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: 612214
# Created Wed Dec 25 02:07:39 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting 24 observations of 24
# Arc: 18.12y
# First observation: 2001/03/25
# Last observation: 2019/05/07
# Chi-squared of fit: 51.72 DOF: 42 RMS: 0.26
# Min/Max residuals: -0.54 0.57
# Exact a, adot, b, bdot, g, gdot:
1.724729E-05 2.340705E-02 2.120499E-06 -6.549166E-04 2.398907E-02 1.380128E-03
# 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
3.213208 -153.080292 0.373280 0.051940 -0.928222 2451993.872403
# Heliocentric elements and errors
Epoch: 2451994.5000 = 2001/03/26
Mean Anomaly: 59.42798 +/- 0.000
Argument of Peri: 51.13110 +/- 0.000
Long of Asc Node: 89.75583 +/- 0.000
Inclination: 3.51665 +/- 0.000
Eccentricity: 0.05920647 +/- 0.0000
Semi-Major Axis: 43.81007347 +/- 0.0000
Time of Perihelion: 2434510.2145 +/- 0.0
Perihelion: 41.21623375 +/- 0.0000
Aphelion: 46.40391319 +/- 0.0000
Period (y) 289.9808 +/- 0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -38.10389577 +/- 0.0000
Ecliptic Y -18.92665111 +/- 0.0000
Ecliptic Z 2.33666880 +/- 0.0000
Ecliptic XDOT 0.00105716 +/- 0.0000
Ecliptic YDOT -0.00245216 +/- 0.0000
Ecliptic ZDOT -0.00006561 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 42.60964853 +/- 0.0000
Geocenter to KBO 41.68563834 +/- 0.0000
# Hcoef: 6.81
The following table shows the complete astrometric record for 612214. 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 (612214) followed by the observatory code and reference code for the source of the astrometry.
2001 03 25.37166 13 44 35.22 -07 22 33.7 23.9R 612214 695 Cd7682 2001 03 25.49896 13 44 34.71 -07 22 30.4 612214 695 Cd7682 2001 05 22.07268 13 40 29.55 -06 59 56.2 22.7R 612214 807 Cd7682 2001 05 22.16937 13 40 29.21 -06 59 54.7 612214 807 Cd7682 2001 06 08.99832 13 39 34.85 -06 55 49.5 23.1R 612214 304 Cd7682 2001 06 09.04743 13 39 34.73 -06 55 49.0 612214 304 Cd7682 2002 04 06.18022 13 48 45.88 -07 48 26.7 21.7R 612214 807 Cf4616 2002 04 06.31475 13 48 45.30 -07 48 23.4 612214 807 Cf4616 2002 04 07.24030 13 48 41.24 -07 47 59.9 612214 807 Cf4616 2003 04 29.42859 13 52 03.00 -08 09 29.4 22.7R 612214 568 Ch9859 2003 04 30.48165 13 51 58.29 -08 09 04.4 612214 568 Ch9859 2003 04 30.50899 13 51 58.15 -08 09 03.8 612214 568 Ch9859 2013 03 12.41169 14 45 14.89 -13 11 45.9 22.4R 612214 695 C~0ucq 2013 03 12.49357 14 45 14.68 -13 11 45.0 612214 695 C~0ucq 2013 03 13.42963 14 45 12.32 -13 11 31.7 22.6R 612214 695 C~0ucq 2013 03 13.45461 14 45 12.25 -13 11 31.4 612214 695 C~0ucq 2013 03 13.50669 14 45 12.11 -13 11 30.7 612214 695 C~0ucq 2013 03 14.50075 14 45 09.52 -13 11 16.2 612214 695 C~0ucq 2015 05 20.00313 14 50 43.75 -13 42 42.2 612214 W84 C~1TiY 2015 05 21.00979 14 50 39.27 -13 42 23.9 23.8V 612214 W84 C~1TiY 2015 05 24.00186 14 50 26.06 -13 41 29.9 612214 W84 C~1TiY 2019 05 06.331700 15 12 02.65 -15 27 13.7 22.8G 612214 705 C~39nO 2019 05 07.310130 15 11 58.10 -15 26 56.1 22.7G 612214 705 C~39nO 2019 05 07.405220 15 11 57.65 -15 26 54.7 23.2G 612214 705 C~39nO
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 -0.54 0.00 -0.36
2 0.0003 0.00 -0.29 0.00 -0.22
3 0.1580 0.00 0.12 0.00 0.05
4 0.1582 0.00 0.31 0.00 -0.13
5 0.2071 0.00 -0.35 0.00 -0.43
6 0.2072 0.00 -0.27 0.00 -0.42
7 1.0316 0.00 0.29 0.00 0.14
8 1.0320 0.00 0.57 0.00 0.03
9 1.0345 0.00 0.48 0.00 0.06
10 2.0946 0.00 0.18 0.00 0.33
11 2.0975 0.00 -0.13 0.00 0.48
12 2.0976 0.00 -0.38 0.00 0.43
13 11.9645 0.00 -0.01 0.00 0.28
14 11.9647 0.00 -0.00 0.00 0.03
15 11.9673 0.00 0.06 0.00 0.04
16 11.9674 0.00 0.00 0.00 -0.02
17 11.9675 0.00 -0.03 0.00 -0.07
18 11.9702 0.00 0.02 0.00 0.01
19 14.1509 0.00 0.09 0.00 0.25
20 14.1537 0.00 0.24 0.00 0.04
21 14.1619 0.00 -0.02 0.00 0.03
22 18.1135 0.00 -0.07 0.00 0.09
23 18.1162 0.00 -0.11 0.00 -0.17
24 18.1165 0.00 -0.12 0.00 -0.52
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.
612214 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 43.705 43.705 43.705 ecceobj 0.057 0.057 0.057 incobj 3.516 3.516 3.516 qmin 40.422 40.394 40.431 qmax 47.870 47.861 47.874 amean 44.024 44.024 44.024 amin 43.668 43.667 43.665 amax 44.391 44.390 44.386 emean 0.062 0.062 0.062 emin 0.045 0.045 0.045 emax 0.079 0.078 0.079 imean 1.878 1.878 1.878 imin 1.115 1.115 1.115 imax 2.515 2.514 2.515 excite_mean 0.071 0.071 0.071 fracstop 1.000 1.000 1.000 cjmean 3.096 3.096 3.096 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 177.8 177.8 177.9 kozaiamp 180.0 180.0 180.0