Orbit Fit and Astrometric record for 04TE282

The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory.

# Object: 04TE282   
# Created Fri May  2 02:36:55 2008
# Orbit generated from Bernstein formalism
# Fitting   10 observations of   11
# Arc:   1.85y
# First observation: 2004/10/15
#  Last observation: 2006/08/22
Preliminary a, adot, b, bdot, g, gdot:
  -0.000100   0.033527   0.000049   0.012567   0.031266   0.000000
# Chi-squared of fit:     7.45 DOF:   14 RMS:  0.15
# Min/Max residuals:    -0.39    0.21
# Exact a, adot, b, bdot, g, gdot:
  1.579199E-05  3.382666E-02  5.245545E-06  1.267319E-02  3.188658E-02 -4.748471E-03
# Covariance matrix:
  4.6798E-13  5.4597E-13 -3.0979E-14  3.0271E-13  1.1236E-12  1.3739E-11
  5.4597E-13  5.4837E-12 -2.0181E-13  2.0366E-12  6.0766E-12  9.3637E-11
 -3.0979E-14 -2.0181E-13  2.9446E-13 -2.7422E-13 -2.4311E-13 -3.6385E-12
  3.0271E-13  2.0366E-12 -2.7422E-13  1.0698E-12  2.4195E-12  3.6662E-11
  1.1236E-12  6.0766E-12 -2.4311E-13  2.4195E-12  7.9715E-12  1.1063E-10
  1.3739E-11  9.3637E-11 -3.6385E-12  3.6662E-11  1.1063E-10  1.6846E-09
#      lat0       lon0       xBary       yBary       zBary        JD0
    1.842230   51.424846    0.488435    0.028168   -0.872846  2453293.929253
# Heliocentric elements and errors
Epoch:              2453290.5000  =  2004/10/12
Mean Anomaly:          302.17890 +/-     0.053
Argument of Peri:       79.97838 +/-     0.088
Long of Asc Node:       45.81396 +/-     0.000
Inclination:            20.70323 +/-     0.001
Eccentricity:         0.16001906 +/-    0.0012
Semi-Major Axis:     34.46170198 +/-    0.0196
Time of Perihelion: 2465158.7690 +/-       4.1
Perihelion:          28.94717300 +/-    0.0443
Aphelion:            39.97623097 +/-    0.0470
Period (y)              202.3081 +/-      0.17
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           20.46663081 +/-    0.0017
Ecliptic Y           24.88453625 +/-    0.0022
Ecliptic Z            1.00834779 +/-    0.0001
Ecliptic XDOT        -0.00254798 +/-    0.0000
Ecliptic YDOT         0.00145797 +/-    0.0000
Ecliptic ZDOT         0.00107458 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   32.23569274 +/-    0.0020
Geocenter to KBO     31.36115583 +/-    0.0028
# Hcoef:  7.88

The following table shows the complete astrometric record for 04TE282. 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 (04TE282) followed by the observatory code and reference code for the source of the astrometry.

2004 10  15.42851  03 13 57.10   +19 53 45.3   22.8R 04TE282   695  Cl8661      
2004 10  15.50510  03 13 56.63   +19 53 44.0         04TE282   695  Cl8661      
2004 10  16.48805  03 13 51.00   +19 53 31.2         04TE282   695  Cl8661      
2004 11  09.25460  03 11 20.64   +19 47 07.1   22.8R 04TE282   695  Cl9882      
2004 11  09.34728  03 11 20.02   +19 47 06.0         04TE282   695  Cl9882      
2005 12  02.21336  03 16 02.25   +20 53 23.5   22.5R 04TE282   695  Cs2691      
2005 12  02.26607  03 16 01.90   +20 53 22.6         04TE282   695  Cs2691      
2005 12  02.31891  03 16 01.56   +20 53 21.7         04TE282   695  Cs2691      
2006 08  21.34359  03 31 04.19   +22 15 03.9   22.4R 04TE282   807  Cs2691      
2006 08  22.32785  03 31 04.86   +22 15 19.1         04TE282   807  Cs2691      
2006 08  23.31538  03 31 05.35   +22 15 34.9         04TE282   807  Cs2691      

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     0.20       0.00     0.21
  2   0.0002     -6.74    -0.23       0.49     0.02
  3   0.0029    -86.71    -0.01       9.10    -0.07
  4   0.0680  -2234.14    -0.10     202.53    -0.39
  5   0.0682  -2242.87     0.15     203.82     0.16
  6   1.1301   2636.72     0.07    2991.87    -0.04
  7   1.1303   2631.74    -0.05    2992.28     0.06
  8   1.1304   2626.91    -0.03    2992.65     0.13
  9   1.8478  16077.49    -0.13    4608.14     0.10
 10   1.8505  16090.23     0.14    4620.74    -0.18
 11   1.8532  16100.67 (  -0.11)   4634.53 (   0.67)

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.

04TE282    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj       34.738    34.738    34.738
ecceobj        0.160     0.160     0.160
incobj        20.618    20.618    20.618
qmin          28.434    28.437    28.432
qmax          42.949    42.452    40.660
amean         34.994    34.745    34.314
amin          34.116    34.116    33.281
amax          36.001    35.893    34.858
emean          0.169     0.165     0.157
emin           0.147     0.151     0.132
emax           0.196     0.183     0.172
imean         19.822    19.866    19.940
imin          19.460    19.655    19.658
imax          20.062    20.017    20.254
fracstop       0.027     0.014     0.016
cjmean         2.852     2.852     2.852

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      122.1     102.8     104.1
kozaiamp        38.6      26.1      26.6