Orbit Fit and Astrometric record for 05JZ174

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: 05JZ174   
# Created Mon Oct 23 01:37:36 2017
# Orbit generated from Bernstein formalism
# Fitting   19 observations of   20
# Arc:  10.85y
# First observation: 2005/05/09
#  Last observation: 2016/03/13
Preliminary a, adot, b, bdot, g, gdot:
  -0.000330   0.023972   0.000074  -0.002379   0.024416   0.000000
# Chi-squared of fit:    51.31 DOF:   32 RMS:  0.29
# Min/Max residuals:    -0.74    0.58
# Exact a, adot, b, bdot, g, gdot:
  1.324011E-05  2.305232E-02  8.119482E-07 -2.290886E-03  2.406912E-02 -1.885705E-03
# Covariance matrix:
  1.8986E-13 -8.9692E-14  1.5155E-15  4.9125E-15  1.9137E-13 -2.0209E-13
 -8.9692E-14  1.5172E-13  6.0423E-15 -1.3177E-14 -1.5111E-14  5.0820E-13
  1.5155E-15  6.0423E-15  1.0156E-13 -1.3341E-14  1.7435E-14  2.7911E-14
  4.9125E-15 -1.3177E-14 -1.3341E-14  8.0626E-15 -6.6356E-15 -4.9181E-14
  1.9137E-13 -1.5111E-14  1.7435E-14 -6.6356E-15  7.0179E-13  2.0773E-13
 -2.0209E-13  5.0820E-13  2.7911E-14 -4.9181E-14  2.0773E-13  1.8789E-12
#      lat0       lon0       xBary       yBary       zBary        JD0
    3.220198 -150.059331   -0.324452    0.053624   -0.951092  2453499.689023
# Heliocentric elements and errors
Epoch:              2453490.5000  =  2005/04/30
Mean Anomaly:          280.95413 +/-     0.071
Argument of Peri:      238.28865 +/-     0.087
Long of Asc Node:       59.23502 +/-     0.001
Inclination:             6.50044 +/-     0.000
Eccentricity:         0.07266717 +/-    0.0001
Semi-Major Axis:     42.87513020 +/-    0.0062
Time of Perihelion: 2476006.0885 +/-      19.8
Perihelion:          39.75951582 +/-    0.0063
Aphelion:            45.99074459 +/-    0.0071
Period (y)              280.7478 +/-      0.06
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X          -36.61295879 +/-    0.0013
Ecliptic Y          -21.46118219 +/-    0.0007
Ecliptic Z            2.33387189 +/-    0.0001
Ecliptic XDOT         0.00148229 +/-    0.0000
Ecliptic YDOT        -0.00217972 +/-    0.0000
Ecliptic ZDOT        -0.00027217 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   42.50338869 +/-    0.0011
Geocenter to KBO     41.54700457 +/-    0.0014
# Hcoef:  6.56

The following table shows the complete astrometric record for 05JZ174. 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 (05JZ174) followed by the observatory code and reference code for the source of the astrometry.

2005 05  09.18828  13 55 59.58   -08 26 04.5   21.7R 05JZ174   807  Cn5431      
2005 05  10.18264  13 55 55.28   -08 25 43.3         05JZ174   807  Cn5431      
2005 05  10.26760  13 55 54.91   -08 25 41.4         05JZ174   807  Cn5431      
2005 06  07.15986  13 54 11.92   -08 18 05.5   22.3R 05JZ174   304  Cn6562      
2005 06  07.22569  13 54 11.82   -08 18 04.3         05JZ174   304  Cn6562      
2005 06  09.16951  13 54 06.19   -08 17 42.8   22.4R 05JZ174   304  Cn7092      
2005 06  09.21029  13 54 06.10   -08 17 43.0         05JZ174   304  Cn7092      
2005 07  09.05780  13 53 16.58   -08 15 58.3   22.9R 05JZ174   304  Cn8899      
2005 07  09.11072  13 53 16.61   -08 15 58.4         05JZ174   304  Cn8899      
2005 08  07.99400  13 53 42.49   -08 21 22.9   22.4R 05JZ174   807  Co4001      
2005 08  09.00194  13 53 44.70   -08 21 41.0         05JZ174   807  Co4001      
2005 08  09.99463  13 53 46.95   -08 21 59.3         05JZ174   807  Co4001      
2006 04  22.25951  14 02 08.42   -09 07 30.9   22.3R 05JZ174   304  Cr3594      
2006 04  22.31207  14 02 08.18   -09 07 30.2         05JZ174   304  Cr3594      
2006 04  26.28712  14 01 49.92   -09 05 56.9   21.9R 05JZ174   807  Cr3594      
2006 04  28.08336  14 01 41.69   -09 05 15.6         05JZ174   807  Cr3594      
2008 06  06.22232  14 08 46.37   -10 02 31.6   24.0R 05JZ174   688  Cz1384      
2008 06  06.28484  14 08 46.18   -10 02 30.3         05JZ174   688  Cz1384      
2016 03  13.41075  14 55 04.60   -14 57 22.2   22.8R 05JZ174   G37  C~1pPl      
2016 03  13.50132  14 55 04.37   -14 57 21.1         05JZ174   G37  C~1pPl      

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     0.39       0.00    -0.48
  2   0.0027    -67.19     0.07      -2.36    -0.07
  3   0.0030    -73.00     0.03      -2.50     0.06
  4   0.0793  -1664.46     0.05    -108.71    -0.39
  5   0.0795  -1666.27 (   1.23)   -108.11 (   0.53)
  6   0.0848  -1752.08    -0.10    -117.17     0.58
  7   0.0849  -1753.26     0.48    -117.83     0.13
  8   0.1667  -2478.58    -0.74    -276.90    -0.61
  9   0.1668  -2478.13     0.01    -276.84    -0.24
 10   0.2486  -2004.68     0.05    -446.40     0.20
 11   0.2514  -1967.62     0.07    -451.89     0.26
 12   0.2541  -1929.93    -0.03    -457.35     0.23
 13   0.9530   5992.27    -0.43    -437.50     0.37
 14   0.9531   5988.68    -0.17    -438.07    -0.11
 15   0.9640   5702.43     0.06    -443.71     0.37
 16   0.9689   5573.67     0.09    -446.98     0.21
 17   3.0774  12666.90     0.04   -1525.50    -0.58
 18   3.0776  12663.80     0.12   -1525.23    -0.03
 19  10.8452  58342.45    -0.02   -5364.16     0.00
 20  10.8455  58338.66     0.02   -5364.09     0.08

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.

05JZ174    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        42.362    42.380    42.344
ecceobj         0.074     0.074     0.074
incobj          6.526     6.526     6.526
qmin           38.816    38.877    38.781
qmax           46.796    46.776    46.767
amean          42.670    42.691    42.651
amin           42.335    42.358    42.300
amax           43.036    43.057    43.018
emean           0.065     0.066     0.065
emin            0.038     0.041     0.039
emax            0.088     0.087     0.088
imean           4.217     4.249     4.211
imin            3.033     2.996     3.037
imax            5.606     5.606     5.606
excite_mean     0.099     0.100     0.099
fracstop        1.000     1.000     1.000
cjmean          3.074     3.074     3.074

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       179.4     180.6     179.4
kozaiamp        180.0     179.9     179.9