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 Tue Oct 24 01:37:32 2017
# Orbit generated from Bernstein formalism
# Fitting   17 observations of   17
# Arc:  10.17y
# First observation: 2004/08/19
#  Last observation: 2014/10/22
Preliminary a, adot, b, bdot, g, gdot:
  -0.000187   0.027066  -0.000141   0.012157   0.027267   0.000000
# Chi-squared of fit:    13.02 DOF:   28 RMS:  0.15
# Min/Max residuals:    -0.28    0.40
# Exact a, adot, b, bdot, g, gdot:
  1.627679E-05  2.676469E-02  7.500535E-06  1.198577E-02  2.742741E-02  1.091985E-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:              2453230.5000  =  2004/08/13
Mean Anomaly:            5.73548 +/-     0.039
Argument of Peri:      352.97732 +/-     0.047
Long of Asc Node:      317.86096 +/-     0.000
Inclination:            24.17871 +/-     0.000
Eccentricity:         0.08098504 +/-    0.0001
Semi-Major Axis:     40.73860197 +/-    0.0059
Time of Perihelion: 2451717.3755 +/-      10.4
Perihelion:          37.43938457 +/-    0.0072
Aphelion:            44.03781938 +/-    0.0080
Period (y)              260.0264 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           27.68513253 +/-    0.0007
Ecliptic Y          -25.23318190 +/-    0.0007
Ecliptic Z           -0.06107637 +/-    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   37.45909452 +/-    0.0007
Geocenter to KBO     36.45987266 +/-    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    -0.17       0.00    -0.12
  2   0.0001     -1.74     0.20       0.24    -0.07
  3   0.0002     -4.40     0.06       0.46    -0.07
  4   0.0028    -82.26    -0.28       7.26     0.11
  5   0.1502  -3223.59     0.21     371.37     0.08
  6   0.1504  -3225.44    -0.24     371.74     0.09
  7   0.1506  -3226.68     0.40     372.13    -0.01
  8   1.1246   2536.38    -0.20    2754.42     0.02
  9   1.1248   2534.04    -0.16    2754.74     0.01
 10   1.9167  13434.84     0.04    4736.64    -0.03
 11   1.9168  13432.76    -0.08    4736.90     0.03
 12   1.9169  13431.10     0.23    4737.03    -0.05
 13  10.1022  53510.91     0.02   25418.43    -0.06
 14  10.1024  53506.47     0.07   25418.36    -0.06
 15  10.1025  53501.84    -0.28   25418.24    -0.11
 16  10.1731  52044.01     0.13   25338.08    -0.06
 17  10.1734  52039.58     0.06   25338.01     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        40.968    40.986    40.951
ecceobj         0.086     0.086     0.086
incobj         24.110    24.110    24.110
qmin           36.600    36.588    36.584
qmax           45.498    45.579    45.493
amean          40.941    40.958    40.925
amin           40.622    40.636    40.599
amax           41.283    41.299    41.274
emean           0.090     0.090     0.089
emin            0.076     0.077     0.076
emax            0.103     0.104     0.103
imean          25.313    25.312    25.312
imin           24.848    24.849    24.847
imax           25.767    25.768    25.756
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       175.2     175.0     175.4
kozaiamp        180.0     180.0     180.0