Orbit Fit and Astrometric record for 00PU29

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: 00PU29    
# Created Fri Dec 15 02:37:02 2017
# Orbit generated from Bernstein formalism
# Fitting   16 observations of   16
# Arc:   2.07y
# First observation: 1999/07/18
#  Last observation: 2001/08/12
Preliminary a, adot, b, bdot, g, gdot:
   0.000000   0.023923  -0.000000   0.000074   0.024470   0.000000
# Chi-squared of fit:    30.79 DOF:   26 RMS:  0.25
# Min/Max residuals:    -0.53    0.39
# Exact a, adot, b, bdot, g, gdot:
  1.515775E-05  2.393711E-02 -2.270507E-07  7.375422E-05  2.447161E-02 -2.119995E-04
# Covariance matrix:
  4.8404E-13 -8.0334E-13  4.0328E-16 -1.7436E-15 -4.3674E-13 -1.1781E-11
 -8.0334E-13  3.9837E-12 -1.9253E-15  1.1994E-14  3.9058E-12  7.7300E-11
  4.0328E-16 -1.9253E-15  3.5605E-13 -2.3607E-13 -1.5921E-15 -3.9870E-14
 -1.7436E-15  1.1994E-14 -2.3607E-13  2.1122E-13  1.2629E-14  2.4555E-13
 -4.3674E-13  3.9058E-12 -1.5921E-15  1.2629E-14  4.5749E-12  7.9477E-11
 -1.1781E-11  7.7300E-11 -3.9870E-14  2.4555E-13  7.9477E-11  1.5845E-09
#      lat0       lon0       xBary       yBary       zBary        JD0
    0.701982  -57.186611    0.138821    0.012069   -1.004709  2451377.929293
# Heliocentric elements and errors
Epoch:              2451370.5000  =  1999/07/11
Mean Anomaly:          317.62769 +/-     2.805
Argument of Peri:      119.26005 +/-     2.987
Long of Asc Node:      227.48577 +/-     0.086
Inclination:             0.70878 +/-     0.000
Eccentricity:         0.02238900 +/-    0.0012
Semi-Major Axis:     42.56608540 +/-    0.0103
Time of Perihelion: 2463309.6561 +/-     790.3
Perihelion:          41.61307337 +/-    0.0533
Aphelion:            43.51909744 +/-    0.0534
Period (y)              277.7178 +/-      0.10
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           22.57878547 +/-    0.0019
Ecliptic Y          -35.25879631 +/-    0.0030
Ecliptic Z            0.50065884 +/-    0.0001
Ecliptic XDOT         0.00223441 +/-    0.0000
Ecliptic YDOT         0.00147978 +/-    0.0000
Ecliptic ZDOT         0.00000800 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   41.87164828 +/-    0.0027
Geocenter to KBO     40.86368164 +/-    0.0036
# Hcoef:  8.09

The following table shows the complete astrometric record for 00PU29. 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 (00PU29) followed by the observatory code and reference code for the source of the astrometry.

1999 07  18.42855  20 19 42.98   -18 50 49.2   24.0R 00PU29    568  Cd3308      
1999 07  18.45584  20 19 42.84   -18 50 49.7         00PU29    568  Cd3308      
1999 07  18.48271  20 19 42.71   -18 50 50.0         00PU29    568  Cd3308      
2000 08  05.30669  20 23 49.59   -18 36 42.9         00PU29    568  Cb8005      
2000 08  05.35088  20 23 49.36   -18 36 43.5         00PU29    568  Cb8005      
2000 08  05.39945  20 23 49.13   -18 36 44.5         00PU29    568  Cb8005      
2000 08  06.29777  20 23 44.82   -18 36 59.0   23.7R 00PU29    568  Cb8005      
2000 08  06.34372  20 23 44.58   -18 36 59.9   23.6R 00PU29    568  Cb8005      
2000 08  06.38478  20 23 44.38   -18 37 00.8         00PU29    568  Cb8005      
2000 09  24.23730  20 20 42.37   -18 47 43.5   24.5R 00PU29    568  Cc0967      
2000 09  24.28652  20 20 42.27   -18 47 44.0   23.8R 00PU29    568  Cc0967      
2000 09  24.34498  20 20 42.17   -18 47 44.3   24.3R 00PU29    568  Cc0967      
2001 06  26.45863  20 32 33.52   -18 05 56.8         00PU29    568  Cd2824      
2001 06  26.48709  20 32 33.40   -18 05 57.3         00PU29    568  Cd2824      
2001 08  12.34189  20 28 53.68   -18 18 53.7         00PU29    568  Cd2824      
2001 08  12.37315  20 28 53.53   -18 18 54.3         00PU29    568  Cd2824      

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     0.06       0.00     0.06
  2   0.0001     -2.05    -0.01      -0.03     0.01
  3   0.0001     -3.91     0.08       0.09     0.13
  4   1.0510   3604.36    -0.01      15.72    -0.01
  5   1.0511   3601.04    -0.15      15.90     0.18
  6   1.0513   3597.63    -0.07      15.69    -0.03
  7   1.0537   3534.65     0.37      15.89     0.32
  8   1.0538   3531.12     0.14      15.81     0.25
  9   1.0540   3528.14     0.11      15.60     0.04
 10   1.1877    863.35    -0.39     -11.84    -0.40
 11   1.1878    861.85    -0.33     -12.00    -0.53
 12   1.1880    860.40     0.05     -11.97    -0.47
 13   1.9412  11299.35    -0.28      23.78     0.25
 14   1.9413  11297.56    -0.34      23.72     0.17
 15   2.0696   8064.78     0.39      30.06     0.04
 16   2.0697   8062.56     0.37      29.99    -0.03

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.

00PU29    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        42.490    42.521    42.460
ecceobj         0.021     0.025     0.018
incobj          0.709     0.709     0.709
qmin           40.482    40.308    40.624
qmax           44.747    44.932    44.515
amean          42.509    42.537    42.479
amin           42.183    42.222    42.156
amax           42.845    42.877    42.809
emean           0.027     0.031     0.023
emin            0.004     0.007     0.001
emax            0.045     0.048     0.040
imean           2.991     2.977     2.997
imin            1.601     1.591     1.596
imax            3.835     3.821     3.843
excite_mean     0.059     0.060     0.057
fracstop        1.000     1.000     1.000
cjmean          3.079     3.080     3.079

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       188.8     188.6     188.8
kozaiamp        179.9     180.0     179.9