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: 03FH129 # Created Tue Dec 31 02:08:24 2024 # Orbit generated by ELGB # -->Covariance matrix from a Bernstein fit # Fitting 17 observations of 17 # Arc: 11.96y # First observation: 2003/03/30 # Last observation: 2015/03/16 # Chi-squared of fit: 95.69 DOF: 28 RMS: 0.42 # Min/Max residuals: -0.76 0.95 # Exact a, adot, b, bdot, g, gdot: 1.961364E-05 3.553296E-02 7.393837E-06 1.194507E-02 3.025063E-02 1.457755E-02 # Covariance matrix: 2.0750E-13 -1.0012E-13 2.2612E-14 -2.7516E-14 -8.6440E-14 -2.2199E-13 -1.0012E-13 1.0246E-13 -2.6123E-14 3.1749E-14 6.7064E-14 2.5626E-13 2.2612E-14 -2.6123E-14 1.4168E-13 -2.6393E-14 -1.7945E-14 -7.0367E-14 -2.7516E-14 3.1749E-14 -2.6393E-14 1.7918E-14 2.2440E-14 8.5521E-14 -8.6440E-14 6.7064E-14 -1.7945E-14 2.2440E-14 5.6269E-13 1.7915E-13 -2.2199E-13 2.5626E-13 -7.0367E-14 8.5521E-14 1.7915E-13 6.9028E-13 # lat0 lon0 xBary yBary zBary JD0 -1.249046 167.367502 -0.373357 -0.020169 -0.924690 2452728.745433 # Heliocentric elements and errors Epoch: 2452728.5000 = 2003/03/30 Mean Anomaly: 12.80331 +/- 0.005 Argument of Peri: 297.03867 +/- 0.006 Long of Asc Node: 171.58847 +/- 0.000 Inclination: 18.67078 +/- 0.000 Eccentricity: 0.61577425 +/- 0.0001 Semi-Major Axis: 72.02346420 +/- 0.0182 Time of Perihelion: 2444788.3393 +/- 4.3 Perihelion: 27.67326947 +/- 0.0091 Aphelion: 116.37365893 +/- 0.0300 Period (y) 611.2505 +/- 0.23 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -33.23555940 +/- 0.0008 Ecliptic Y 7.06949577 +/- 0.0002 Ecliptic Z -0.72032300 +/- 0.0000 Ecliptic XDOT -0.00201979 +/- 0.0000 Ecliptic YDOT -0.00284921 +/- 0.0000 Ecliptic ZDOT 0.00105227 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 33.98648940 +/- 0.0008 Geocenter to KBO 33.05695696 +/- 0.0008 # Hcoef: 8.32
The following table shows the complete astrometric record for 03FH129. 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 (03FH129) followed by the observatory code and reference code for the source of the astrometry.
2003 03 30.24469 11 11 34.23 +03 50 24.4 23.0R 03FH129 695 Ci0218 2003 03 30.34450 11 11 33.74 +03 50 28.5 03FH129 695 Ci0218 2003 04 29.31940 11 09 39.46 +04 06 49.9 23.2R 03FH129 568 Ci0218 2003 04 29.38627 11 09 39.27 +04 06 51.9 03FH129 568 Ci0218 2003 04 30.33441 11 09 36.84 +04 07 16.1 03FH129 568 Ci0218 2004 02 26.38249 11 22 45.99 +03 19 24.2 23.4R 03FH129 695 Ck0870 2004 02 26.46107 11 22 45.58 +03 19 27.4 03FH129 695 Ck0870 2004 02 27.38600 11 22 40.95 +03 20 04.1 03FH129 695 Ck0870 2004 03 15.21538 11 21 14.25 +03 31 15.9 23.2R 03FH129 695 Ck4311 2004 03 15.29458 11 21 13.83 +03 31 19.3 03FH129 695 Ck4311 2005 03 11.30656 11 29 48.88 +03 18 47.3 23.5R 03FH129 695 Cn0206 2005 03 12.26401 11 29 43.99 +03 19 25.4 03FH129 695 Cn0206 2005 03 12.34700 11 29 43.53 +03 19 28.9 03FH129 695 Cn0206 2008 06 06.98241 11 48 14.67 +03 27 18.0 03FH129 807 Cz1374 2008 06 08.02716 11 48 14.80 +03 27 19.3 03FH129 807 Cz1374 2015 03 16.28880 12 39 07.56 +01 50 59.3 24.3R 03FH129 G37 C~1N5n 2015 03 16.36105 12 39 07.25 +01 51 01.8 03FH129 G37 C~1N5n
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 -0.29 0.00 -0.14
2 0.0003 0.00 -0.39 0.00 0.15
3 0.0823 0.00 -0.09 0.00 -0.73
4 0.0825 0.00 -0.18 0.00 -0.46
5 0.0851 0.00 0.39 0.00 -0.45
6 0.9121 0.00 -0.16 0.00 0.25
7 0.9123 0.00 -0.29 0.00 0.39
8 0.9148 0.00 0.08 0.00 0.95
9 0.9609 0.00 -0.15 0.00 0.20
10 0.9611 0.00 -0.22 0.00 0.42
11 1.9495 0.00 0.72 0.00 0.06
12 1.9521 0.00 0.86 0.00 -0.00
13 1.9524 0.00 0.45 0.00 0.19
14 5.1902 0.00 -0.33 0.00 -0.40
15 5.1931 0.00 -0.67 0.00 -0.76
16 11.9618 0.00 0.00 0.00 0.18
17 11.9620 0.00 0.14 0.00 0.14
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.
03FH129 quality flag:3 Type: CENTAURR CENTAURR CENTAURR axisobj 70.775 70.776 70.774 ecceobj 0.610 0.610 0.610 incobj 18.733 18.733 18.733 qmin 27.125 27.125 27.125 qmax 118.096 117.590 119.465 amean 69.870 70.564 72.204 amin 65.098 68.051 69.614 amax 73.372 72.762 74.150 emean 0.593 0.597 0.602 emin 0.551 0.582 0.587 emax 0.617 0.617 0.617 imean 19.870 19.772 20.196 imin 18.051 18.053 18.048 imax 22.029 20.722 20.780 excite_mean 0.683 0.686 0.694 fracstop 0.077 0.066 0.187 cjmean 2.744 2.746 2.736 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 319.5 316.9 267.7 kozaiamp 22.5 18.7 180.0