Orbit Fit and Astrometric record for 00PA30

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: 00PA30    
# Created Tue Oct 24 01:37:07 2017
# Orbit generated from Bernstein formalism
# Fitting   18 observations of   18
# Arc:  15.13y
# First observation: 1999/07/19
#  Last observation: 2014/09/03
Preliminary a, adot, b, bdot, g, gdot:
   0.000103   0.023321  -0.000000   0.000169   0.024019   0.000000
# Chi-squared of fit:    20.18 DOF:   30 RMS:  0.19
# Min/Max residuals:    -0.43    0.44
# Exact a, adot, b, bdot, g, gdot:
  1.594710E-05  2.339415E-02 -1.957973E-07  1.694950E-04  2.367702E-02  2.786271E-03
# Covariance matrix:
  3.6094E-13 -2.5114E-13  1.8401E-15 -1.7920E-15 -6.6789E-14 -6.6133E-13
 -2.5114E-13  3.4657E-13 -2.5949E-15  2.5152E-15  4.3231E-13  9.3089E-13
  1.8401E-15 -2.5949E-15  1.2632E-13 -1.0326E-14 -3.1716E-15 -7.0215E-15
 -1.7920E-15  2.5152E-15 -1.0326E-14  2.3867E-15  3.0444E-15  6.8072E-15
 -6.6789E-14  4.3231E-13 -3.1716E-15  3.0444E-15  1.3829E-12  1.1335E-12
 -6.6133E-13  9.3089E-13 -7.0215E-15  6.8072E-15  1.1335E-12  2.5191E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
   -0.067404  -43.729079    0.351553   -0.001354   -0.951230  2451379.016383
# Heliocentric elements and errors
Epoch:              2451370.5000  =  1999/07/11
Mean Anomaly:           45.15195 +/-     0.037
Argument of Peri:      293.25028 +/-     0.050
Long of Asc Node:      324.85399 +/-     0.002
Inclination:             0.41940 +/-     0.000
Eccentricity:         0.13680466 +/-    0.0001
Semi-Major Axis:     47.23293239 +/-    0.0088
Time of Perihelion: 2436499.5138 +/-      11.3
Perihelion:          40.77124712 +/-    0.0086
Aphelion:            53.69461766 +/-    0.0108
Period (y)              324.6202 +/-      0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           30.97242740 +/-    0.0015
Ecliptic Y          -30.10455552 +/-    0.0014
Ecliptic Z           -0.04967750 +/-    0.0000
Ecliptic XDOT         0.00209933 +/-    0.0000
Ecliptic YDOT         0.00174057 +/-    0.0000
Ecliptic ZDOT         0.00001926 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   43.19233717 +/-    0.0015
Geocenter to KBO     42.23504807 +/-    0.0021
# Hcoef:  7.91

The following table shows the complete astrometric record for 00PA30. 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 (00PA30) followed by the observatory code and reference code for the source of the astrometry.

1999 07  19.51564  21 14 59.75   -16 01 26.9         00PA30    568  Ce8867      
1999 07  19.54983  21 14 59.58   -16 01 27.8   24.1R 00PA30    568  Ce8867      
1999 07  19.59107  21 14 59.43   -16 01 28.2   23.9R 00PA30    568  Ce8867      
2000 08  05.45662  21 18 58.67   -15 42 39.5         00PA30    568  Cb8005      
2000 08  05.49787  21 18 58.48   -15 42 40.4   23.5R 00PA30    568  Cb8005      
2000 08  05.53971  21 18 58.30   -15 42 41.2         00PA30    568  Cb8005      
2000 08  06.44478  21 18 54.16   -15 43 00.3   24.2R 00PA30    568  Cb8005      
2000 08  06.48713  21 18 53.96   -15 43 01.3   23.9R 00PA30    568  Cb8005      
2000 08  06.52918  21 18 53.76   -15 43 02.0   23.7R 00PA30    568  Cb8005      
2001 07  25.51460  21 25 03.43   -15 13 42.6   23.9R 00PA30    568  Ce0222      
2001 07  25.54833  21 25 03.27   -15 13 43.0   24.3R 00PA30    568  Ce0222      
2001 07  25.58570  21 25 03.11   -15 13 43.9   23.9R 00PA30    568  Ce0222      
2001 09  19.27762  21 21 05.86   -15 32 09.0   23.9R 00PA30    675  Ce0222      
2001 09  19.31108  21 21 05.75   -15 32 09.3         00PA30    675  Ce0222      
2014 07  29.36881  22 28 43.78   -09 27 52.1   23.6R 00PA30    G37  C~16Zx      
2014 07  29.41685  22 28 43.61   -09 27 53.2         00PA30    G37  C~16Zx      
2014 09  03.20482  22 26 17.72   -09 41 56.8   24.2R 00PA30    G37  C~18cE      
2014 09  03.29260  22 26 17.36   -09 41 59.2         00PA30    G37  C~18cE      

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     0.06
  2   0.0001     -2.61    -0.43      -0.13    -0.08
  3   0.0002     -4.79     0.10       0.14     0.16
  4   1.0484   3627.10    -0.01      36.23    -0.13
  5   1.0485   3624.21     0.01      36.21    -0.18
  6   1.0487   3621.49     0.24      36.23    -0.18
  7   1.0511   3558.72     0.23      36.18    -0.27
  8   1.0513   3555.66     0.17      36.10    -0.37
  9   1.0514   3552.70     0.17      36.31    -0.18
 10   2.0178   9184.52    -0.05      70.57     0.12
 11   2.0179   9182.19    -0.11      70.90     0.44
 12   2.0180   9179.71    -0.09      70.77     0.28
 13   2.1705   5570.19    -0.14      76.76     0.12
 14   2.1706   5568.58    -0.01      76.96     0.30
 15  15.0277  71521.83     0.02     524.39    -0.00
 16  15.0278  71518.75     0.08     524.28    -0.14
 17  15.1258  68933.31    -0.14     527.69     0.20
 18  15.1260  68926.83     0.04     527.38    -0.14

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.

00PA30    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        47.139    47.164    47.113
ecceobj         0.136     0.136     0.135
incobj          0.421     0.421     0.421
qmin           40.045    40.100    40.069
qmax           54.497    54.532    54.476
amean          47.095    47.121    47.069
amin           46.695    46.709    46.671
amax           47.558    47.587    47.532
emean           0.132     0.132     0.132
emin            0.118     0.118     0.119
emax            0.146     0.146     0.146
imean           2.062     2.059     2.064
imin            1.629     1.631     1.629
imax            2.476     2.470     2.482
excite_mean     0.137     0.137     0.137
fracstop        1.000     1.000     1.000
cjmean          3.117     3.117     3.116

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       186.8     187.4     186.3
kozaiamp        179.9     180.0     179.9