Orbit Fit and Astrometric record for 04QE29

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: 04QE29    
# Created Sat Oct 20 01:08:23 2018
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   17 observations of   17
# Arc:  10.17y
# First observation: 2004/08/19
#  Last observation: 2014/10/22
# Chi-squared of fit:    13.61 DOF:   28 RMS:  0.16
# Min/Max residuals:    -0.25    0.43
# Exact a, adot, b, bdot, g, gdot:
  1.625112E-05  2.676468E-02  7.500218E-06  1.198577E-02  2.742744E-02  1.091940E-04
# Covariance matrix:
  2.6372E-13 -1.8787E-13  4.6843E-14 -8.6022E-14  1.6990E-13 -6.7750E-13
 -1.8787E-13  2.8333E-13 -7.4416E-14  1.3675E-13 -1.3981E-13  1.0714E-12
  4.6843E-14 -7.4416E-14  1.6315E-13 -5.2565E-14  4.2917E-14 -2.8702E-13
 -8.6022E-14  1.3675E-13 -5.2565E-14  7.1689E-14 -7.8513E-14  5.2739E-13
  1.6990E-13 -1.3981E-13  4.2917E-14 -7.8513E-14  5.5248E-13 -6.3551E-13
 -6.7750E-13  1.0714E-12 -2.8702E-13  5.2739E-13 -6.3551E-13  4.1361E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
   -0.096459  -42.596422   -0.164259   -0.001628   -1.002756  2453236.856773
# Heliocentric elements and errors
Epoch:              2453236.5000  =  2004/08/19
Mean Anomaly:            5.75832 +/-     0.039
Argument of Peri:      352.97724 +/-     0.047
Long of Asc Node:      317.86096 +/-     0.000
Inclination:            24.17872 +/-     0.000
Eccentricity:         0.08098236 +/-    0.0001
Semi-Major Axis:     40.73844909 +/-    0.0059
Time of Perihelion: 2451717.3585 +/-      10.4
Perihelion:          37.43935340 +/-    0.0072
Aphelion:            44.03754479 +/-    0.0080
Period (y)              260.0249 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           27.68510882 +/-    0.0007
Ecliptic Y          -25.23316138 +/-    0.0007
Ecliptic Z           -0.06107633 +/-    0.0000
Ecliptic XDOT         0.00181590 +/-    0.0000
Ecliptic YDOT         0.00195099 +/-    0.0000
Ecliptic ZDOT         0.00119653 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   37.45905774 +/-    0.0007
Geocenter to KBO     36.45987310 +/-    0.0010
# Hcoef:  7.79

The following table shows the complete astrometric record for 04QE29. 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 (04QE29) followed by the observatory code and reference code for the source of the astrometry.

2004 08  19.35603  21 19 31.38   -15 42 36.7   23.0g 04QE29    568  C~0VDs      
2004 08  19.38221  21 19 31.26   -15 42 37.0   23.1g 04QE29    568  C~0VDs      
2004 08  19.41320  21 19 31.08   -15 42 37.6   23.0g 04QE29    568  C~0VDs      
2004 08  20.38844  21 19 25.80   -15 42 54.8   23.2g 04QE29    568  C~0VDs      
2004 10  13.23431  21 15 50.72   -15 52 56.5   23.0i 04QE29    568  C~0VDs      
2004 10  13.28465  21 15 50.59   -15 52 56.7   23.7i 04QE29    568  C~0VDs      
2004 10  13.35303  21 15 50.50   -15 52 56.7   23.7i 04QE29    568  C~0VDs      
2005 10  04.13265  21 21 20.18   -14 46 00.0   23. R 04QE29    675  C~0VDs      
2005 10  04.18762  21 21 20.02   -14 46 00.4         04QE29    675  C~0VDs      
2006 07  20.44113  21 32 27.98   -13 18 09.1   23.5r 04QE29    568  C~0VDs      
2006 07  20.46751  21 32 27.84   -13 18 09.5   23.4r 04QE29    568  C~0VDs      
2006 07  20.49397  21 32 27.73   -13 18 09.9   23.4r 04QE29    568  C~0VDs      
2014 09  26.17793  22 06 10.14   -04 30 33.4   22.7R 04QE29    695  C~1LJL      
2014 09  26.23944  22 06 09.88   -04 30 34.8         04QE29    695  C~1LJL      
2014 09  26.29814  22 06 09.61   -04 30 36.3         04QE29    695  C~1LJL      
2014 10  22.08864  22 04 45.39   -04 39 07.6   22.7R 04QE29    G37  C~1BxG      
2014 10  22.19695  22 04 45.13   -04 39 09.0         04QE29    G37  C~1BxG      

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    -0.07       0.00    -0.15
  2   0.0001      0.00     0.29       0.00     0.01
  3   0.0002      0.00     0.15       0.00    -0.04
  4   0.0028      0.00    -0.25       0.00     0.04
  5   0.1502      0.00     0.22       0.00     0.14
  6   0.1504      0.00    -0.24       0.00     0.02
  7   0.1506      0.00     0.43       0.00     0.12
  8   1.1246      0.00    -0.16       0.00    -0.04
  9   1.1248      0.00    -0.12       0.00    -0.03
 10   1.9167      0.00     0.10       0.00    -0.01
 11   1.9168      0.00    -0.03       0.00     0.02
 12   1.9169      0.00     0.30       0.00     0.04
 13  10.1022      0.00     0.09       0.00    -0.03
 14  10.1024      0.00     0.14       0.00    -0.01
 15  10.1025      0.00    -0.16       0.00    -0.16
 16  10.1731      0.00     0.17       0.00    -0.00
 17  10.1734      0.00    -0.01       0.00     0.29

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.

04QE29    quality flag:3

Type:       SCATEXTD  SCATEXTD  SCATEXTD

axisobj        40.967    40.967    40.967
ecceobj         0.086     0.086     0.086
incobj         24.110    24.110    24.110
qmin           36.566    36.567    36.565
qmax           45.546    45.552    45.541
amean          40.941    40.940    40.941
amin           40.618    40.618    40.619
amax           41.292    41.294    41.291
emean           0.090     0.090     0.090
emin            0.076     0.076     0.076
emax            0.104     0.104     0.104
imean          25.313    25.313    25.313
imin           24.846    24.847    24.846
imax           25.771    25.771    25.771
excite_mean     0.437     0.437     0.437
fracstop        1.000     1.000     1.000
cjmean          2.835     2.835     2.835

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       175.0     175.0     175.0
kozaiamp        180.0     179.9     179.9