 23.4060 00 06 09.72 +00 57 44.4 15788 568 C26263 1995 10 23.4391 00 06 09.57 +00 57 43.4 15788 568 C26263 1996 09 05.24869 00 18 21.24 +02 20 59.7 22.8R 15788 675 C27800 1996 09 05.28253 00 18 21.05 +02 20 58.5 15788 675 C27800 1996 09 05.31763 00 18 20.82 +02 20 57.2 15788 675 C27800 1996 09 06.05439 00 18 17.04 +02 20 33.7 15788 950 C28270 1996 09 06.19277 00 18 16.32 +02 20 28.9 15788 950 C28270 1996 09 08.09752 00 18 06.13 +02 19 25.4 15788 950 C28270 1996 09 08.20000 00 18 05.61 +02 19 22.6 15788 950 C28270 1996 09 10.36683 00 17 54.01 +02 18 09.4 15788 711 C27868 1996 09 10.41750 00 17 53.72 +02 18 06.9 15788 711 C27868 1996 09 10.44392 00 17 53.47 +02 18 06.0 15788 711 C27868 1996 09 12.3958 00 17 42.89 +02 17 01.5 15788 568 C27786 1996 09 12.4246 00 17 42.72 +02 16 56.2 15788 568 C27786 1996 09 15.99801 00 17 22.82 +02 14 52.4 15788 950 C28050 1996 09 16.03076 00 17 22.61 +02 14 51.5 15788 950 C28050 1996 09 16.06340 00 17 22.42 +02 14 50.1 15788 950 C28050 1997 10 24.97036 00 21 48.27 +02 48 43.8 15788 950 Ca0097 1997 10 25.00628 00 21 48.07 +02 48 42.4 15788 950 Ca0097 1997 10 25.07452 00 21 47.75 +02 48 40.2 15788 950 Ca0097 1998 10 18.83843 00 30 33.80 +03 49 59.3 22.0R 15788 950 Ca2529 1998 10 18.86559 00 30 33.65 +03 49 58.3 15788 950 Ca2529 1999 11 10.10852 00 37 04.40 +04 36 41.6 15788 696 Ca7249 1999 11 10.15524 00 37 04.19 +04 36 40.1 15788 696 Ca7249 1999 11 10.20167 00 37 04.00 +04 36 39.2 23.1 15788 696 Ca7249 1999 11 11.09028 00 37 00.10 +04 36 14.4 22.9 15788 696 Ca7249 1999 11 11.13535 00 36 59.88 +04 36 13.2 15788 696 Ca7249 2000 10 19.98079 00 47 23.37 +05 47 04.9 22.6R 15788 493 Cc6158 2000 10 20.02759 00 47 23.10 +05 47 03.1 22.5R 15788 493 Cc6158 2000 10 20.10255 00 47 22.66 +05 47 00.6 22. V 15788 493 Cc6158
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 -0.24 0.00 -1.50 2 0.0004 0.00 -1.66 0.00 -0.75 3 0.0029 0.00 -0.88 0.00 0.28 4 0.0032 0.00 0.30 0.00 -0.45 5 0.0054 0.00 -0.50 0.00 1.92 6 0.0083 0.00 0.46 0.00 -0.46 7 0.0110 0.00 0.28 0.00 0.10 8 0.0164 0.00 0.04 0.00 0.05 9 0.9096 0.00 0.28 0.00 1.04 10 0.9123 0.00 -0.41 0.00 0.82 11 0.9813 0.00 ( 2.48) 0.00 ( -0.41) 12 0.9815 0.00 ( 2.26) 0.00 ( -1.00) 13 0.9816 0.00 ( 2.37) 0.00 ( -0.64) 14 0.9818 0.00 ( 2.27) 0.00 ( -0.70) 15 1.0334 0.00 1.89 0.00 -0.38 16 1.0335 0.00 1.98 0.00 -0.29 17 1.1415 0.00 -0.47 0.00 0.22 18 1.1417 0.00 -0.40 0.00 -0.23 19 1.1418 0.00 -0.18 0.00 -0.04 20 1.9564 0.00 0.89 0.00 0.37 21 2.0984 0.00 0.92 0.00 0.33 22 2.0985 0.00 1.14 0.00 0.36 23 2.9686 0.00 -0.03 0.00 -0.21 24 2.9687 0.00 -0.20 0.00 -0.30 25 2.9688 0.00 -0.85 0.00 -0.45 26 2.9708 0.00 0.34 0.00 0.24 27 2.9712 0.00 0.66 0.00 0.01 28 2.9764 0.00 -0.82 0.00 -0.05 29 2.9767 0.00 -0.25 0.00 0.59 30 2.9826 0.00 0.91 0.00 0.87 31 2.9827 0.00 0.76 0.00 0.11 32 2.9828 0.00 -0.80 0.00 0.11 33 2.9882 0.00 ( 0.41) 0.00 ( 2.81) 34 2.9882 0.00 0.28 0.00 -1.49 35 2.9980 0.00 -0.27 0.00 0.03 36 2.9981 0.00 -0.62 0.00 0.28 37 2.9982 0.00 -0.67 0.00 0.04 38 4.1040 0.00 0.28 0.00 -0.18 39 4.1041 0.00 0.08 0.00 -0.41 40 4.1043 0.00 0.58 0.00 -0.39 41 5.0866 0.00 -0.39 0.00 -0.37 42 5.0866 0.00 -0.36 0.00 -0.42 43 6.1469 0.00 -0.09 0.00 -0.22 44 6.1470 0.00 -0.08 0.00 -0.40 45 6.1471 0.00 0.22 0.00 0.00 46 6.1495 0.00 -0.18 0.00 -0.01 47 6.1497 0.00 -0.49 0.00 0.03 48 7.0911 0.00 0.27 0.00 0.57 49 7.0912 0.00 0.33 0.00 0.45 50 7.0914 0.00 0.31 0.00 0.65
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.
15788 quality flag:3 Type: 3:2E 3:2E 3:2E axisobj 39.767 39.766 39.767 ecceobj 0.326 0.326 0.326 incobj 1.935 1.935 1.935 qmin 26.404 26.409 26.391 qmax 53.198 53.214 53.096 amean 39.454 39.455 39.455 amin 39.040 39.037 39.025 amax 40.013 40.019 40.008 emean 0.316 0.316 0.316 emin 0.303 0.302 0.303 emax 0.330 0.330 0.330 imean 3.133 3.133 3.132 imin 2.802 2.802 2.796 imax 3.529 3.528 3.529 fracstop 1.000 1.000 1.000 cjmean 2.932 2.932 2.932 libcent 0 179.8 180.3 180.0 libamp 0 55.9 55.7 54.8 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 199.4 199.5 200.6 kozaiamp 180.0 180.0 179.9