Orbit Fit and Astrometric record for 02FX36

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: 02FX36    
# Created Sun Dec  5 02:09:15 2021
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting     30 observations of     30
# Arc:  18.93y
# First observation: 2002/03/12
#  Last observation: 2021/02/15
# Chi-squared of fit:   125.66 DOF:     54 RMS:  0.36
# Min/Max residuals:    -0.90    0.75
# Exact a, adot, b, bdot, g, gdot:
  1.583048E-05  2.041960E-02  7.204057E-07 -3.250023E-04  2.235847E-02  5.965658E-04
# Covariance matrix:
  1.3752E-13 -5.0369E-14 -1.0062E-15  6.2816E-16  1.4189E-13 -1.0104E-13
 -5.0369E-14  3.3803E-14  7.0984E-16 -4.6571E-16 -8.5269E-14  7.5349E-14
 -1.0062E-15  7.0984E-16  7.3914E-14 -5.5527E-15 -2.2305E-15  1.6017E-15
  6.2816E-16 -4.6571E-16 -5.5527E-15  1.2039E-15  1.0684E-15 -1.0916E-15
  1.4189E-13 -8.5269E-14 -2.2305E-15  1.0684E-15  5.2773E-13 -1.6556E-13
 -1.0104E-13  7.5349E-14  1.6017E-15 -1.0916E-15 -1.6556E-13  1.7738E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
   -0.691330  157.353763   -0.247258   -0.011696   -0.962519  2452345.727009
# Heliocentric elements and errors
Epoch:              2452346.5000  =  2002/03/13
Mean Anomaly:          126.73986 +/-     0.121
Argument of Peri:       85.94097 +/-     0.108
Long of Asc Node:      300.73349 +/-     0.003
Inclination:             1.12628 +/-     0.000
Eccentricity:         0.04800356 +/-    0.0001
Semi-Major Axis:     44.35381394 +/-    0.0060
Time of Perihelion: 2414362.0699 +/-      37.0
Perihelion:          42.22467306 +/-    0.0063
Aphelion:            46.48295481 +/-    0.0068
Period (y)              295.3960 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -42.25731893 +/-    0.0013
Ecliptic Y           17.36730400 +/-    0.0006
Ecliptic Z           -0.53960087 +/-    0.0000
Ecliptic XDOT        -0.00103817 +/-    0.0000
Ecliptic YDOT        -0.00228077 +/-    0.0000
Ecliptic ZDOT        -0.00004046 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   45.69018729 +/-    0.0013
Geocenter to KBO     44.72580161 +/-    0.0015
# Hcoef:  6.29

The following table shows the complete astrometric record for 02FX36. 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 (02FX36) followed by the observatory code and reference code for the source of the astrometry.

2002 03  12.226266 10 35 10.73   +08 10 05.4   22.2V 02FX36    645  C~2Jx6      
2002 03  12.227095 10 35 10.72   +08 10 05.5   22.4V 02FX36    645  C~2Jx6      
2002 03  12.229583 10 35 10.72   +08 10 05.5   23.8V 02FX36    645  C~2Jx6      
2002 03  18.19732  10 34 46.49   +08 12 30.1   22.0R 02FX36    695  Cf5084      
2002 03  18.25623  10 34 46.26   +08 12 31.4         02FX36    695  Cf5084      
2002 04  06.02623  10 33 38.59   +08 19 17.6   23.2R 02FX36    807  Cf5084      
2002 04  06.11448  10 33 38.33   +08 19 19.2         02FX36    807  Cf5084      
2002 04  10.20473  10 33 25.87   +08 20 34.5   22.5R 02FX36    695  Cg5851      
2002 04  10.27963  10 33 25.66   +08 20 35.6         02FX36    695  Cg5851      
2002 04  10.31652  10 33 25.55   +08 20 36.7   23.3R 02FX36    568  Cf5084      
2002 04  11.28752  10 33 22.73   +08 20 53.6         02FX36    568  Cf5084      
2003 03  07.27441  10 39 54.43   +07 40 43.4   22.0R 02FX36    662  Ci0083      
2003 03  07.39037  10 39 53.95   +07 40 46.6         02FX36    662  Ci0083      
2003 04  30.30615  10 37 00.37   +07 58 22.7   22.4R 02FX36    568  Ci0083      
2003 04  30.39224  10 37 00.20   +07 58 23.7         02FX36    568  Ci0083      
2003 05  01.27069  10 36 58.81   +07 58 32.6         02FX36    568  Ci0083      
2004 03  21.27189  10 43 15.22   +07 19 28.0   22.0R 02FX36    662  Ck2152      
2004 03  21.37558  10 43 14.79   +07 19 30.8         02FX36    662  Ck2152      
2006 01  28.40967  10 55 25.22   +06 03 13.3   22.2R 02FX36    250  S~06AT      
2006 01  28.41407  10 55 25.20   +06 03 13.4         02FX36    250  S~06AT      
2006 01  28.41847  10 55 25.19   +06 03 13.5         02FX36    250  S~06AT      
2006 01  28.42286  10 55 25.17   +06 03 13.6         02FX36    250  S~06AU      
2007 02  15.38550  10 58 36.56   +05 42 12.0   23.4R 02FX36    688  Cu2312      
2007 02  15.46020  10 58 36.33   +05 42 13.9         02FX36    688  Cu2312      
2015 02  18.28699  11 32 20.71   +02 00 18.5   22.9R 02FX36    695  C~1M63      
2015 02  18.37924  11 32 20.36   +02 00 20.5         02FX36    695  C~1M63      
2015 02  18.46958  11 32 19.99   +02 00 22.8         02FX36    695  C~1M63      
2021 02  15.368320 11 57 39.068  -00 48 48.46  22.8G 02FX36    G37  C~4YpY      
2021 02  15.452230 11 57 38.778  -00 48 46.54        02FX36    G37  C~4YpY      
2021 02  15.518180 11 57 38.536  -00 48 45.06        02FX36    G37  C~4YpY      

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    -0.34       0.00    -0.08
     2   0.0000      0.00    -0.44       0.00     0.00
     3   0.0000      0.00    -0.28       0.00    -0.06
     4   0.0163      0.00     0.11       0.00     0.21
     5   0.0165      0.00     0.24       0.00     0.11
     6   0.0679      0.00     0.17       0.00     0.19
     7   0.0681      0.00     0.54       0.00     0.11
     8   0.0793      0.00     0.06       0.00     0.29
     9   0.0795      0.00     0.26       0.00     0.07
    10   0.0796      0.00     0.14       0.00     0.47
    11   0.0823      0.00    -0.20       0.00     0.36
    12   0.9858      0.00    -0.49       0.00    -0.10
    13   0.9861      0.00    -0.21       0.00     0.16
    14   1.1337      0.00     0.23       0.00    -0.52
    15   1.1339      0.00    -0.11       0.00    -0.41
    16   1.1363      0.00     0.06       0.00    -0.54
    17   2.0261      0.00     0.31       0.00     0.42
    18   2.0264      0.00     0.04       0.00     0.75
    19   3.8828      0.00     0.27       0.00    -0.73
    20   3.8828      0.00     0.20       0.00    -0.71
    21   3.8828      0.00     0.27       0.00    -0.70
    22   3.8828      0.00     0.19       0.00    -0.69
    23   4.9313      0.00    -0.90       0.00     0.64
    24   4.9315      0.00     0.21       0.00     0.73
    25  12.9392      0.00     0.10       0.00     0.23
    26  12.9395      0.00     0.14       0.00     0.06
    27  12.9397      0.00    -0.21       0.00     0.24
    28  18.9326      0.00     0.12       0.00    -0.18
    29  18.9329      0.00     0.09       0.00    -0.02
    30  18.9330      0.00    -0.14       0.00     0.08

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.

02FX36    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.057    44.057    44.056
ecceobj         0.053     0.053     0.053
incobj          1.131     1.131     1.131
qmin           41.021    41.019    41.026
qmax           47.592    47.597    47.585
amean          44.208    44.208    44.208
amin           43.863    43.862    43.866
amax           44.577    44.578    44.576
emean           0.053     0.053     0.053
emin            0.037     0.037     0.037
emax            0.068     0.068     0.068
imean           2.782     2.782     2.782
imin            2.089     2.089     2.090
imax            3.374     3.374     3.374
excite_mean     0.072     0.072     0.072
fracstop        1.000     1.000     1.000
cjmean          3.098     3.098     3.098

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       183.6     183.7     183.7
kozaiamp        180.0     180.0     180.0