Orbit Fit and Astrometric record for 11UY411

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: 11UY411   
# Created Tue Dec 12 02:37:46 2017
# Orbit generated from Bernstein formalism
# Fitting   25 observations of   25
# Arc:   1.44y
# First observation: 2011/08/29
#  Last observation: 2013/02/06
Preliminary a, adot, b, bdot, g, gdot:
  -0.000125   0.022796   0.000003   0.000093   0.023385   0.000000
# Chi-squared of fit:     7.71 DOF:   44 RMS:  0.10
# Min/Max residuals:    -0.24    0.29
# Exact a, adot, b, bdot, g, gdot:
  1.647668E-05  2.268032E-02  3.490141E-07  9.271032E-05  2.345600E-02 -9.187564E-04
# Covariance matrix:
  3.4040E-13  8.5330E-14 -2.3189E-15  2.2393E-15  3.9814E-13  1.8996E-11
  8.5330E-14  3.8968E-13 -2.1521E-15  2.0083E-15  3.7684E-13  1.8507E-11
 -2.3189E-15 -2.1521E-15  1.2663E-13 -1.1630E-13 -4.2384E-15 -1.7271E-13
  2.2393E-15  2.0083E-15 -1.1630E-13  1.9901E-13  3.9308E-15  9.9051E-14
  3.9814E-13  3.7684E-13 -4.2384E-15  3.9308E-15  7.4470E-13  3.6752E-11
  1.8996E-11  1.8507E-11 -1.7271E-13  9.9051E-14  3.6752E-11  2.2633E-09
#      lat0       lon0       xBary       yBary       zBary        JD0
    1.912577   32.403852    0.843362    0.018329   -0.549883  2455802.990676
# Heliocentric elements and errors
Epoch:              2455800.5000  =  2011/08/27
Mean Anomaly:          299.70285 +/-     0.516
Argument of Peri:      149.02903 +/-     0.734
Long of Asc Node:      309.45273 +/-     0.034
Inclination:             1.90709 +/-     0.000
Eccentricity:         0.06667795 +/-    0.0020
Semi-Major Axis:     44.50892914 +/-    0.0128
Time of Perihelion: 2473966.6725 +/-     155.4
Perihelion:          41.54116479 +/-    0.0887
Aphelion:            47.47669350 +/-    0.0890
Period (y)              296.9470 +/-      0.13
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           36.89445337 +/-    0.0013
Ecliptic Y           22.41769739 +/-    0.0008
Ecliptic Z            1.42289929 +/-    0.0001
Ecliptic XDOT        -0.00151260 +/-    0.0000
Ecliptic YDOT         0.00218288 +/-    0.0000
Ecliptic ZDOT         0.00000730 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   43.19465809 +/-    0.0012
Geocenter to KBO     42.63302352 +/-    0.0016
# Hcoef:  7.87

The following table shows the complete astrometric record for 11UY411. 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 (11UY411) followed by the observatory code and reference code for the source of the astrometry.

2011 08  29.48991  01 58 08.672  +14 06 10.43  24.2r 11UY411   568  C~1C6P      
2011 08  29.54186  01 58 08.564  +14 06 10.11  24.1r 11UY411   568  C~1C6P      
2011 08  29.58893  01 58 08.462  +14 06 09.66  24.5r 11UY411   568  C~1C6P      
2011 09  05.52844  01 57 51.348  +14 04 54.37  23.9r 11UY411   568  C~1C6P      
2011 10  24.40763  01 54 38.202  +13 48 33.17  23.9r 11UY411   568  C~1C6P      
2011 10  24.45036  01 54 38.006  +13 48 32.10  23.8r 11UY411   568  C~1C6P      
2011 10  24.49308  01 54 37.807  +13 48 31.03  24.1r 11UY411   568  C~1C6P      
2011 10  28.30461  01 54 20.280  +13 46 55.58  24.2r 11UY411   568  C~1C6P      
2011 10  28.48438  01 54 19.436  +13 46 51.03  24.1r 11UY411   568  C~1C6P      
2011 10  30.52869  01 54 10.066  +13 45 59.73        11UY411   568  C~1C6P      
2011 10  31.51164  01 54 05.579  +13 45 35.13  23.9r 11UY411   568  C~1C6P      
2011 11  24.27924  01 52 24.308  +13 36 00.95  24.3r 11UY411   568  C~1C6P      
2011 11  30.32546  01 52 02.304  +13 33 50.65  24.2r 11UY411   568  C~1C6P      
2012 01  26.25696  01 50 52.021  +13 25 00.16  24.0r 11UY411   568  C~1C6P      
2012 01  27.33441  01 50 53.489  +13 25 05.17  23.8r 11UY411   568  C~1C6P      
2012 08  23.55059  02 03 21.381  +14 34 01.06        11UY411   568  C~1C6P      
2012 08  23.55926  02 03 21.383  +14 34 01.07  24.4r 11UY411   568  C~1C6P      
2012 08  24.58191  02 03 19.601  +14 33 54.38  24.1r 11UY411   568  C~1C6P      
2012 10  17.41240  02 00 12.033  +14 18 49.74  23.9r 11UY411   568  C~1C6P      
2012 10  20.50922  01 59 57.778  +14 17 34.78        11UY411   568  C~1C6P      
2013 01  14.33106  01 55 40.772  +13 52 10.92  24.1r 11UY411   568  C~1C6P      
2013 01  14.36729  01 55 40.769  +13 52 10.87  24.2r 11UY411   568  C~1C6P      
2013 02  02.24616  01 56 00.287  +13 53 02.15  23.9r 11UY411   568  C~1C6P      
2013 02  03.25183  01 56 02.242  +13 53 09.87  24.1r 11UY411   568  C~1C6P      
2013 02  06.29444  01 56 08.712  +13 53 36.42  24.2r 11UY411   568  C~1C6P      

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    -0.24       0.00    -0.06
  2   0.0001     -1.58    -0.05       0.24     0.04
  3   0.0003     -3.13     0.03       0.34    -0.00
  4   0.0193   -262.78     0.21      15.96     0.07
  5   0.1531  -3240.54    -0.13      75.10     0.02
  6   0.1532  -3243.59    -0.06      75.10    -0.01
  7   0.1533  -3246.68    -0.05      75.11    -0.02
  8   0.1638  -3519.33     0.08      75.03    -0.06
  9   0.1643  -3532.44     0.02      75.07    -0.08
 10   0.1699  -3678.32     0.18      74.81    -0.06
 11   0.1725  -3748.19     0.29      74.66     0.01
 12   0.2376  -5332.56    -0.08      55.22     0.01
 13   0.2542  -5678.97     0.04      46.22    -0.04
 14   0.4100  -6826.43    -0.21     -88.55     0.03
 15   0.4130  -6804.59    -0.07     -91.43     0.04
 16   0.9858   4842.80    -0.21       7.15     0.13
 17   0.9858   4842.83     0.05       7.15     0.10
 18   0.9886   4816.21     0.01       9.68     0.12
 19   1.1360   1945.72     0.12      93.32     0.08
 20   1.1445   1725.36    -0.01      94.29    -0.05
 21   1.3794  -2310.40     0.04     -39.12    -0.06
 22   1.3795  -2310.45    -0.04     -39.15     0.01
 23   1.4312  -2026.15    -0.02     -90.16    -0.05
 24   1.4340  -1996.77    -0.03     -92.84    -0.08
 25   1.4423  -1899.20     0.09    -100.77    -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.

11UY411    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.603    44.636    44.572
ecceobj         0.067     0.072     0.062
incobj          1.907     1.907     1.907
qmin           40.360    40.170    40.569
qmax           48.456    48.722    48.149
amean          44.275    44.306    44.245
amin           43.926    43.961    43.898
amax           44.660    44.690    44.618
emean           0.069     0.075     0.064
emin            0.054     0.059     0.048
emax            0.085     0.090     0.080
imean           3.379     3.369     3.388
imin            2.659     2.641     2.676
imax            3.995     3.996     3.991
excite_mean     0.091     0.095     0.087
fracstop        1.000     1.000     1.000
cjmean          3.095     3.094     3.095

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       180.6     180.7     180.8
kozaiamp        180.0     180.0     179.9