Orbit Fit and Astrometric record for 612333

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: 612333    
# Created Sun Apr 28 01:09:13 2024
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     34 observations of     34
# Arc:  21.04y
# First observation: 2002/02/07
#  Last observation: 2023/02/20
# Chi-squared of fit:    94.03 DOF:     62 RMS:  0.29
# Min/Max residuals:    -0.50    0.91
# Exact a, adot, b, bdot, g, gdot:
  1.579922E-05  1.891859E-02 -1.487135E-06  2.097415E-04  2.142541E-02  3.666980E-04
# 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
    1.596793  134.367977   -0.071068    0.027259   -0.980601  2452312.716373
# Heliocentric elements and errors
Epoch:              2452312.5000  =  2002/02/07
Mean Anomaly:          155.31010 +/-     0.000
Argument of Peri:      270.04571 +/-     0.000
Long of Asc Node:       66.50489 +/-     0.000
Inclination:             1.68715 +/-     0.000
Eccentricity:         0.05782281 +/-    0.0000
Semi-Major Axis:     45.25530854 +/-    0.0000
Time of Perihelion: 2404339.1638 +/-       0.0
Perihelion:          42.63851959 +/-    0.0000
Aphelion:            47.87209749 +/-    0.0000
Period (y)              304.4476 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -33.36053148 +/-    0.0000
Ecliptic Y           34.00889937 +/-    0.0000
Ecliptic Z            1.30052339 +/-    0.0000
Ecliptic XDOT        -0.00176892 +/-    0.0000
Ecliptic YDOT        -0.00165822 +/-    0.0000
Ecliptic ZDOT         0.00002831 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   47.65732085 +/-    0.0000
Geocenter to KBO     46.67357533 +/-    0.0000
# Hcoef:  6.87

The following table shows the complete astrometric record for 612333. 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 (612333) followed by the observatory code and reference code for the source of the astrometry.

2002 02  07.21563  09 09 17.06   +18 02 52.5   22.9R 612333    695  Cf0409      
2002 02  08.18356  09 09 12.75   +18 03 10.4         612333    695  Cf0409      
2002 02  08.27432  09 09 12.36   +18 03 12.3         612333    695  Cf0409      
2002 03  08.34630  09 07 16.63   +18 11 19.0   22.9R 612333    568  Cf2752      
2002 03  08.43474  09 07 16.30   +18 11 20.0         612333    568  Cf2752      
2002 03  13.37748  09 06 59.12   +18 12 28.6         612333    696  Cf5586      
2005 02  10.31228  09 22 07.40   +17 07 16.1   23.9g 612333    568  C~0VDX      
2005 02  10.39529  09 22 07.03   +17 07 17.8   24.3g 612333    568  C~0VDX      
2005 02  10.43481  09 22 06.85   +17 07 18.7   24.3g 612333    568  C~0VDX      
2005 02  15.33591  09 21 45.44   +17 08 57.0   23.5g 612333    568  C~0VDX      
2005 03  09.24738  09 20 16.32   +17 15 32.4   23.2R 612333    695  Cn3092      
2005 03  09.33718  09 20 15.98   +17 15 34.3         612333    695  Cn3092      
2005 03  10.24763  09 20 12.67   +17 15 48.4         612333    695  Cn3092      
2005 04  11.14899  09 18 47.55   +17 21 29.0   23.2R 612333    695  Cn3092      
2005 04  12.14827  09 18 46.05   +17 21 34.0         612333    695  Cn3092      
2005 04  12.26135  09 18 45.91   +17 21 35.4   24.7i 612333    568  C~0VDX      
2005 04  12.36980  09 18 45.74   +17 21 36.1   24.0i 612333    568  C~0VDX      
2005 04  13.14863  09 18 44.59   +17 21 38.3         612333    695  Cn3092      
2006 01  11.35083  09 28 33.06   +16 37 26.0   23.3R 612333    250  S~06AT      
2006 01  11.35522  09 28 33.04   +16 37 26.1         612333    250  S~06AT      
2006 01  11.35962  09 28 33.02   +16 37 26.2         612333    250  S~06AT      
2006 01  11.36402  09 28 33.01   +16 37 26.2         612333    250  S~06AT      
2006 02  03.47735  09 26 57.62   +16 45 15.6         612333    568  C~0VDX      
2006 02  06.32831  09 26 45.17   +16 46 15.5   23.1r 612333    568  C~0VDX      
2006 02  06.36908  09 26 44.99   +16 46 16.2   23.3r 612333    568  C~0VDX      
2006 02  06.40731  09 26 44.85   +16 46 17.1   23.8r 612333    568  C~0VDX      
2006 11  23.50414  09 34 33.23   +16 07 33.6         612333    695  C~0VDX      
2006 11  24.50685  09 34 32.97   +16 07 37.1         612333    695  C~0VDX      
2013 03  13.23507  09 54 00.49   +14 33 40.6   23.5R 612333    695  C~0ucs      
2013 03  14.18899  09 53 56.92   +14 33 58.2         612333    695  C~0ucs      
2013 03  14.34016  09 53 56.35   +14 34 01.2         612333    695  C~0ucs      
2023 02  20.287380 10 36 44.141  +10 36 53.00  22.9G 612333    G37  C~6ImY      
2023 02  20.339780 10 36 43.962  +10 36 53.66        612333    G37  C~6ImY      
2023 02  20.392330 10 36 43.718  +10 36 55.49        612333    G37  C~6ImY      

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    -0.28       0.00     0.43
     2   0.0027      0.00    -0.50       0.00    -0.38
     3   0.0029      0.00    -0.22       0.00    -0.24
     4   0.0798      0.00     0.17       0.00     0.18
     5   0.0800      0.00     0.11       0.00    -0.10
     6   0.0935      0.00     0.43       0.00     0.02
     7   3.0092      0.00     0.11       0.00     0.12
     8   3.0094      0.00     0.12       0.00     0.12
     9   3.0095      0.00     0.07       0.00     0.22
    10   3.0229      0.00     0.10       0.00     0.14
    11   3.0829      0.00    -0.05       0.00    -0.38
    12   3.0832      0.00    -0.12       0.00     0.11
    13   3.0856      0.00    -0.05       0.00    -0.07
    14   3.1730      0.00    -0.21       0.00    -0.09
    15   3.1757      0.00    -0.04       0.00    -0.10
    16   3.1760      0.00     0.35       0.00     0.71
    17   3.1763      0.00     0.29       0.00     0.91
    18   3.1785      0.00    -0.42       0.00    -0.45
    19   3.9264      0.00     0.50       0.00    -0.28
    20   3.9265      0.00     0.45       0.00    -0.27
    21   3.9265      0.00     0.40       0.00    -0.25
    22   3.9265      0.00     0.49       0.00    -0.33
    23   3.9898      0.00    -0.36       0.00    -0.37
    24   3.9976      0.00    -0.25       0.00    -0.02
    25   3.9977      0.00    -0.23       0.00    -0.17
    26   3.9978      0.00     0.22       0.00    -0.08
    27   4.7920      0.00    -0.24       0.00     0.25
    28   4.7948      0.00    -0.43       0.00     0.24
    29  11.0938      0.00    -0.06       0.00    -0.00
    30  11.0964      0.00    -0.06       0.00    -0.14
    31  11.0969      0.00    -0.02       0.00     0.07
    32  21.0351      0.00    -0.26       0.00     0.26
    33  21.0352      0.00     0.35       0.00    -0.38
    34  21.0354      0.00    -0.01       0.00     0.16

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.

612333    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.997    44.997    44.997
ecceobj         0.064     0.064     0.064
incobj          1.686     1.686     1.686
qmin           41.460    41.461    41.460
qmax           48.844    48.846    48.843
amean          45.034    45.033    45.034
amin           44.677    44.673    44.677
amax           45.401    45.402    45.398
emean           0.063     0.063     0.063
emin            0.048     0.048     0.048
emax            0.076     0.076     0.076
imean           0.788     0.788     0.788
imin            0.181     0.181     0.181
imax            1.210     1.210     1.210
excite_mean     0.064     0.064     0.064
fracstop        1.000     1.000     1.000
cjmean          3.109     3.109     3.109

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       203.8     203.8     203.7
kozaiamp        180.0     180.0     180.0